The configuration of the OCTEONTX XCV_DLL_CTL register via
xcv_init_hw() is such that the RGMII RX delay is bypassed
leaving the RGMII TX delay enabled in the MAC:
/* Configure DLL - enable or bypass
* TX no bypass, RX bypass
*/
cfg = readq_relaxed(xcv->reg_base + XCV_DLL_CTL);
cfg &= ~0xFF03;
cfg |= CLKRX_BYP;
writeq_relaxed(cfg, xcv->reg_base + XCV_DLL_CTL);
This would coorespond to a interface type of PHY_INTERFACE_MODE_RGMII_RXID
and not PHY_INTERFACE_MODE_RGMII.
Fixing this allows RGMII PHY drivers to do the right thing (enable
RX delay in the PHY) instead of erroneously enabling both delays in the
PHY.
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
First set of fixes for v5.6. Buffer overflow fixes to mwifiex, quite a
few functionality fixes to iwlwifi and smaller fixes to other drivers.
mwifiex
* fix an unlock from a previous security fix
* fix two buffer overflows
libertas
* fix two bugs from previous security fixes
iwlwifi
* fix module removal with multiple NICs
* don't treat IGTK removal failure as an error
* avoid FW crashes due to DTS measurement races
* fix a potential use after free in FTM code
* prevent a NULL pointer dereference in iwl_mvm_cfg_he_sta()
* fix TDLS discovery
* check all CPUs when trying to detect an error during resume
rtw88
* fix clang warning
mt76
* fix reading of max_nss value from a register
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Merge tag 'wireless-drivers-2020-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for v5.6
First set of fixes for v5.6. Buffer overflow fixes to mwifiex, quite a
few functionality fixes to iwlwifi and smaller fixes to other drivers.
mwifiex
* fix an unlock from a previous security fix
* fix two buffer overflows
libertas
* fix two bugs from previous security fixes
iwlwifi
* fix module removal with multiple NICs
* don't treat IGTK removal failure as an error
* avoid FW crashes due to DTS measurement races
* fix a potential use after free in FTM code
* prevent a NULL pointer dereference in iwl_mvm_cfg_he_sta()
* fix TDLS discovery
* check all CPUs when trying to detect an error during resume
rtw88
* fix clang warning
mt76
* fix reading of max_nss value from a register
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann says:
====================
pull-request: bpf 2020-02-07
The following pull-request contains BPF updates for your *net* tree.
We've added 15 non-merge commits during the last 10 day(s) which contain
a total of 12 files changed, 114 insertions(+), 31 deletions(-).
The main changes are:
1) Various BPF sockmap fixes related to RCU handling in the map's tear-
down code, from Jakub Sitnicki.
2) Fix macro state explosion in BPF sk_storage map when calculating its
bucket_log on allocation, from Martin KaFai Lau.
3) Fix potential BPF sockmap update race by rechecking socket's established
state under lock, from Lorenz Bauer.
4) Fix crash in bpftool on missing xlated instructions when kptr_restrict
sysctl is set, from Toke Høiland-Jørgensen.
5) Fix i40e's XSK wakeup code to return proper error in busy state and
various misc fixes in xdpsock BPF sample code, from Maciej Fijalkowski.
6) Fix the way modifiers are skipped in BTF in the verifier while walking
pointers to avoid program rejection, from Alexei Starovoitov.
7) Fix Makefile for runqslower BPF tool to i) rebuild on libbpf changes and
ii) to fix undefined reference linker errors for older gcc version due to
order of passed gcc parameters, from Yulia Kartseva and Song Liu.
8) Fix a trampoline_count BPF kselftest warning about missing braces around
initializer, from Andrii Nakryiko.
9) Fix up redundant "HAVE" prefix from large INSN limit kernel probe in
bpftool, from Michal Rostecki.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When CONFIG_PROVE_LOCKING is selected together with (now default)
CONFIG_VMAP_STACK, kernel enter deadlock during boot.
