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a4faf00d99
7995 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Alexander Shishkin
|
a4faf00d99 |
perf/aux: Allow using AUX data in perf samples
AUX data can be used to annotate perf events such as performance counters or tracepoints/breakpoints by including it in sample records when PERF_SAMPLE_AUX flag is set. Such samples would be instrumental in debugging and profiling by providing, for example, a history of instruction flow leading up to the event's overflow. The implementation makes use of grouping an AUX event with all the events that wish to take samples of the AUX data, such that the former is the group leader. The samplees should also specify the desired size of the AUX sample via attr.aux_sample_size. AUX capable PMUs need to explicitly add support for sampling, because it relies on a new callback to take a snapshot of the buffer without touching the event states. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc: adrian.hunter@intel.com Cc: mathieu.poirier@linaro.org Link: https://lkml.kernel.org/r/20191025140835.53665-2-alexander.shishkin@linux.intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Linus Torvalds
|
0058b0a506 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
1) BPF sample build fixes from Björn Töpel
2) Fix powerpc bpf tail call implementation, from Eric Dumazet.
3) DCCP leaks jiffies on the wire, fix also from Eric Dumazet.
4) Fix crash in ebtables when using dnat target, from Florian Westphal.
5) Fix port disable handling whne removing bcm_sf2 driver, from Florian
Fainelli.
6) Fix kTLS sk_msg trim on fallback to copy mode, from Jakub Kicinski.
7) Various KCSAN fixes all over the networking, from Eric Dumazet.
8) Memory leaks in mlx5 driver, from Alex Vesker.
9) SMC interface refcounting fix, from Ursula Braun.
10) TSO descriptor handling fixes in stmmac driver, from Jose Abreu.
11) Add a TX lock to synchonize the kTLS TX path properly with crypto
operations. From Jakub Kicinski.
12) Sock refcount during shutdown fix in vsock/virtio code, from Stefano
Garzarella.
13) Infinite loop in Intel ice driver, from Colin Ian King.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
ixgbe: need_wakeup flag might not be set for Tx
i40e: need_wakeup flag might not be set for Tx
igb/igc: use ktime accessors for skb->tstamp
i40e: Fix for ethtool -m issue on X722 NIC
iavf: initialize ITRN registers with correct values
ice: fix potential infinite loop because loop counter being too small
qede: fix NULL pointer deref in __qede_remove()
net: fix data-race in neigh_event_send()
vsock/virtio: fix sock refcnt holding during the shutdown
net: ethernet: octeon_mgmt: Account for second possible VLAN header
mac80211: fix station inactive_time shortly after boot
net/fq_impl: Switch to kvmalloc() for memory allocation
mac80211: fix ieee80211_txq_setup_flows() failure path
ipv4: Fix table id reference in fib_sync_down_addr
ipv6: fixes rt6_probe() and fib6_nh->last_probe init
net: hns: Fix the stray netpoll locks causing deadlock in NAPI path
net: usb: qmi_wwan: add support for DW5821e with eSIM support
CDC-NCM: handle incomplete transfer of MTU
nfc: netlink: fix double device reference drop
NFC: st21nfca: fix double free
...
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Linus Torvalds
|
5cb8418cb5 |
for-linus-2019-11-08
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Charles Machalow
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0d6eeb1fd6 |
nvme: change nvme_passthru_cmd64 to explicitly mark rsvd
Changing nvme_passthru_cmd64 to add a field: rsvd2. This field is an explicit
marker for the padding space added on certain platforms as a result of the
enlargement of the result field from 32 bit to 64 bits in size, and
fixes differences in struct size when using compat ioctl for 32-bit
binaries on 64-bit architecture.
Fixes:
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Linus Torvalds
|
26bc672134 |
for-linus-2019-11-05
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Merge tag 'for-linus-2019-11-05' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull clone3 stack argument update from Christian Brauner:
"This changes clone3() to do basic stack validation and to set up the
stack depending on whether or not it is growing up or down.
With clone3() the expectation is now very simply that the .stack
argument points to the lowest address of the stack and that
.stack_size specifies the initial stack size. This is diferent from
legacy clone() where the "stack" argument had to point to the lowest
or highest address of the stack depending on the architecture.
clone3() was released with 5.3. Currently, it is not documented and
very unclear to userspace how the stack and stack_size argument have
to be passed. After talking to glibc folks we concluded that changing
clone3() to determine stack direction and doing basic validation is
the right course of action.
Note, this is a potentially user visible change. In the very unlikely
case, that it breaks someone's use-case we will revert. (And then e.g.
place the new behavior under an appropriate flag.)
Note that passing an empty stack will continue working just as before.
Breaking someone's use-case is very unlikely. Neither glibc nor musl
currently expose a wrapper for clone3(). There is currently also no
real motivation for anyone to use clone3() directly. First, because
using clone{3}() with stacks requires some assembly (see glibc and
musl). Second, because it does not provide features that legacy
clone() doesn't. New features for clone3() will first happen in v5.5
which is why v5.4 is still a good time to try and make that change now
and backport it to v5.3.
I did a codesearch on https://codesearch.debian.net, github, and
gitlab and could not find any software currently relying directly on
clone3(). I expect this to change once we land CLONE_CLEAR_SIGHAND
which was a request coming from glibc at which point they'll likely
start using it"
* tag 'for-linus-2019-11-05' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
clone3: validate stack arguments
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Christian Brauner
|
fa729c4df5
|
clone3: validate stack arguments
Validate the stack arguments and setup the stack depening on whether or not
it is growing down or up.
Legacy clone() required userspace to know in which direction the stack is
growing and pass down the stack pointer appropriately. To make things more
confusing microblaze uses a variant of the clone() syscall selected by
CONFIG_CLONE_BACKWARDS3 that takes an additional stack_size argument.
IA64 has a separate clone2() syscall which also takes an additional
stack_size argument. Finally, parisc has a stack that is growing upwards.
Userspace therefore has a lot nasty code like the following:
#define __STACK_SIZE (8 * 1024 * 1024)
pid_t sys_clone(int (*fn)(void *), void *arg, int flags, int *pidfd)
{
pid_t ret;
void *stack;
stack = malloc(__STACK_SIZE);
if (!stack)
return -ENOMEM;
#ifdef __ia64__
ret = __clone2(fn, stack, __STACK_SIZE, flags | SIGCHLD, arg, pidfd);
#elif defined(__parisc__) /* stack grows up */
ret = clone(fn, stack, flags | SIGCHLD, arg, pidfd);
#else
ret = clone(fn, stack + __STACK_SIZE, flags | SIGCHLD, arg, pidfd);
#endif
return ret;
}
or even crazier variants such as [3].
With clone3() we have the ability to validate the stack. We can check that
when stack_size is passed, the stack pointer is valid and the other way
around. We can also check that the memory area userspace gave us is fine to
use via access_ok(). Furthermore, we probably should not require
userspace to know in which direction the stack is growing. It is easy
for us to do this in the kernel and I couldn't find the original
reasoning behind exposing this detail to userspace.
/* Intentional user visible API change */
clone3() was released with 5.3. Currently, it is not documented and very
unclear to userspace how the stack and stack_size argument have to be
passed. After talking to glibc folks we concluded that trying to change
clone3() to setup the stack instead of requiring userspace to do this is
the right course of action.
Note, that this is an explicit change in user visible behavior we introduce
with this patch. If it breaks someone's use-case we will revert! (And then
e.g. place the new behavior under an appropriate flag.)
Breaking someone's use-case is very unlikely though. First, neither glibc
nor musl currently expose a wrapper for clone3(). Second, there is no real
motivation for anyone to use clone3() directly since it does not provide
features that legacy clone doesn't. New features for clone3() will first
happen in v5.5 which is why v5.4 is still a good time to try and make that
change now and backport it to v5.3. Searches on [4] did not reveal any
packages calling clone3().
[1]: https://lore.kernel.org/r/CAG48ez3q=BeNcuVTKBN79kJui4vC6nw0Bfq6xc-i0neheT17TA@mail.gmail.com
[2]: https://lore.kernel.org/r/20191028172143.4vnnjpdljfnexaq5@wittgenstein
[3]:
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Yegor Yefremov
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3926a3a025 |
can: don't use deprecated license identifiers
The "GPL-2.0" license identifier changed to "GPL-2.0-only" in SPDX v3.0. Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
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Linus Torvalds
|
23fdb198ae |
fuse fixes for 5.4-rc6
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCXbgx9wAKCRDh3BK/laaZ PIjMAQCTrWPf6pLHSoq+Pll7b8swu1m2mW97fj5k8coED1/DSQEA4222PkIdMmhu qyHnoX0fTtYXg6NnHbDVWsNL4uG8YAM= =RE9K -----END PGP SIGNATURE----- Merge tag 'fuse-fixes-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse fixes from Miklos Szeredi: "Mostly virtiofs fixes, but also fixes a regression and couple of longstanding data/metadata writeback ordering issues" * tag 'fuse-fixes-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: redundant get_fuse_inode() calls in fuse_writepages_fill() fuse: Add changelog entries for protocols 7.1 - 7.8 fuse: truncate pending writes on O_TRUNC fuse: flush dirty data/metadata before non-truncate setattr virtiofs: Remove set but not used variable 'fc' virtiofs: Retry request submission from worker context virtiofs: Count pending forgets as in_flight forgets virtiofs: Set FR_SENT flag only after request has been sent virtiofs: No need to check fpq->connected state virtiofs: Do not end request in submission context fuse: don't advise readdirplus for negative lookup fuse: don't dereference req->args on finished request virtio-fs: don't show mount options virtio-fs: Change module name to virtiofs.ko |
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Alan Somers
|
9de55a37fc |
fuse: Add changelog entries for protocols 7.1 - 7.8
Retroactively add changelog entry for FUSE protocols 7.1 through 7.8. Signed-off-by: Alan Somers <asomers@FreeBSD.org> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> |
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Linus Torvalds
|
82c87e7d40 |
TTY/Serial driver fixes for 5.4-rc3
Here are some small tty and serial driver fixes for 5.4-rc3 that resolve a number of reported issues and regressions. None of these are huge, full details are in the shortlog. THere's also a MAINTAINERS update that I think you might have already taken in your tree already, but git should handle that merge easily. All have been in linux-next with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXaH51A8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykeBQCeMWoqZHpHTXiadziVgtHrjnj5lL8An2Y+3/Wh ZbNxvHnUK/VUJQJ2Szsm =e84r -----END PGP SIGNATURE----- Merge tag 'tty-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver fixes from Greg KH: "Here are some small tty and serial driver fixes for 5.4-rc3 that resolve a number of reported issues and regressions. None of these are huge, full details are in the shortlog. There's also a MAINTAINERS update that I think you might have already taken in your tree already, but git should handle that merge easily. All have been in linux-next with no reported issues" * tag 'tty-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: MAINTAINERS: kgdb: Add myself as a reviewer for kgdb/kdb tty: serial: imx: Use platform_get_irq_optional() for optional IRQs serial: fix kernel-doc warning in comments serial: 8250_omap: Fix gpio check for auto RTS/CTS serial: mctrl_gpio: Check for NULL pointer tty: serial: fsl_lpuart: Fix lpuart_flush_buffer() tty: serial: Fix PORT_LINFLEXUART definition tty: n_hdlc: fix build on SPARC serial: uartps: Fix uartps_major handling serial: uartlite: fix exit path null pointer tty: serial: linflexuart: Fix magic SysRq handling serial: sh-sci: Use platform_get_irq_optional() for optional interrupts dt-bindings: serial: sh-sci: Document r8a774b1 bindings serial/sifive: select SERIAL_EARLYCON tty: serial: rda: Fix the link time qualifier of 'rda_uart_exit()' tty: serial: owl: Fix the link time qualifier of 'owl_uart_exit()' |
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Linus Torvalds
|
e524d16e7e |
copy-struct-from-user-v5.4-rc2
-----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCXZZIgQAKCRCRxhvAZXjc orNOAP98B2nmoxvq8d5Z6PhoyTBC5NIUuJ5h2YMwcX/hAaj5uQEA58NTKtPmOPDR 2ffUFFerGZ2+brlHgACa0ZKdH27TjAA= =QryD -----END PGP SIGNATURE----- Merge tag 'copy-struct-from-user-v5.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux Pull copy_struct_from_user() helper from Christian Brauner: "This contains the copy_struct_from_user() helper which got split out from the openat2() patchset. It is a generic interface designed to copy a struct from userspace. The helper will be especially useful for structs versioned by size of which we have quite a few. This allows for backwards compatibility, i.e. an extended struct can be passed to an older kernel, or a legacy struct can be passed to a newer kernel. For the first case (extended struct, older kernel) the new fields in an extended struct can be set to zero and the struct safely passed to an older kernel. The most obvious benefit is that this helper lets us get rid of duplicate code present in at least sched_setattr(), perf_event_open(), and clone3(). More importantly it will also help to ensure that users implementing versioning-by-size end up with the same core semantics. This point is especially crucial since we have at least one case where versioning-by-size is used but with slighly different semantics: sched_setattr(), perf_event_open(), and clone3() all do do similar checks to copy_struct_from_user() while rt_sigprocmask(2) always rejects differently-sized struct arguments. With this pull request we also switch over sched_setattr(), perf_event_open(), and clone3() to use the new helper" * tag 'copy-struct-from-user-v5.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux: usercopy: Add parentheses around assignment in test_copy_struct_from_user perf_event_open: switch to copy_struct_from_user() sched_setattr: switch to copy_struct_from_user() clone3: switch to copy_struct_from_user() lib: introduce copy_struct_from_user() helper |
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Linus Torvalds
|
af0622f6ae |
for-linus-20191003
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Merge tag 'for-linus-20191003' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull clone3/pidfd fixes from Christian Brauner:
"This contains a couple of fixes:
- Fix pidfd selftest compilation (Shuah Kahn)
Due to a false linking instruction in the Makefile compilation for
the pidfd selftests would fail on some systems.