At the point of checking whether interrupts are enabled or not, the
value of MSR saved on stack is read using the physical address of the
stack. But at this point, when using VMAP stack the DATA MMU
translation has already been re-enabled, leading to deadlock.
Don't use the physical address of the stack when
CONFIG_VMAP_STACK is set.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 028474876f ("powerpc/32: prepare for CONFIG_VMAP_STACK")
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/daeacdc0dec0416d1c587cc9f9e7191ad3068dc0.1581095957.git.christophe.leroy@c-s.fr
The early versions of our kernel user access prevention (KUAP) were
written by Russell and Christophe, and didn't have separate
read/write access.
At some point I picked up the series and added the read/write access,
but I failed to update the usages in futex.h to correctly allow read
and write.
However we didn't notice because of another bug which was causing the
low-level code to always enable read and write. That bug was fixed
recently in commit 1d8f739b07 ("powerpc/kuap: Fix set direction in
allow/prevent_user_access()").
futex_atomic_cmpxchg_inatomic() is passed the user address as %3 and
does:
1: lwarx %1, 0, %3
cmpw 0, %1, %4
bne- 3f
2: stwcx. %5, 0, %3
Which clearly loads and stores from/to %3. The logic in
arch_futex_atomic_op_inuser() is similar, so fix both of them to use
allow_read_write_user().
Without this fix, and with PPC_KUAP_DEBUG=y, we see eg:
Bug: Read fault blocked by AMR!
WARNING: CPU: 94 PID: 149215 at arch/powerpc/include/asm/book3s/64/kup-radix.h:126 __do_page_fault+0x600/0xf30
CPU: 94 PID: 149215 Comm: futex_requeue_p Tainted: G W 5.5.0-rc7-gcc9x-g4c25df5640ae #1
...
NIP [c000000000070680] __do_page_fault+0x600/0xf30
LR [c00000000007067c] __do_page_fault+0x5fc/0xf30
Call Trace:
[c00020138e5637e0] [c00000000007067c] __do_page_fault+0x5fc/0xf30 (unreliable)
[c00020138e5638c0] [c00000000000ada8] handle_page_fault+0x10/0x30
--- interrupt: 301 at cmpxchg_futex_value_locked+0x68/0xd0
LR = futex_lock_pi_atomic+0xe0/0x1f0
[c00020138e563bc0] [c000000000217b50] futex_lock_pi_atomic+0x80/0x1f0 (unreliable)
[c00020138e563c30] [c00000000021b668] futex_requeue+0x438/0xb60
[c00020138e563d60] [c00000000021c6cc] do_futex+0x1ec/0x2b0
[c00020138e563d90] [c00000000021c8b8] sys_futex+0x128/0x200
[c00020138e563e20] [c00000000000b7ac] system_call+0x5c/0x68
Fixes: de78a9c42a ("powerpc: Add a framework for Kernel Userspace Access Protection")
Cc: stable@vger.kernel.org # v5.2+
Reported-by: syzbot+e808452bad7c375cbee6@syzkaller-ppc64.appspotmail.com
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Link: https://lore.kernel.org/r/20200207122145.11928-1-mpe@ellerman.id.au
V{PEND,PROP}BASER registers are actually located in VLPI_base frame
of the *redistributor*. Rename their accessors to reflect this fact.
No functional changes.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-7-yuzenghui@huawei.com
"ITS virtual pending table not cleaning" is already complained inside
its_clear_vpend_valid(), there's no need to trigger a WARN_ON again.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-6-yuzenghui@huawei.com
In GICv4, we will ensure that level2 vPE table memory is allocated
for the specified vpe_id on all v4 ITS, in its_alloc_vpe_table().
This still works well for the typical GICv4.1 implementation, where
the new vPE table is shared between the ITSs and the RDs.