- Fix compilation for glibc on RISC-V systems (Seth Forshee)
In some scenarios linux/uapi/linux/sched.h is included where
__ASSEMBLY__ is defined causing a build failure because struct
clone_args was not guarded by an #ifndef __ASSEMBLY__.
- Add missing clone3() and struct clone_args kernel-doc (Christian Brauner)
clone3() and struct clone_args were missing kernel-docs. (The goal
is to use kernel-doc for any function or type where it's worth it.)
For struct clone_args this also contains a comment about the fact
that it's versioned by size"
* tag 'for-linus-20191003' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
sched: add kernel-doc for struct clone_args
fork: add kernel-doc for clone3
selftests: pidfd: Fix undefined reference to pthread_create()
sched: Add __ASSEMBLY__ guards around struct clone_args
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Linus Torvalds
|
768b47b7a9 |
drm fixes for 5.4-rc2
core:
- writeback fixes
i915:
- Fix DP-MST crtc_mask
- Fix dsc dpp calculations
- Fix g4x sprite scaling stride check with GTT remapping
- Fix concurrence on cases where requests where getting retired at same time as resubmitted to HW
- Fix gen9 display resolutions by setting the right max plane width
- Fix GPU hang on preemption
- Mark contents as dirty on a write fault. This was breaking cursor sprite with dumb buffers.
komeda:
- memory leak fix
tilcdc:
- include fix
amdgpu:
- Enable bulk moves
- Power metrics fixes for Navi
- Fix S4 regression
- Add query for tcc disabled mask
- Fix several leaks in error paths
- randconfig fixes
- clang fixes
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Merge tag 'drm-fixes-2019-10-04' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Been offline for 3 days, got back and had some fixes queued up.
Nothing too major, the i915 dp-mst fix is important, and amdgpu has a
bulk move speedup fix and some regressions, but nothing too insane for
an rc2 pull. The intel fixes are also 2 weeks worth, they missed the
boat last week.
core:
- writeback fixes
i915:
- Fix DP-MST crtc_mask
- Fix dsc dpp calculations
- Fix g4x sprite scaling stride check with GTT remapping
- Fix concurrence on cases where requests where getting retired at
same time as resubmitted to HW
- Fix gen9 display resolutions by setting the right max plane width
- Fix GPU hang on preemption
- Mark contents as dirty on a write fault. This was breaking cursor
sprite with dumb buffers.
komeda:
- memory leak fix
tilcdc:
- include fix
amdgpu:
- Enable bulk moves
- Power metrics fixes for Navi
- Fix S4 regression
- Add query for tcc disabled mask
- Fix several leaks in error paths
- randconfig fixes
- clang fixes"
* tag 'drm-fixes-2019-10-04' of git://anongit.freedesktop.org/drm/drm: (21 commits)
Revert "drm/i915: Fix DP-MST crtc_mask"
drm/omap: fix max fclk divider for omap36xx
drm/i915: Fix g4x sprite scaling stride check with GTT remapping
drm/i915/dp: Fix dsc bpp calculations, v5.
drm/amd/display: fix dcn21 Makefile for clang
drm/amd/display: hide an unused variable
drm/amdgpu: display_mode_vba_21: remove uint typedef
drm/amdgpu: hide another #warning
drm/amdgpu: make pmu support optional, again
drm/amd/display: memory leak
drm/amdgpu: fix multiple memory leaks in acp_hw_init
drm/amdgpu: return tcc_disabled_mask to userspace
drm/amdgpu: don't increment vram lost if we are in hibernation
Revert "drm/amdgpu: disable stutter mode for renoir"
drm/amd/powerplay: add sensor lock support for smu
drm/amd/powerplay: change metrics update period from 1ms to 100ms
drm/amdgpu: revert "disable bulk moves for now"
drm/tilcdc: include linux/pinctrl/consumer.h again
drm/komeda: prevent memory leak in komeda_wb_connector_add
drm: Clear the fence pointer when writeback job signaled
...
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|
Linus Torvalds
|
c4bd70e8c9 |
for-linus-2019-10-03
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Merge tag 'for-linus-2019-10-03' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Mandate timespec64 for the io_uring timeout ABI (Arnd)
- Set of NVMe changes via Sagi:
- controller removal race fix from Balbir
- quirk additions from Gabriel and Jian-Hong
- nvme-pci power state save fix from Mario
- Add 64bit user commands (for 64bit registers) from Marta
- nvme-rdma/nvme-tcp fixes from Max, Mark and Me
- Minor cleanups and nits from James, Dan and John
- Two s390 dasd fixes (Jan, Stefan)
- Have loop change block size in DIO mode (Martijn)
- paride pg header ifdef guard (Masahiro)
- Two blk-mq queue scheduler tweaks, fixing an ordering issue on zoned
devices and suboptimal performance on others (Ming)
* tag 'for-linus-2019-10-03' of git://git.kernel.dk/linux-block: (22 commits)
block: sed-opal: fix sparse warning: convert __be64 data
block: sed-opal: fix sparse warning: obsolete array init.
block: pg: add header include guard
Revert "s390/dasd: Add discard support for ESE volumes"
s390/dasd: Fix error handling during online processing
io_uring: use __kernel_timespec in timeout ABI
loop: change queue block size to match when using DIO
blk-mq: apply normal plugging for HDD
blk-mq: honor IO scheduler for multiqueue devices
nvme-rdma: fix possible use-after-free in connect timeout
nvme: Move ctrl sqsize to generic space
nvme: Add ctrl attributes for queue_count and sqsize
nvme: allow 64-bit results in passthru commands
nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T
nvmet-tcp: remove superflous check on request sgl
Added QUIRKs for ADATA XPG SX8200 Pro 512GB
nvme-rdma: Fix max_hw_sectors calculation
nvme: fix an error code in nvme_init_subsystem()
nvme-pci: Save PCI state before putting drive into deepest state
nvme-tcp: fix wrong stop condition in io_work
...
|
||
|
Stefan-gabriel Mirea
|
47934ef7f1 |
tty: serial: Fix PORT_LINFLEXUART definition
The port type macros should have different values for different devices.
Currently, PORT_LINFLEXUART conflicts with PORT_SUNIX.
Fixes:
|
||
|
Christian Brauner
|
78f6face5a
|
sched: add kernel-doc for struct clone_args
Add kernel-doc for struct clone_args for the clone3() syscall. Link: https://lore.kernel.org/r/20191001114701.24661-3-christian.brauner@ubuntu.com Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> |
||
|
Masahiro Yamada
|
3a4b46c3bc |
block: pg: add header include guard
Add a header include guard just in case. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Marek Olšák
|
815fb4c9d7 |
drm/amdgpu: return tcc_disabled_mask to userspace
UMDs need this for correct programming of harvested chips. Signed-off-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
||
|
Aleksa Sarai
|
f14c234b4b |
clone3: switch to copy_struct_from_user()
Switch clone3() syscall from it's own copying struct clone_args from userspace to the new dedicated copy_struct_from_user() helper. The change is very straightforward, and helps unify the syscall interface for struct-from-userspace syscalls. Additionally, explicitly define CLONE_ARGS_SIZE_VER0 to match the other users of the struct-extension pattern. Signed-off-by: Aleksa Sarai <cyphar@cyphar.com> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com> [christian.brauner@ubuntu.com: improve commit message] Link: https://lore.kernel.org/r/20191001011055.19283-3-cyphar@cyphar.com Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com> |
||
|
Seth Forshee
|
61129dd29f
|
sched: Add __ASSEMBLY__ guards around struct clone_args
The addition of struct clone_args to uapi/linux/sched.h is not protected
by __ASSEMBLY__ guards, causing a failure to build from source for glibc
on RISC-V. Add the guards to fix this.
Fixes:
|
||
|
Linus Torvalds
|
02dc96ef6c |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
1) Sanity check URB networking device parameters to avoid divide by
zero, from Oliver Neukum.
2) Disable global multicast filter in NCSI, otherwise LLDP and IPV6
don't work properly. Longer term this needs a better fix tho. From
Vijay Khemka.
3) Small fixes to selftests (use ping when ping6 is not present, etc.)
from David Ahern.
4) Bring back rt_uses_gateway member of struct rtable, it's semantics
were not well understood and trying to remove it broke things. From
David Ahern.
5) Move usbnet snaity checking, ignore endpoints with invalid
wMaxPacketSize. From Bjørn Mork.
6) Missing Kconfig deps for sja1105 driver, from Mao Wenan.
7) Various small fixes to the mlx5 DR steering code, from Alaa Hleihel,
Alex Vesker, and Yevgeny Kliteynik
8) Missing CAP_NET_RAW checks in various places, from Ori Nimron.
9) Fix crash when removing sch_cbs entry while offloading is enabled,
from Vinicius Costa Gomes.
10) Signedness bug fixes, generally in looking at the result given by
of_get_phy_mode() and friends. From Dan Crapenter.
11) Disable preemption around BPF_PROG_RUN() calls, from Eric Dumazet.
12) Don't create VRF ipv6 rules if ipv6 is disabled, from David Ahern.
13) Fix quantization code in tcp_bbr, from Kevin Yang.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (127 commits)
net: tap: clean up an indentation issue
nfp: abm: fix memory leak in nfp_abm_u32_knode_replace
tcp: better handle TCP_USER_TIMEOUT in SYN_SENT state
sk_buff: drop all skb extensions on free and skb scrubbing
tcp_bbr: fix quantization code to not raise cwnd if not probing bandwidth
mlxsw: spectrum_flower: Fail in case user specifies multiple mirror actions
Documentation: Clarify trap's description
mlxsw: spectrum: Clear VLAN filters during port initialization
net: ena: clean up indentation issue
NFC: st95hf: clean up indentation issue
net: phy: micrel: add Asym Pause workaround for KSZ9021
net: socionext: ave: Avoid using netdev_err() before calling register_netdev()
ptp: correctly disable flags on old ioctls
lib: dimlib: fix help text typos
net: dsa: microchip: Always set regmap stride to 1
nfp: flower: fix memory leak in nfp_flower_spawn_vnic_reprs
nfp: flower: prevent memory leak in nfp_flower_spawn_phy_reprs
net/sched: Set default of CONFIG_NET_TC_SKB_EXT to N
vrf: Do not attempt to create IPv6 mcast rule if IPv6 is disabled
net: sched: sch_sfb: don't call qdisc_put() while holding tree lock
...
|
||
|
Linus Torvalds
|
298fb76a55 |
Highlights:
- add a new knfsd file cache, so that we don't have to open and
close on each (NFSv2/v3) READ or WRITE. This can speed up
read and write in some cases. It also replaces our readahead
cache.
- Prevent silent data loss on write errors, by treating write
errors like server reboots for the purposes of write caching,
thus forcing clients to resend their writes.
- Tweak the code that allocates sessions to be more forgiving,
so that NFSv4.1 mounts are less likely to hang when a server
already has a lot of clients.
- Eliminate an arbitrary limit on NFSv4 ACL sizes; they should
now be limited only by the backend filesystem and the
maximum RPC size.
- Allow the server to enforce use of the correct kerberos
credentials when a client reclaims state after a reboot.
And some miscellaneous smaller bugfixes and cleanup.
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Merge tag 'nfsd-5.4' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"Highlights:
- Add a new knfsd file cache, so that we don't have to open and close
on each (NFSv2/v3) READ or WRITE. This can speed up read and write
in some cases. It also replaces our readahead cache.
- Prevent silent data loss on write errors, by treating write errors
like server reboots for the purposes of write caching, thus forcing
clients to resend their writes.
- Tweak the code that allocates sessions to be more forgiving, so
that NFSv4.1 mounts are less likely to hang when a server already
has a lot of clients.
- Eliminate an arbitrary limit on NFSv4 ACL sizes; they should now be
limited only by the backend filesystem and the maximum RPC size.
- Allow the server to enforce use of the correct kerberos credentials
when a client reclaims state after a reboot.
And some miscellaneous smaller bugfixes and cleanup"
* tag 'nfsd-5.4' of git://linux-nfs.org/~bfields/linux: (34 commits)
sunrpc: clean up indentation issue
nfsd: fix nfs read eof detection
nfsd: Make nfsd_reset_boot_verifier_locked static
nfsd: degraded slot-count more gracefully as allocation nears exhaustion.
nfsd: handle drc over-allocation gracefully.
nfsd: add support for upcall version 2
nfsd: add a "GetVersion" upcall for nfsdcld
nfsd: Reset the boot verifier on all write I/O errors
nfsd: Don't garbage collect files that might contain write errors
nfsd: Support the server resetting the boot verifier
nfsd: nfsd_file cache entries should be per net namespace
nfsd: eliminate an unnecessary acl size limit
Deprecate nfsd fault injection
nfsd: remove duplicated include from filecache.c
nfsd: Fix the documentation for svcxdr_tmpalloc()
nfsd: Fix up some unused variable warnings
nfsd: close cached files prior to a REMOVE or RENAME that would replace target
nfsd: rip out the raparms cache
nfsd: have nfsd_test_lock use the nfsd_file cache
nfsd: hook up nfs4_preprocess_stateid_op to the nfsd_file cache
...
|
||
|
Linus Torvalds
|
8f744bdee4 |
add virtio-fs
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCXYx2zAAKCRDh3BK/laaZ PFpHAQD2G+F8a9e41jFTJg5YpNKMD8/Pl4T6v9chIO9qPXF2IAEAji0P1JterRfv ixiBhv54hSwYbk527nxNWE9tP5gAHAQ= =WCHy -----END PGP SIGNATURE----- Merge tag 'virtio-fs-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse virtio-fs support from Miklos Szeredi: "Virtio-fs allows exporting directory trees on the host and mounting them in guest(s). This isn't actually a new filesystem, but a glue layer between the fuse filesystem and a virtio based back-end. It's similar in functionality to the existing virtio-9p solution, but significantly faster in benchmarks and has better POSIX compliance. Further permformance improvements can be achieved by sharing the page cache between host and guest, allowing for faster I/O and reduced memory use. Kata Containers have been including the out-of-tree virtio-fs (with the shared page cache patches as well) since version 1.7 as an experimental feature. They have been active in development and plan to switch from virtio-9p to virtio-fs as their default solution. There has been interest from other sources as well. The userspace infrastructure is slated to be merged into qemu once the kernel part hits mainline. This was developed by Vivek Goyal, Dave Gilbert and Stefan Hajnoczi" * tag 'virtio-fs-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: virtio-fs: add virtiofs filesystem virtio-fs: add Documentation/filesystems/virtiofs.rst fuse: reserve values for mapping protocol |
||
|
Linus Torvalds
|
568d850e3c |
RISC-V additional updates for v5.4-rc1
Some additional RISC-V updates for v5.4-rc1. This includes one
significant fix:
- Prevent interrupts from being unconditionally re-enabled during
exception handling if they were disabled in the context in which the
exception occurred
Also a few other fixes:
- Fix a build error when sparse memory support is manually enabled
- Prevent CPUs beyond CONFIG_NR_CPUS from being enabled in early boot
And a few minor improvements:
- DT improvements: in the FU540 SoC DT files, improve U-Boot
compatibility by adding an "ethernet0" alias, drop an unnecessary
property from the DT files, and add support for the PWM device
- KVM preparation: add a KVM-related macro for future RISC-V KVM
support, and export some symbols required to build KVM support as
modules
- defconfig additions: build more drivers by default for QEMU
configurations
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Merge tag 'riscv/for-v5.4-rc1-b' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Paul Walmsley:
"Some additional RISC-V updates.
This includes one significant fix:
- Prevent interrupts from being unconditionally re-enabled during
exception handling if they were disabled in the context in which
the exception occurred
Also a few other fixes:
- Fix a build error when sparse memory support is manually enabled
- Prevent CPUs beyond CONFIG_NR_CPUS from being enabled in early boot
And a few minor improvements:
- DT improvements: in the FU540 SoC DT files, improve U-Boot
compatibility by adding an "ethernet0" alias, drop an unnecessary
property from the DT files, and add support for the PWM device
- KVM preparation: add a KVM-related macro for future RISC-V KVM
support, and export some symbols required to build KVM support as
modules
- defconfig additions: build more drivers by default for QEMU
configurations"
* tag 'riscv/for-v5.4-rc1-b' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Avoid interrupts being erroneously enabled in handle_exception()
riscv: dts: sifive: Drop "clock-frequency" property of cpu nodes
riscv: dts: sifive: Add ethernet0 to the aliases node
RISC-V: Export kernel symbols for kvm
KVM: RISC-V: Add KVM_REG_RISCV for ONE_REG interface
arch/riscv: disable excess harts before picking main boot hart
RISC-V: Enable VIRTIO drivers in RV64 and RV32 defconfig
RISC-V: Fix building error when CONFIG_SPARSEMEM_MANUAL=y
riscv: dts: Add DT support for SiFive FU540 PWM driver
|
||
|
Linus Torvalds
|
8bbe0dec38 |
x86 KVM changes:
* The usual accuracy improvements for nested virtualization
* The usual round of code cleanups from Sean
* Added back optimizations that were prematurely removed in 5.2
(the bare minimum needed to fix the regression was in 5.3-rc8,
here comes the rest)
* Support for UMWAIT/UMONITOR/TPAUSE
* Direct L2->L0 TLB flushing when L0 is Hyper-V and L1 is KVM
* Tell Windows guests if SMT is disabled on the host
* More accurate detection of vmexit cost
* Revert a pvqspinlock pessimization
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more KVM updates from Paolo Bonzini:
"x86 KVM changes:
- The usual accuracy improvements for nested virtualization
- The usual round of code cleanups from Sean
- Added back optimizations that were prematurely removed in 5.2 (the
bare minimum needed to fix the regression was in 5.3-rc8, here
comes the rest)
- Support for UMWAIT/UMONITOR/TPAUSE
- Direct L2->L0 TLB flushing when L0 is Hyper-V and L1 is KVM
- Tell Windows guests if SMT is disabled on the host
- More accurate detection of vmexit cost
- Revert a pvqspinlock pessimization"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (56 commits)
KVM: nVMX: cleanup and fix host 64-bit mode checks
KVM: vmx: fix build warnings in hv_enable_direct_tlbflush() on i386
KVM: x86: Don't check kvm_rebooting in __kvm_handle_fault_on_reboot()
KVM: x86: Drop ____kvm_handle_fault_on_reboot()
KVM: VMX: Add error handling to VMREAD helper
KVM: VMX: Optimize VMX instruction error and fault handling
KVM: x86: Check kvm_rebooting in kvm_spurious_fault()
KVM: selftests: fix ucall on x86
Revert "locking/pvqspinlock: Don't wait if vCPU is preempted"
kvm: nvmx: limit atomic switch MSRs
kvm: svm: Intercept RDPRU
kvm: x86: Add "significant index" flag to a few CPUID leaves
KVM: x86/mmu: Skip invalid pages during zapping iff root_count is zero
KVM: x86/mmu: Explicitly track only a single invalid mmu generation
KVM: x86/mmu: Revert "KVM: x86/mmu: Remove is_obsolete() call"
KVM: x86/mmu: Revert "Revert "KVM: MMU: reclaim the zapped-obsolete page first""
KVM: x86/mmu: Revert "Revert "KVM: MMU: collapse TLB flushes when zap all pages""
KVM: x86/mmu: Revert "Revert "KVM: MMU: zap pages in batch""
KVM: x86/mmu: Revert "Revert "KVM: MMU: add tracepoint for kvm_mmu_invalidate_all_pages""
KVM: x86/mmu: Revert "Revert "KVM: MMU: show mmu_valid_gen in shadow page related tracepoints""
...