To make it explicit, let us introduce allocate_vpe_l2_table() to
make sure that the L2 tables are allocated on all v4.1 RDs. We're
likely not need to allocate memory in it because the vPE table is
shared and (L2 table is) already allocated at ITS level, except
for the case where the ITS doesn't share anything (say SVPET == 0,
practically unlikely but architecturally allowed).
The implementation of allocate_vpe_l2_table() is mostly copied from
its_alloc_table_entry().
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-4-yuzenghui@huawei.com
Currently, we will not set vpe_l1_page for the current RD if we can
inherit the vPE configuration table from another RD (or ITS), which
results in an inconsistency between RDs within the same CommonLPIAff
group.
Let's rename it to vpe_l1_base to indicate the base address of the
vPE configuration table of this RD, and set it properly for *all*
v4.1 redistributors.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-3-yuzenghui@huawei.com
The Size field of GICv4.1 VPROPBASER register indicates number of
pages minus one and together Page_Size and Size control the vPEID
width. Let's respect this requirement of the architecture.
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200206075711.1275-2-yuzenghui@huawei.com
Fix u8 cast reading max_nss from MT_TOP_STRAP_STA register in
mt7615_eeprom_parse_hw_cap routine
Fixes: acf5457fd9 ("mt76: mt7615: read {tx,rx} mask from eeprom")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Merge tag 'fuse-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
- Fix a regression introduced in v5.1 that triggers WARNINGs for some
fuse filesystems
- Fix an xfstest failure
- Allow overlayfs to be used on top of fuse/virtiofs
- Code and documentation cleanups
* tag 'fuse-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: use true,false for bool variable
Documentation: filesystems: convert fuse to RST
fuse: Support RENAME_WHITEOUT flag
fuse: don't overflow LLONG_MAX with end offset
fix up iter on short count in fuse_direct_io()
- Fix a bug in Abhi Das's journal head lookup improvements that can cause a
valid journal to be rejected.
- Fix an O_SYNC write handling bug reported by Christoph Hellwig.
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Merge tag 'gfs2-for-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 fixes from Andreas Gruenbacher:
- Fix a bug in Abhi Das's journal head lookup improvements that can
cause a valid journal to be rejected.
- Fix an O_SYNC write handling bug reported by Christoph Hellwig.
* tag 'gfs2-for-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: fix O_SYNC write handling
gfs2: move setting current->backing_dev_info
gfs2: fix gfs2_find_jhead that returns uninitialized jhead with seq 0
Vasliy Averin noticed that "if seq_file .next function does not change
position index, read after some lseek can generate unexpected output."
and sent in this fix.
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Merge tag 'for-linus-5.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs fix from Mike Marshall:
"Debugfs fix for orangefs.
Vasliy Averin noticed that 'if seq_file .next function does not change
position index, read after some lseek can generate unexpected output'
and sent in this fix"
* tag 'for-linus-5.6-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
help_next should increase position index
- Server-to-server copy code from Olga. To use it, client and
both servers must have support, the target server must be able
to access the source server over NFSv4.2, and the target
server must have the inter_copy_offload_enable module
parameter set.
- Improvements and bugfixes for the new filehandle cache,
especially in the container case, from Trond
- Also from Trond, better reporting of write errors.
- Y2038 work from Arnd.
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Merge tag 'nfsd-5.6' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"Highlights:
- Server-to-server copy code from Olga.
To use it, client and both servers must have support, the target
server must be able to access the source server over NFSv4.2, and
the target server must have the inter_copy_offload_enable module
parameter set.
- Improvements and bugfixes for the new filehandle cache, especially
in the container case, from Trond
- Also from Trond, better reporting of write errors.