|
||
|
Jens Axboe
|
2d5ba0c712 |
Merge branch 'nvme-5.4' of git://git.infradead.org/nvme into for-linus
Pull NVMe changes from Sagi: "This set consists of various fixes and cleanups: - controller removal race fix from Balbir - quirk additions from Gabriel and Jian-Hong - nvme-pci power state save fix from Mario - Add 64bit user commands (for 64bit registers) from Marta - nvme-rdma/nvme-tcp fixes from Max, Mark and Me - Minor cleanups and nits from James, Dan and John" * 'nvme-5.4' of git://git.infradead.org/nvme: nvme-rdma: fix possible use-after-free in connect timeout nvme: Move ctrl sqsize to generic space nvme: Add ctrl attributes for queue_count and sqsize nvme: allow 64-bit results in passthru commands nvme: Add quirk for Kingston NVME SSD running FW E8FK11.T nvmet-tcp: remove superflous check on request sgl Added QUIRKs for ADATA XPG SX8200 Pro 512GB nvme-rdma: Fix max_hw_sectors calculation nvme: fix an error code in nvme_init_subsystem() nvme-pci: Save PCI state before putting drive into deepest state nvme-tcp: fix wrong stop condition in io_work nvme-pci: Fix a race in controller removal nvmet: change ppl to lpp |
||
|
Jacob Keller
|
2df4de1681 |
ptp: correctly disable flags on old ioctls
Commit
|
||
|
David S. Miller
|
c5f095baa8 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for net: 1) Add NFT_CHAIN_POLICY_UNSET to replace hardcoded -1 to specify that the chain policy is unset. The chain policy field is actually defined as an 8-bit unsigned integer. 2) Remove always true condition reported by smatch in chain policy check. 3) Fix element lookup on dynamic sets, from Florian Westphal. 4) Use __u8 in ebtables uapi header, from Masahiro Yamada. 5) Bogus EBUSY when removing flowtable after chain flush, from Laura Garcia Liebana. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Linus Torvalds
|
cbafe18c71 |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
- almost all of the rest of -mm
- various other subsystems
Subsystems affected by this patch series:
memcg, misc, core-kernel, lib, checkpatch, reiserfs, fat, fork,
cpumask, kexec, uaccess, kconfig, kgdb, bug, ipc, lzo, kasan, madvise,
cleanups, pagemap
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (77 commits)
arch/sparc/include/asm/pgtable_64.h: fix build
mm: treewide: clarify pgtable_page_{ctor,dtor}() naming
ntfs: remove (un)?likely() from IS_ERR() conditions
IB/hfi1: remove unlikely() from IS_ERR*() condition
xfs: remove unlikely() from WARN_ON() condition
wimax/i2400m: remove unlikely() from WARN*() condition
fs: remove unlikely() from WARN_ON() condition
xen/events: remove unlikely() from WARN() condition
checkpatch: check for nested (un)?likely() calls
hexagon: drop empty and unused free_initrd_mem
mm: factor out common parts between MADV_COLD and MADV_PAGEOUT
mm: introduce MADV_PAGEOUT
mm: change PAGEREF_RECLAIM_CLEAN with PAGE_REFRECLAIM
mm: introduce MADV_COLD
mm: untag user pointers in mmap/munmap/mremap/brk
vfio/type1: untag user pointers in vaddr_get_pfn
tee/shm: untag user pointers in tee_shm_register
media/v4l2-core: untag user pointers in videobuf_dma_contig_user_get
drm/radeon: untag user pointers in radeon_gem_userptr_ioctl
drm/amdgpu: untag user pointers
...
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Minchan Kim
|
1a4e58cce8 |
mm: introduce MADV_PAGEOUT
When a process expects no accesses to a certain memory range for a long time, it could hint kernel that the pages can be reclaimed instantly but data should be preserved for future use. This could reduce workingset eviction so it ends up increasing performance. This patch introduces the new MADV_PAGEOUT hint to madvise(2) syscall. MADV_PAGEOUT can be used by a process to mark a memory range as not expected to be used for a long time so that kernel reclaims *any LRU* pages instantly. The hint can help kernel in deciding which pages to evict proactively. A note: It doesn't apply SWAP_CLUSTER_MAX LRU page isolation limit intentionally because it's automatically bounded by PMD size. If PMD size(e.g., 256) makes some trouble, we could fix it later by limit it to SWAP_CLUSTER_MAX[1]. - man-page material MADV_PAGEOUT (since Linux x.x) Do not expect access in the near future so pages in the specified regions could be reclaimed instantly regardless of memory pressure. Thus, access in the range after successful operation could cause major page fault but never lose the up-to-date contents unlike MADV_DONTNEED. Pages belonging to a shared mapping are only processed if a write access is allowed for the calling process. MADV_PAGEOUT cannot be applied to locked pages, Huge TLB pages, or VM_PFNMAP pages. [1] https://lore.kernel.org/lkml/20190710194719.GS29695@dhcp22.suse.cz/ [minchan@kernel.org: clear PG_active on MADV_PAGEOUT] Link: http://lkml.kernel.org/r/20190802200643.GA181880@google.com [akpm@linux-foundation.org: resolve conflicts with hmm.git] Link: http://lkml.kernel.org/r/20190726023435.214162-5-minchan@kernel.org Signed-off-by: Minchan Kim <minchan@kernel.org> Reported-by: kbuild test robot <lkp@intel.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Chris Zankel <chris@zankel.net> Cc: Daniel Colascione <dancol@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Joel Fernandes (Google) <joel@joelfernandes.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Oleksandr Natalenko <oleksandr@redhat.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Sonny Rao <sonnyrao@google.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Tim Murray <timmurray@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
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Minchan Kim
|
9c276cc65a |
mm: introduce MADV_COLD
Patch series "Introduce MADV_COLD and MADV_PAGEOUT", v7. - Background The Android terminology used for forking a new process and starting an app from scratch is a cold start, while resuming an existing app is a hot start. While we continually try to improve the performance of cold starts, hot starts will always be significantly less power hungry as well as faster so we are trying to make hot start more likely than cold start. To increase hot start, Android userspace manages the order that apps should be killed in a process called ActivityManagerService. ActivityManagerService tracks every Android app or service that the user could be interacting with at any time and translates that into a ranked list for lmkd(low memory killer daemon). They are likely to be killed by lmkd if the system has to reclaim memory. In that sense they are similar to entries in any other cache. Those apps are kept alive for opportunistic performance improvements but those performance improvements will vary based on the memory requirements of individual workloads. - Problem Naturally, cached apps were dominant consumers of memory on the system. However, they were not significant consumers of swap even though they are good candidate for swap. Under investigation, swapping out only begins once the low zone watermark is hit and kswapd wakes up, but the overall allocation rate in the system might trip lmkd thresholds and cause a cached process to be killed(we measured performance swapping out vs. zapping the memory by killing a process. Unsurprisingly, zapping is 10x times faster even though we use zram which is much faster than real storage) so kill from lmkd will often satisfy the high zone watermark, resulting in very few pages actually being moved to swap. - Approach The approach we chose was to use a new interface to allow userspace to proactively reclaim entire processes by leveraging platform information. This allowed us to bypass the inaccuracy of the kernel’s LRUs for pages that are known to be cold from userspace and to avoid races with lmkd by reclaiming apps as soon as they entered the cached state. Additionally, it could provide many chances for platform to use much information to optimize memory efficiency. To achieve the goal, the patchset introduce two new options for madvise. One is MADV_COLD which will deactivate activated pages and the other is MADV_PAGEOUT which will reclaim private pages instantly. These new options complement MADV_DONTNEED and MADV_FREE by adding non-destructive ways to gain some free memory space. MADV_PAGEOUT is similar to MADV_DONTNEED in a way that it hints the kernel that memory region is not currently needed and should be reclaimed immediately; MADV_COLD is similar to MADV_FREE in a way that it hints the kernel that memory region is not currently needed and should be reclaimed when memory pressure rises. This patch (of 5): When a process expects no accesses to a certain memory range, it could give a hint to kernel that the pages can be reclaimed when memory pressure happens but data should be preserved for future use. This could reduce workingset eviction so it ends up increasing performance. This patch introduces the new MADV_COLD hint to madvise(2) syscall. MADV_COLD can be used by a process to mark a memory range as not expected to be used in the near future. The hint can help kernel in deciding which pages to evict early during memory pressure. It works for every LRU pages like MADV_[DONTNEED|FREE]. IOW, It moves active file page -> inactive file LRU active anon page -> inacdtive anon LRU Unlike MADV_FREE, it doesn't move active anonymous pages to inactive file LRU's head because MADV_COLD is a little bit different symantic. MADV_FREE means it's okay to discard when the memory pressure because the content of the page is *garbage* so freeing such pages is almost zero overhead since we don't need to swap out and access afterward causes just minor fault. Thus, it would make sense to put those freeable pages in inactive file LRU to compete other used-once pages. It makes sense for implmentaion point of view, too because it's not swapbacked memory any longer until it would be re-dirtied. Even, it could give a bonus to make them be reclaimed on swapless system. However, MADV_COLD doesn't mean garbage so reclaiming them requires swap-out/in in the end so it's bigger cost. Since we have designed VM LRU aging based on cost-model, anonymous cold pages would be better to position inactive anon's LRU list, not file LRU. Furthermore, it would help to avoid unnecessary scanning if system doesn't have a swap device. Let's start simpler way without adding complexity at this moment. However, keep in mind, too that it's a caveat that workloads with a lot of pages cache are likely to ignore MADV_COLD on anonymous memory because we rarely age anonymous LRU lists. * man-page material MADV_COLD (since Linux x.x) Pages in the specified regions will be treated as less-recently-accessed compared to pages in the system with similar access frequencies. In contrast to MADV_FREE, the contents of the region are preserved regardless of subsequent writes to pages. MADV_COLD cannot be applied to locked pages, Huge TLB pages, or VM_PFNMAP pages. [akpm@linux-foundation.org: resolve conflicts with hmm.git] Link: http://lkml.kernel.org/r/20190726023435.214162-2-minchan@kernel.org Signed-off-by: Minchan Kim <minchan@kernel.org> Reported-by: kbuild test robot <lkp@intel.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> Cc: Richard Henderson <rth@twiddle.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Chris Zankel <chris@zankel.net> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Daniel Colascione <dancol@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Hillf Danton <hdanton@sina.com> Cc: Joel Fernandes (Google) <joel@joelfernandes.org> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Oleksandr Natalenko <oleksandr@redhat.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Sonny Rao <sonnyrao@google.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Tim Murray <timmurray@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Masahiro Yamada
|
541be05095 |
linux/coff.h: add include guard
Add a header include guard just in case. My motivation is to allow Kbuild to detect missing include guard: https://patchwork.kernel.org/patch/11063011/ Before I enable this checker I want to fix as many headers as possible. Link: http://lkml.kernel.org/r/20190728154728.11126-1-yamada.masahiro@socionext.com Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Marta Rybczynska
|
65e68edce0 |
nvme: allow 64-bit results in passthru commands
It is not possible to get 64-bit results from the passthru commands, what prevents from getting for the Capabilities (CAP) property value. As a result, it is not possible to implement IOL's NVMe Conformance test 4.3 Case 1 for Fabrics targets [1] (page 123). This issue has been already discussed [2], but without a solution. This patch solves the problem by adding new ioctls with a new passthru structure, including 64-bit results. The older ioctls stay unchanged. [1] https://www.iol.unh.edu/sites/default/files/testsuites/nvme/UNH-IOL_NVMe_Conformance_Test_Suite_v11.0.pdf [2] http://lists.infradead.org/pipermail/linux-nvme/2018-June/018791.html Signed-off-by: Marta Rybczynska <marta.rybczynska@kalray.eu> Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> |
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Linus Torvalds
|
7b1373dd6e |
fuse update for 5.4
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCXYod6wAKCRDh3BK/laaZ PG3fAP9WXuvUeYh3X7ThQPa2D33VCIMJRd6t+1TVSSc/H8P3dAD/ehN5HIWjnmzz iZFc3zDtO9UCJUe23IZomblxOQbu6Qk= =I0S2 -----END PGP SIGNATURE----- Merge tag 'fuse-update-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse updates from Miklos Szeredi: - Continue separating the transport (user/kernel communication) and the filesystem layers of fuse. Getting rid of most layering violations will allow for easier cleanup and optimization later on. - Prepare for the addition of the virtio-fs filesystem. The actual filesystem will be introduced by a separate pull request. - Convert to new mount API. - Various fixes, optimizations and cleanups. * tag 'fuse-update-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (55 commits) fuse: Make fuse_args_to_req static fuse: fix memleak in cuse_channel_open fuse: fix beyond-end-of-page access in fuse_parse_cache() fuse: unexport fuse_put_request fuse: kmemcg account fs data fuse: on 64-bit store time in d_fsdata directly fuse: fix missing unlock_page in fuse_writepage() fuse: reserve byteswapped init opcodes fuse: allow skipping control interface and forced unmount fuse: dissociate DESTROY from fuseblk fuse: delete dentry if timeout is zero fuse: separate fuse device allocation and installation in fuse_conn fuse: add fuse_iqueue_ops callbacks fuse: extract fuse_fill_super_common() fuse: export fuse_dequeue_forget() function fuse: export fuse_get_unique() fuse: export fuse_send_init_request() fuse: export fuse_len_args() fuse: export fuse_end_request() fuse: fix request limit ... |
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Masahiro Yamada
|
20ff1cb506 |
netfilter: ebtables: use __u8 instead of uint8_t in uapi header
When CONFIG_UAPI_HEADER_TEST=y, exported headers are compile-tested to
make sure they can be included from user-space.
Currently, linux/netfilter_bridge/ebtables.h is excluded from the test
coverage. To make it join the compile-test, we need to fix the build
errors attached below.
For a case like this, we decided to use __u{8,16,32,64} variable types
in this discussion:
https://lkml.org/lkml/2019/6/5/18
Build log:
CC usr/include/linux/netfilter_bridge/ebtables.h.s
In file included from <command-line>:32:0:
./usr/include/linux/netfilter_bridge/ebtables.h:126:4: error: unknown type name ‘uint8_t’
uint8_t revision;
^~~~~~~
./usr/include/linux/netfilter_bridge/ebtables.h:139:4: error: unknown type name ‘uint8_t’
uint8_t revision;
^~~~~~~
./usr/include/linux/netfilter_bridge/ebtables.h:152:4: error: unknown type name ‘uint8_t’
uint8_t revision;
^~~~~~~
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
|
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Linus Torvalds
|
b6cb84b4fc |
for-5.4/io_uring-2019-09-24
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Merge tag 'for-5.4/io_uring-2019-09-24' of git://git.kernel.dk/linux-block
Pull more io_uring updates from Jens Axboe:
"A collection of later fixes and additions, that weren't quite ready
for pushing out with the initial pull request.
This contains:
- Fix potential use-after-free of shadow requests (Jackie)
- Fix potential OOM crash in request allocation (Jackie)
- kmalloc+memcpy -> kmemdup cleanup (Jackie)
- Fix poll crash regression (me)
- Fix SQ thread not being nice and giving up CPU for !PREEMPT (me)
- Add support for timeouts, making it easier to do epoll_wait()
conversions, for instance (me)
- Ensure io_uring works without f_ops->read_iter() and
f_ops->write_iter() (me)"
* tag 'for-5.4/io_uring-2019-09-24' of git://git.kernel.dk/linux-block:
io_uring: correctly handle non ->{read,write}_iter() file_operations
io_uring: IORING_OP_TIMEOUT support
io_uring: use cond_resched() in sqthread
io_uring: fix potential crash issue due to io_get_req failure
io_uring: ensure poll commands clear ->sqe
io_uring: fix use-after-free of shadow_req
io_uring: use kmemdup instead of kmalloc and memcpy
|
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Tianyu Lan
|
344c6c8047 |
KVM/Hyper-V: Add new KVM capability KVM_CAP_HYPERV_DIRECT_TLBFLUSH
Hyper-V direct tlb flush function should be enabled for guest that only uses Hyper-V hypercall. User space hypervisor(e.g, Qemu) can disable KVM identification in CPUID and just exposes Hyper-V identification to make sure the precondition. Add new KVM capability KVM_CAP_ HYPERV_DIRECT_TLBFLUSH for user space to enable Hyper-V direct tlb function and this function is default to be disabled in KVM. Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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Linus Torvalds
|
299d14d4c3 |
pci-v5.4-changes
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Merge tag 'pci-v5.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration:
- Consolidate _HPP/_HPX stuff in pci-acpi.c and simplify it
(Krzysztof Wilczynski)
- Fix incorrect PCIe device types and remove dev->has_secondary_link
to simplify code that deals with upstream/downstream ports (Mika
Westerberg)
- After suspend, restore Resizable BAR size bits correctly for 1MB
BARs (Sumit Saxena)
- Enable PCI_MSI_IRQ_DOMAIN support for RISC-V (Wesley Terpstra)
Virtualization:
- Add ACS quirks for iProc PAXB (Abhinav Ratna), Amazon Annapurna
Labs (Ali Saidi)
- Move sysfs SR-IOV functions to iov.c (Kelsey Skunberg)
- Remove group write permissions from sysfs sriov_numvfs,
sriov_drivers_autoprobe (Kelsey Skunberg)
Hotplug:
- Simplify pciehp indicator control (Denis Efremov)
Peer-to-peer DMA:
- Allow P2P DMA between root ports for whitelisted bridges (Logan
Gunthorpe)
- Whitelist some Intel host bridges for P2P DMA (Logan Gunthorpe)
- DMA map P2P DMA requests that traverse host bridge (Logan
Gunthorpe)
Amazon Annapurna Labs host bridge driver:
- Add DT binding and controller driver (Jonathan Chocron)
Hyper-V host bridge driver:
- Fix hv_pci_dev->pci_slot use-after-free (Dexuan Cui)
- Fix PCI domain number collisions (Haiyang Zhang)
- Use instance ID bytes 4 & 5 as PCI domain numbers (Haiyang Zhang)
- Fix build errors on non-SYSFS config (Randy Dunlap)
i.MX6 host bridge driver:
- Limit DBI register length (Stefan Agner)
Intel VMD host bridge driver:
- Fix config addressing issues (Jon Derrick)
Layerscape host bridge driver:
- Add bar_fixed_64bit property to endpoint driver (Xiaowei Bao)
- Add CONFIG_PCI_LAYERSCAPE_EP to build EP/RC drivers separately
(Xiaowei Bao)
Mediatek host bridge driver:
- Add MT7629 controller support (Jianjun Wang)
Mobiveil host bridge driver:
- Fix CPU base address setup (Hou Zhiqiang)
- Make "num-lanes" property optional (Hou Zhiqiang)
Tegra host bridge driver:
- Fix OF node reference leak (Nishka Dasgupta)
- Disable MSI for root ports to work around design problem (Vidya
Sagar)
- Add Tegra194 DT binding and controller support (Vidya Sagar)
- Add support for sideband pins and slot regulators (Vidya Sagar)
- Add PIPE2UPHY support (Vidya Sagar)
Misc:
- Remove unused pci_block_cfg_access() et al (Kelsey Skunberg)
- Unexport pci_bus_get(), etc (Kelsey Skunberg)
- Hide PM, VC, link speed, ATS, ECRC, PTM constants and interfaces in
the PCI core (Kelsey Skunberg)
- Clean up sysfs DEVICE_ATTR() usage (Kelsey Skunberg)
- Mark expected switch fall-through (Gustavo A. R. Silva)
- Propagate errors for optional regulators and PHYs (Thierry Reding)
- Fix kernel command line resource_alignment parameter issues (Logan
Gunthorpe)"
* tag 'pci-v5.4-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (112 commits)
PCI: Add pci_irq_vector() and other stubs when !CONFIG_PCI
arm64: tegra: Add PCIe slot supply information in p2972-0000 platform
arm64: tegra: Add configuration for PCIe C5 sideband signals
PCI: tegra: Add support to enable slot regulators
PCI: tegra: Add support to configure sideband pins
PCI: vmd: Fix shadow offsets to reflect spec changes
PCI: vmd: Fix config addressing when using bus offsets
PCI: dwc: Add validation that PCIe core is set to correct mode
PCI: dwc: al: Add Amazon Annapurna Labs PCIe controller driver
dt-bindings: PCI: Add Amazon's Annapurna Labs PCIe host bridge binding
PCI: Add quirk to disable MSI-X support for Amazon's Annapurna Labs Root Port
PCI/VPD: Prevent VPD access for Amazon's Annapurna Labs Root Port
PCI: Add ACS quirk for Amazon Annapurna Labs root ports
PCI: Add Amazon's Annapurna Labs vendor ID
MAINTAINERS: Add PCI native host/endpoint controllers designated reviewer
PCI: hv: Use bytes 4 and 5 from instance ID as the PCI domain numbers
dt-bindings: PCI: tegra: Add PCIe slot supplies regulator entries
dt-bindings: PCI: tegra: Add sideband pins configuration entries
PCI: tegra: Add Tegra194 PCIe support
PCI: Get rid of dev->has_secondary_link flag
...
|
||
|
Bjorn Helgaas
|
3efa7f1feb |
Merge branch 'lorenzo/pci/tegra'
- Fix Tegra OF node reference leak (Nishka Dasgupta)
- Add #defines for PCIe Data Link Feature and Physical Layer 16.0 GT/s
features (Vidya Sagar)
- Disable MSI for Tegra Root Ports since they don't support using MSI for
all Root Port events (Vidya Sagar)
- Group DesignWare write-protected register writes together (Vidya Sagar)
- Move DesignWare capability search interfaces so they can be used by
both host and endpoint drivers (Vidya Sagar)
- Add DesignWare extended capability search interfaces (Vidya Sagar)
- Export dw_pcie_wait_for_link() so drivers can be modules (Vidya Sagar)
- Add "snps,enable-cdm-check" DT binding for Configuration Dependent
Module (CDM) register checking (Vidya Sagar)
- Add DesignWare support for "snps,enable-cdm-check" CDM checking (Vidya
Sagar)
- Add "supports-clkreq" DT binding for host drivers to decide whether to
advertise low power features (Vidya Sagar)
- Add DT binding for Tegra194 (Vidya Sagar)
- Add DT binding for Tegra194 P2U (PIPE to UPHY) block (Vidya Sagar)
- Add support for Tegra194 P2U (PIPE to UPHY) (Vidya Sagar)
- Add support for Tegra194 host controller (Vidya Sagar)
- Add Tegra support for sideband PERST# and CLKREQ# for C5 (Vidya Sagar)
- Add Tegra support for slot regulators for p2972-0000 platform (Vidya
Sagar)
* lorenzo/pci/tegra:
arm64: tegra: Add PCIe slot supply information in p2972-0000 platform
arm64: tegra: Add configuration for PCIe C5 sideband signals
PCI: tegra: Add support to enable slot regulators
PCI: tegra: Add support to configure sideband pins
dt-bindings: PCI: tegra: Add PCIe slot supplies regulator entries
dt-bindings: PCI: tegra: Add sideband pins configuration entries
PCI: tegra: Add Tegra194 PCIe support
phy: tegra: Add PCIe PIPE2UPHY support
dt-bindings: PHY: P2U: Add Tegra194 P2U block
dt-bindings: PCI: tegra: Add device tree support for Tegra194
dt-bindings: Add PCIe supports-clkreq property
PCI: dwc: Add support to enable CDM register check
dt-bindings: PCI: designware: Add binding for CDM register check
PCI: dwc: Export dw_pcie_wait_for_link() API
PCI: dwc: Add extended configuration space capability search API
PCI: dwc: Move config space capability search API
PCI: dwc: Group DBI registers writes requiring unlocking
PCI: Disable MSI for Tegra root ports
PCI: Add #defines for some of PCIe spec r4.0 features
PCI: tegra: Fix OF node reference leak
|
||
|
Linus Torvalds
|
fbc246a12a |
f2fs-for-5.4-rc1
In this round, we introduced casefolding support in f2fs, and fixed various bugs in individual features such as IO alignment, checkpoint=disable, quota, and swapfile. Enhancement: - support casefolding w/ enhancement in ext4 - support fiemap for directory - support FS_IO_GET|SET_FSLABEL Bug fix: - fix IO stuck during checkpoint=disable - avoid infinite GC loop - fix panic/overflow related to IO alignment feature - fix livelock in swap file - fix discard command leak - disallow dio for atomic_write -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE00UqedjCtOrGVvQiQBSofoJIUNIFAl2FL1wACgkQQBSofoJI UNIRdg/+M6QNiAazIbqzPXyUUkyZQYR5YKhu2abd49o/g38xjTq1afH0PZpQyDrA 9RncR4xsW8F241vPLVoCSanfaa+MxN6xHi3TrD8zYtZWxOcPF6v1ETHeUXGTHuJ2 gqlk+mm+CnY02M6rxW7XwixuXwttT3bF9+cf1YBWRpNoVrR+SjNqgeJS7FmJwXKd nGKb+94OxuygL1NUop+LDUo3qRQjc0Sxv/7qj/K4lhqgTjhAxMYT2KvUP/1MZ7U0 Kh9WIayDXnpoioxMPnt4VEb+JgXfLLFELvQzNjwulk15GIweuJzwVYCBXcRoX0cK eRBRmRy/kRp/e0R1gvl3kYrXQC2AC5QTlBVH/0ESwnaukFiUBKB509vH4aqE/vpB Krldjfg+uMHkc7XiNBf1boDp713vJ76iRKUDWoVb6H/sPbdJ+jtrnUNeBP8CVpWh u31SY1MppnmKhhsoCHQRbhbXO/Z29imBQgF9Tm3IFWImyLY3IU40vFj2fR15gJkL X3x/HWxQynSqyqEOwAZrvhCRTvBAIGIVy5292Di1RkqIoh8saxcqiaywgLz1+eVE 0DCOoh8R6sSbfN/EEh+yZqTxmjo0VGVTw30XVI6QEo4cY5Vfc9u6dN6SRWVRvbjb kPb3dKcMrttgbn3fcXU8Jbw1AOor9N6afHaqs0swQJyci2RwJyc= =oonf -----END PGP SIGNATURE----- Merge tag 'f2fs-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "In this round, we introduced casefolding support in f2fs, and fixed various bugs in individual features such as IO alignment, checkpoint=disable, quota, and swapfile. Enhancement: - support casefolding w/ enhancement in ext4 - support fiemap for directory - support FS_IO_GET|SET_FSLABEL Bug fix: - fix IO stuck during checkpoint=disable - avoid infinite GC loop - fix panic/overflow related to IO alignment feature - fix livelock in swap file - fix discard command leak - disallow dio for atomic_write" * tag 'f2fs-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (51 commits) f2fs: add a condition to detect overflow in f2fs_ioc_gc_range() f2fs: fix to add missing F2FS_IO_ALIGNED() condition f2fs: fix to fallback to buffered IO in IO aligned mode f2fs: fix to handle error path correctly in f2fs_map_blocks f2fs: fix extent corrupotion during directIO in LFS mode f2fs: check all the data segments against all node ones f2fs: Add a small clarification to CONFIG_FS_F2FS_FS_SECURITY f2fs: fix inode rwsem regression f2fs: fix to avoid accessing uninitialized field of inode page in is_alive() f2fs: avoid infinite GC loop due to stale atomic files f2fs: Fix indefinite loop in f2fs_gc() f2fs: convert inline_data in prior to i_size_write f2fs: fix error path of f2fs_convert_inline_page() f2fs: add missing documents of reserve_root/resuid/resgid f2fs: fix flushing node pages when checkpoint is disabled f2fs: enhance f2fs_is_checkpoint_ready()'s readability f2fs: clean up __bio_alloc()'s parameter f2fs: fix wrong error injection path in inc_valid_block_count() f2fs: fix to writeout dirty inode during node flush f2fs: optimize case-insensitive lookups ... |
||
|
Linus Torvalds
|
10fd71780f |
SCSI misc on 20190919
This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi, lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates. The only core change this time around is the addition of request batching for virtio. Since batching requires an additional flag to use, it should be invisible to the rest of the drivers. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCXYQE/yYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishXs9AP4usPY5 OpMlF6OiKFNeJrCdhCScVghf9uHbc7UA6cP+EgD/bCtRgcDe1ZjOTYWdeTwvwWqA ltWYonnv6Lg3b1f9yqI= =jRC/ -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This is mostly update of the usual drivers: qla2xxx, ufs, smartpqi, lpfc, hisi_sas, qedf, mpt3sas; plus a whole load of minor updates. The only core change this time around is the addition of request batching for virtio. Since batching requires an additional flag to use, it should be invisible to the rest of the drivers" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (264 commits) scsi: hisi_sas: Fix the conflict between device gone and host reset scsi: hisi_sas: Add BIST support for phy loopback scsi: hisi_sas: Add hisi_sas_debugfs_alloc() to centralise allocation scsi: hisi_sas: Remove some unused function arguments scsi: hisi_sas: Remove redundant work declaration scsi: hisi_sas: Remove hisi_sas_hw.slot_complete scsi: hisi_sas: Assign NCQ tag for all NCQ commands scsi: hisi_sas: Update all the registers after suspend and resume scsi: hisi_sas: Retry 3 times TMF IO for SAS disks when init device scsi: hisi_sas: Remove sleep after issue phy reset if sas_smp_phy_control() fails scsi: hisi_sas: Directly return when running I_T_nexus reset if phy disabled scsi: hisi_sas: Use true/false as input parameter of sas_phy_reset() scsi: hisi_sas: add debugfs auto-trigger for internal abort time out scsi: virtio_scsi: unplug LUNs when events missed scsi: scsi_dh_rdac: zero cdb in send_mode_select() scsi: fcoe: fix null-ptr-deref Read in fc_release_transport scsi: ufs-hisi: use devm_platform_ioremap_resource() to simplify code scsi: ufshcd: use devm_platform_ioremap_resource() to simplify code scsi: hisi_sas: use devm_platform_ioremap_resource() to simplify code scsi: ufs: Use kmemdup in ufshcd_read_string_desc() ... |
||
|
Linus Torvalds
|
3e414b5bd2 |
- crypto and DM crypt advances that allow the crypto API to reclaim
implementation details that do not belong in DM crypt. The wrapper template for ESSIV generation that was factored out will also be used by fscrypt in the future. - Add root hash pkcs#7 signature verification to the DM verity target. - Add a new "clone" DM target that allows for efficient remote replication of a device. - Enhance DM bufio's cache to be tailored to each client based on use. Clients that make heavy use of the cache get more of it, and those that use less have reduced cache usage. - Add a new DM_GET_TARGET_VERSION ioctl to allow userspace to query the version number of a DM target (even if the associated module isn't yet loaded). - Fix invalid memory access in DM zoned target. - Fix the max_discard_sectors limit advertised by the DM raid target; it was mistakenly storing the limit in bytes rather than sectors. - Small optimizations and cleanups in DM writecache target. - Various fixes and cleanups in DM core, DM raid1 and space map portion of DM persistent data library. -----BEGIN PGP SIGNATURE----- iQFHBAABCAAxFiEEJfWUX4UqZ4x1O2wixSPxCi2dA1oFAl2D7ycTHHNuaXR6ZXJA cmVkaGF0LmNvbQAKCRDFI/EKLZ0DWp9QCACwTkVGzPGMCbAaCVlCACo8B5JyY4OO FNxucqUlt1MHKuBbzJd4XwNGlLg68xjMUKVPYPlgina7TaDl+wvlTbHchaJS8nak x1zyhDSywy0F9f6HHiXJi/vshmAfa0xnIM6fQXVPM346S6xf9u7hqOJQMCrdvY92 w4FhuW9nVt5xizo8iC/3LzoWbhrWncT7dyZUZtG3/tmglhkEK7QwctlgQxcD7tXg H1lhntQzHzpxQAVBefWWdw7ubuDd6XCHuQMaxRhyR++c62P3eKDR8ck9hhd3hZKv E481gtxcsjKuYLxwULjqFJZaNFitWFNMJ7gppQyKRqCzn2zlGAL6npl8 =m6zD -----END PGP SIGNATURE----- Merge tag 'for-5.4/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper updates from Mike Snitzer: - crypto and DM crypt advances that allow the crypto API to reclaim implementation details that do not belong in DM crypt. The wrapper template for ESSIV generation that was factored out will also be used by fscrypt in the future. - Add root hash pkcs#7 signature verification to the DM verity target. - Add a new "clone" DM target that allows for efficient remote replication of a device. - Enhance DM bufio's cache to be tailored to each client based on use. Clients that make heavy use of the cache get more of it, and those that use less have reduced cache usage. - Add a new DM_GET_TARGET_VERSION ioctl to allow userspace to query the version number of a DM target (even if the associated module isn't yet loaded). - Fix invalid memory access in DM zoned target. - Fix the max_discard_sectors limit advertised by the DM raid target; it was mistakenly storing the limit in bytes rather than sectors. - Small optimizations and cleanups in DM writecache target. - Various fixes and cleanups in DM core, DM raid1 and space map portion of DM persistent data library. * tag 'for-5.4/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (22 commits) dm: introduce DM_GET_TARGET_VERSION dm bufio: introduce a global cache replacement dm bufio: remove old-style buffer cleanup dm bufio: introduce a global queue dm bufio: refactor adjust_total_allocated dm bufio: call adjust_total_allocated from __link_buffer and __unlink_buffer dm: add clone target dm raid: fix updating of max_discard_sectors limit dm writecache: skip writecache_wait for pmem mode dm stats: use struct_size() helper dm crypt: omit parsing of the encapsulated cipher dm crypt: switch to ESSIV crypto API template crypto: essiv - create wrapper template for ESSIV generation dm space map common: remove check for impossible sm_find_free() return value dm raid1: use struct_size() with kzalloc() dm writecache: optimize performance by sorting the blocks for writeback_all dm writecache: add unlikely for getting two block with same LBA dm writecache: remove unused member pointer in writeback_struct dm zoned: fix invalid memory access dm verity: add root hash pkcs#7 signature verification ... |
||
|
Linus Torvalds
|
018c6837f3 |
RDMA subsystem updates for 5.4
This cycle mainly saw lots of bug fixes and clean up code across the core
code and several drivers, few new functional changes were made.
- Many cleanup and bug fixes for hns
- Various small bug fixes and cleanups in hfi1, mlx5, usnic, qed,
bnxt_re, efa
- Share the query_port code between all the iWarp drivers
- General rework and cleanup of the ODP MR umem code to fit better with
the mmu notifier get/put scheme
- Support rdma netlink in non init_net name spaces
- mlx5 support for XRC devx and DC ODP
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull RDMA subsystem updates from Jason Gunthorpe:
"This cycle mainly saw lots of bug fixes and clean up code across the
core code and several drivers, few new functional changes were made.
- Many cleanup and bug fixes for hns
- Various small bug fixes and cleanups in hfi1, mlx5, usnic, qed,
bnxt_re, efa
- Share the query_port code between all the iWarp drivers
- General rework and cleanup of the ODP MR umem code to fit better
with the mmu notifier get/put scheme
- Support rdma netlink in non init_net name spaces
- mlx5 support for XRC devx and DC ODP"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (99 commits)
RDMA: Fix double-free in srq creation error flow
RDMA/efa: Fix incorrect error print
IB/mlx5: Free mpi in mp_slave mode
IB/mlx5: Use the original address for the page during free_pages
RDMA/bnxt_re: Fix spelling mistake "missin_resp" -> "missing_resp"
RDMA/hns: Package operations of rq inline buffer into separate functions
RDMA/hns: Optimize cmd init and mode selection for hip08
IB/hfi1: Define variables as unsigned long to fix KASAN warning
IB/{rdmavt, hfi1, qib}: Add a counter for credit waits
IB/hfi1: Add traces for TID RDMA READ
RDMA/siw: Relax from kmap_atomic() use in TX path
IB/iser: Support up to 16MB data transfer in a single command
RDMA/siw: Fix page address mapping in TX path
RDMA: Fix goto target to release the allocated memory
RDMA/usnic: Avoid overly large buffers on stack
RDMA/odp: Add missing cast for 32 bit
RDMA/hns: Use devm_platform_ioremap_resource() to simplify code
Documentation/infiniband: update name of some functions
RDMA/cma: Fix false error message
RDMA/hns: Fix wrong assignment of qp_access_flags
...
|
||
|
Linus Torvalds
|
1ddd00276f |
VFIO updates for v5.4-rc1
- Fix spapr iommu error case case (Alexey Kardashevskiy) - Consolidate region type definitions (Cornelia Huck) - Restore saved original PCI state on release (hexin) - Simplify mtty sample driver interrupt path (Parav Pandit) - Support for reporting valid IOVA regions to user (Shameer Kolothum) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iQIcBAABAgAGBQJdhS76AAoJECObm247sIsipU0QAI4eCfwy4R4nV6eeTUymniVO jxYNwE2ZARQp3YW6DzupuesCIDDuhPL81vTzhFuIP6lHixeWM/D4eS8pKw4CH7UH SAOhiNJ7j1NryXK6SnZMaE8zZH/Ry4j8QvfmlJpDi7EBSQI/IRykRZOA2qEULFJm eI1ZwBR03njbqKPwKy9a6RVifjFT+yAnQrX/ADdQY1T1C9qPkqJZnYwTviwOM6G/ pXHkpLgc3eYmz6ZAk7TpE4kxx7Zji3MenKHxSE0ZD9xqixzzntZ3gG9dDXy98IRW /oWQSM0gusF4louG/iXb22QzlzcRPZXJhQ+02fjWfuR+Ak3W5amI5eIPzPyjvbZw As54My1HedLMWnKvQKjTS5HYyHqgCACYjdAEocx79LvU40txpcEUOqoZeRhSiEyN zcc2xaYSs/aw7AZd3MwNKrqeg25LspD9T1FBoqou/C4EzW5Q63gClVJqbfpyrmVX SPYuGtFzkWqI4eLkgJ8ACAm20CMBtH0nVPhxpE7fOMxwzuUoWLxB+t6x5eEDKUhd kHhtdUJrfYSsmjgnWc0IoB9OVLaj/EsfQrv08V+tNUjt8JoGb9A6A5jWebf506hI JhlVS0aNN80GATDgu3nPiBMaS/3ErTDrTNh/zmYQnSDFOKTDw1nj+w3rczkwVY7C 1VFtP4vrLSjwJV49zAIR =siL2 -----END PGP SIGNATURE----- Merge tag 'vfio-v5.4-rc1' of git://github.com/awilliam/linux-vfio Pull VFIO updates from Alex Williamson: - Fix spapr iommu error case case (Alexey Kardashevskiy) - Consolidate region type definitions (Cornelia Huck) - Restore saved original PCI state on release (hexin) - Simplify mtty sample driver interrupt path (Parav Pandit) - Support for reporting valid IOVA regions to user (Shameer Kolothum) * tag 'vfio-v5.4-rc1' of git://github.com/awilliam/linux-vfio: vfio_pci: Restore original state on release vfio/type1: remove duplicate retrieval of reserved regions vfio/type1: Add IOVA range capability support vfio/type1: check dma map request is within a valid iova range vfio/spapr_tce: Fix incorrect tce_iommu_group memory free vfio-mdev/mtty: Simplify interrupt generation vfio: re-arrange vfio region definitions vfio/type1: Update iova list on detach vfio/type1: Check reserved region conflict and update iova list vfio/type1: Introduce iova list and add iommu aperture validity check |
||
|
Anup Patel
|
dee04eee91 |
KVM: RISC-V: Add KVM_REG_RISCV for ONE_REG interface
We will be using ONE_REG interface accessing VCPU registers from user-space hence we add KVM_REG_RISCV for RISC-V VCPU registers. Signed-off-by: Anup Patel <anup.patel@wdc.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Alexander Graf <graf@amazon.com> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com> |
||
|
Linus Torvalds
|
574cc45397 |
drm main pull for 5.4-rc1
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Merge tag 'drm-next-2019-09-18' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie:
"This is the main pull request for 5.4-rc1 merge window. I don't think
there is anything outstanding so next week should just be fixes, but
we'll see if I missed anything. I landed some fixes earlier in the
week but got delayed writing summary and sending it out, due to a mix
of sick kid and jetlag!
There are some fixes pending, but I'd rather get the main merge out of
the way instead of delaying it longer.
It's also pretty large in commit count and new amd header file size.
The largest thing is four new amdgpu products (navi12/14, arcturus and
renoir APU support).
Otherwise it's pretty much lots of work across the board, i915 has
started landing tigerlake support, lots of icelake fixes and lots of
locking reworking for future gpu support, lots of header file rework
(drmP.h is nearly gone), some old legacy hacks (DRM_WAIT_ON) have been
put into the places they are needed.
uapi:
- content protection type property for HDCP
core:
- rework include dependencies
- lots of drmP.h removals
- link rate calculation robustness fix
- make fb helper map only when required
- add connector->DDC adapter link
- DRM_WAIT_ON removed
- drop DRM_AUTH usage from drivers
dma-buf:
- reservation object fence helper
dma-fence:
- shrink dma_fence struct
- merge signal functions
- store timestamps in dma_fence
- selftests
ttm:
- embed drm_get_object struct into ttm_buffer_object
- release_notify callback
bridges:
- sii902x - audio graph card support
- tc358767 - aux data handling rework
- ti-snd64dsi86 - debugfs support, DSI mode flags support
panels:
- Support for GiantPlus GPM940B0, Sharp LQ070Y3DG3B, Ortustech
COM37H3M, Novatek NT39016, Sharp LS020B1DD01D, Raydium RM67191, Boe
Himax8279d, Sharp LD-D5116Z01B
- TI nspire, NEC NL8048HL11, LG Philips LB035Q02, Sharp LS037V7DW01,
Sony ACX565AKM, Toppoly TD028TTEC1 Toppoly TD043MTEA1
i915:
- Initial tigerlake platform support
- Locking simplification work, general all over refactoring.
- Selftests
- HDCP debug info improvements
- DSI properties
- Icelake display PLL fixes, colorspace fixes, bandwidth fixes, DSI
suspend/resume
- GuC fixes
- Perf fixes
- ElkhartLake enablement
- DP MST fixes
- GVT - command parser enhancements
amdgpu:
- add wipe memory on release flag for buffer creation
- Navi12/14 support (may be marked experimental)
- Arcturus support
- Renoir APU support
- mclk DPM for Navi
- DC display fixes
- Raven scatter/gather support
- RAS support for GFX
- Navi12 + Arcturus power features
- GPU reset for Picasso
- smu11 i2c controller support
amdkfd:
- navi12/14 support
- Arcturus support
radeon:
- kexec fix
nouveau:
- improved display color management
- detect lack of GPU power cables
vmwgfx:
- evicition priority support
- remove unused security feature
msm:
- msm8998 display support
- better async commit support for cursor updates
etnaviv:
- per-process address space support
- performance counter fixes
- softpin support
mcde:
- DCS transfers fix
exynos:
- drmP.h cleanup
lima:
- reduce logging
kirin:
- misc clenaups
komeda:
- dual-link support
- DT memory regions
hisilicon:
- misc fixes
imx:
- IPUv3 image converter fixes
- 32-bit RGB V4L2 pixel format support
ingenic:
- more support for panel related cases
mgag200:
- cursor support fix
panfrost:
- export GPU features register to userspace
- gpu heap allocations
- per-fd address space support
pl111:
- CLD pads wiring support removed from DT
rockchip:
- rework to use DRM PSR helpers
- fix bug in VOP_WIN_GET macro
- DSI DT binding rework
sun4i:
- improve support for color encoding and range
- DDC enabled GPIO
tinydrm:
- rework SPI support
- improve MIPI-DBI support
- moved to drm/tiny
vkms:
- rework CRC tracking
dw-hdmi:
- get_eld and i2s improvements
gm12u320:
- misc fixes
meson:
- global code cleanup
- vpu feature detect
omap:
- alpha/pixel blend mode properties
rcar-du:
- misc fixes"
* tag 'drm-next-2019-09-18' of git://anongit.freedesktop.org/drm/drm: (2112 commits)
drm/nouveau/bar/gm20b: Avoid BAR1 teardown during init
drm/nouveau: Fix ordering between TTM and GEM release
drm/nouveau/prime: Extend DMA reservation object lock
drm/nouveau: Fix fallout from reservation object rework
drm/nouveau/kms/nv50-: Don't create MSTMs for eDP connectors
drm/i915: Use NOEVICT for first pass on attemping to pin a GGTT mmap
drm/i915: to make vgpu ppgtt notificaiton as atomic operation
drm/i915: Flush the existing fence before GGTT read/write
drm/i915: Hold irq-off for the entire fake lock period
drm/i915/gvt: update RING_START reg of vGPU when the context is submitted to i915
drm/i915/gvt: update vgpu workload head pointer correctly
drm/mcde: Fix DSI transfers
drm/msm: Use the correct dma_sync calls harder
drm/msm: remove unlikely() from WARN_ON() conditions
drm/msm/dsi: Fix return value check for clk_get_parent
drm/msm: add atomic traces
drm/msm/dpu: async commit support
drm/msm: async commit support
drm/msm: split power control from prepare/complete_commit
drm/msm: add kms->flush_commit()
...
|
||
|
Linus Torvalds
|
c6cfaf4f86 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: - input core allows hardware drivers to specify a [more precise] timestamp (normally taken in top half) to better track velocity of contacts - input_dev instances now support "polling" mode so that drivers could use the same object for polled and interrupt-driven operation. The plan is to convert existing drivers and retire input_polled_dev API - a new driver for the FlySky FS-iA6B RC receiver - a refresh of BU21013 touchpad driver - w90x900 keyboard and touchpad drivers are removed as the platform is gone - assorted fixes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits) Input: sidewinder - make array seq static const, makes object smaller Input: reset device timestamp on sync Input: bu21013_ts - switch to using standard touchscreen properties Input: bu21013_ts - switch to using MT-B (slotted) protocol Input: bu21013_ts - fix suspend when wake source Input: bu21013_ts - use interrupt from I2C client Input: bu21013_ts - remove support for platform data Input: bu21013_ts - convert to using managed resources Input: bu21013_ts - remove useless comments Input: bu21013_ts - annotate supend/resume methods as __maybe_unused Input: bu21013_ts - rename some variables Input: bu21013_ts - convert to use GPIO descriptors ARM: ux500: improve BU21013 touchpad bindings Input: i8042 - enable wakeup on a stable struct device Input: soc_button_array - use platform_device_register_resndata() Input: psmouse - drop all unneeded functions from mouse headers Input: add support for polling to input devices Input: wacom_w8001 - allocate additional space for 'phys' Input: cros_ec_keyb - add back missing mask for event_type Input: remove dev_err() usage after platform_get_irq() ... |
||
|
Alexei Starovoitov
|
a0791f0df7 |
bpf: fix BTF limits
vmlinux BTF has more than 64k types.
Its string section is also at the offset larger than 64k.
Adjust both limits to make in-kernel BTF verifier successfully parse in-kernel BTF.
Fixes:
|
||
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Linus Torvalds
|
7d14df2d28 |
for-5.4-tag
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Merge tag 'for-5.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This continues with work on code refactoring, sanity checks and space
handling. There are some less user visible changes, nothing that would
particularly stand out.
User visible changes:
- tree checker, more sanity checks of:
- ROOT_ITEM (key, size, generation, level, alignment, flags)
- EXTENT_ITEM and METADATA_ITEM checks (key, size, offset,
alignment, refs)
- tree block reference items
- EXTENT_DATA_REF (key, hash, offset)
- deprecate flag BTRFS_SUBVOL_CREATE_ASYNC for subvolume creation
ioctl, scheduled removal in 5.7
- delete stale and unused UAPI definitions
BTRFS_DEV_REPLACE_ITEM_STATE_*
- improved export of debugging information available via existing
sysfs directory structure
- try harder to delete relations between qgroups and allow to delete
orphan entries
- remove unreliable space checks before relocation starts
Core:
- space handling:
- improved ticket reservations and other high level logic in
order to remove special cases
- factor flushing infrastructure and use it for different
contexts, allows to remove some special case handling
- reduce metadata reservation when only updating inodes
- reduce global block reserve minimum size (affects small
filesystems)
- improved overcommit logic wrt global block reserve
- tests:
- fix memory leaks in extent IO tree
- catch all TRIM range
Fixes:
- fix ENOSPC errors, leading to transaction aborts, when cloning
extents
- several fixes for inode number cache (mount option inode_cache)
- fix potential soft lockups during send when traversing large trees
- fix unaligned access to space cache pages with SLUB debug on
(PowerPC)
Other:
- refactoring public/private functions, moving to new or more
appropriate files
- defines converted to enums
- error handling improvements
- more assertions and comments
- old code deletion"
* tag 'for-5.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (138 commits)
btrfs: Relinquish CPUs in btrfs_compare_trees
btrfs: Don't assign retval of btrfs_try_tree_write_lock/btrfs_tree_read_lock_atomic
btrfs: create structure to encode checksum type and length
btrfs: turn checksum type define into an enum
btrfs: add enospc debug messages for ticket failure
btrfs: do not account global reserve in can_overcommit
btrfs: use btrfs_try_granting_tickets in update_global_rsv
btrfs: always reserve our entire size for the global reserve
btrfs: change the minimum global reserve size
btrfs: rename btrfs_space_info_add_old_bytes
btrfs: remove orig_bytes from reserve_ticket
btrfs: fix may_commit_transaction to deal with no partial filling
btrfs: rework wake_all_tickets
btrfs: refactor the ticket wakeup code
btrfs: stop partially refilling tickets when releasing space
btrfs: add space reservation tracepoint for reserved bytes
btrfs: roll tracepoint into btrfs_space_info_update helper
btrfs: do not allow reservations if we have pending tickets
btrfs: stop clearing EXTENT_DIRTY in inode I/O tree
btrfs: treat RWF_{,D}SYNC writes as sync for CRCs
...
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||
|
Linus Torvalds
|
f60c55a94e |
fs-verity for 5.4
Please consider pulling fs-verity for 5.4.
fs-verity is a filesystem feature that provides Merkle tree based
hashing (similar to dm-verity) for individual readonly files, mainly for
the purpose of efficient authenticity verification.
This pull request includes:
(a) The fs/verity/ support layer and documentation.
(b) fs-verity support for ext4 and f2fs.
Compared to the original fs-verity patchset from last year, the UAPI to
enable fs-verity on a file has been greatly simplified. Lots of other
things were cleaned up too.
fs-verity is planned to be used by two different projects on Android;
most of the userspace code is in place already. Another userspace tool
("fsverity-utils"), and xfstests, are also available. e2fsprogs and
f2fs-tools already have fs-verity support. Other people have shown
interest in using fs-verity too.
I've tested this on ext4 and f2fs with xfstests, both the existing tests
and the new fs-verity tests. This has also been in linux-next since
July 30 with no reported issues except a couple minor ones I found
myself and folded in fixes for.
Ted and I will be co-maintaining fs-verity.
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Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fs-verity support from Eric Biggers:
"fs-verity is a filesystem feature that provides Merkle tree based
hashing (similar to dm-verity) for individual readonly files, mainly
for the purpose of efficient authenticity verification.
This pull request includes:
(a) The fs/verity/ support layer and documentation.
(b) fs-verity support for ext4 and f2fs.
Compared to the original fs-verity patchset from last year, the UAPI
to enable fs-verity on a file has been greatly simplified. Lots of
other things were cleaned up too.
fs-verity is planned to be used by two different projects on Android;
most of the userspace code is in place already. Another userspace tool
("fsverity-utils"), and xfstests, are also available. e2fsprogs and
f2fs-tools already have fs-verity support. Other people have shown
interest in using fs-verity too.
I've tested this on ext4 and f2fs with xfstests, both the existing
tests and the new fs-verity tests. This has also been in linux-next
since July 30 with no reported issues except a couple minor ones I
found myself and folded in fixes for.
Ted and I will be co-maintaining fs-verity"
* tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
f2fs: add fs-verity support
ext4: update on-disk format documentation for fs-verity
ext4: add fs-verity read support
ext4: add basic fs-verity support
fs-verity: support builtin file signatures
fs-verity: add SHA-512 support
fs-verity: implement FS_IOC_MEASURE_VERITY ioctl
fs-verity: implement FS_IOC_ENABLE_VERITY ioctl
fs-verity: add data verification hooks for ->readpages()
fs-verity: add the hook for file ->setattr()
fs-verity: add the hook for file ->open()
fs-verity: add inode and superblock fields
fs-verity: add Kconfig and the helper functions for hashing
fs: uapi: define verity bit for FS_IOC_GETFLAGS
fs-verity: add UAPI header
fs-verity: add MAINTAINERS file entry
fs-verity: add a documentation file
|