- Y2038 work from Arnd"
* tag 'nfsd-5.6' of git://linux-nfs.org/~bfields/linux: (55 commits)
sunrpc: expiry_time should be seconds not timeval
nfsd: make nfsd_filecache_wq variable static
nfsd4: fix double free in nfsd4_do_async_copy()
nfsd: convert file cache to use over/underflow safe refcount
nfsd: Define the file access mode enum for tracing
nfsd: Fix a perf warning
nfsd: Ensure sampling of the write verifier is atomic with the write
nfsd: Ensure sampling of the commit verifier is atomic with the commit
sunrpc: clean up cache entry add/remove from hashtable
sunrpc: Fix potential leaks in sunrpc_cache_unhash()
nfsd: Ensure exclusion between CLONE and WRITE errors
nfsd: Pass the nfsd_file as arguments to nfsd4_clone_file_range()
nfsd: Update the boot verifier on stable writes too.
nfsd: Fix stable writes
nfsd: Allow nfsd_vfs_write() to take the nfsd_file as an argument
nfsd: Fix a soft lockup race in nfsd_file_mark_find_or_create()
nfsd: Reduce the number of calls to nfsd_file_gc()
nfsd: Schedule the laundrette regularly irrespective of file errors
nfsd: Remove unused constant NFSD_FILE_LRU_RESCAN
nfsd: Containerise filecache laundrette
...
Stable bugfixes:
- Fix memory leaks and corruption in readdir # v2.6.37+
- Directory page cache needs to be locked when read # v2.6.37+
New features:
- Convert NFS to use the new mount API
- Add "softreval" mount option to let clients use cache if server goes down
- Add a config option to compile without UDP support
- Limit the number of inactive delegations the client can cache at once
- Improved readdir concurrency using iterate_shared()
Other bugfixes and cleanups:
- More 64-bit time conversions
- Add additional diagnostic tracepoints
- Check for holes in swapfiles, and add dependency on CONFIG_SWAP
- Various xprtrdma cleanups to prepare for 5.7's changes
- Several fixes for NFS writeback and commit handling
- Fix acls over krb5i/krb5p mounts
- Recover from premature loss of openstateids
- Fix NFS v3 chacl and chmod bug
- Compare creds using cred_fscmp()
- Use kmemdup_nul() in more places
- Optimize readdir cache page invalidation
- Lease renewal and recovery fixes
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Merge tag 'nfs-for-5.6-1' of git://git.linux-nfs.org/projects/anna/linux-nfs
Puyll NFS client updates from Anna Schumaker:
"Stable bugfixes:
- Fix memory leaks and corruption in readdir # v2.6.37+
- Directory page cache needs to be locked when read # v2.6.37+
New features:
- Convert NFS to use the new mount API
- Add "softreval" mount option to let clients use cache if server goes down
- Add a config option to compile without UDP support
- Limit the number of inactive delegations the client can cache at once
- Improved readdir concurrency using iterate_shared()
Other bugfixes and cleanups:
- More 64-bit time conversions
- Add additional diagnostic tracepoints
- Check for holes in swapfiles, and add dependency on CONFIG_SWAP
- Various xprtrdma cleanups to prepare for 5.7's changes
- Several fixes for NFS writeback and commit handling
- Fix acls over krb5i/krb5p mounts
- Recover from premature loss of openstateids
- Fix NFS v3 chacl and chmod bug
- Compare creds using cred_fscmp()
- Use kmemdup_nul() in more places
- Optimize readdir cache page invalidation
- Lease renewal and recovery fixes"
* tag 'nfs-for-5.6-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (93 commits)
NFSv4.0: nfs4_do_fsinfo() should not do implicit lease renewals
NFSv4: try lease recovery on NFS4ERR_EXPIRED
NFS: Fix memory leaks
nfs: optimise readdir cache page invalidation
NFS: Switch readdir to using iterate_shared()
NFS: Use kmemdup_nul() in nfs_readdir_make_qstr()
NFS: Directory page cache pages need to be locked when read
NFS: Fix memory leaks and corruption in readdir
SUNRPC: Use kmemdup_nul() in rpc_parse_scope_id()
NFS: Replace various occurrences of kstrndup() with kmemdup_nul()
NFSv4: Limit the total number of cached delegations
NFSv4: Add accounting for the number of active delegations held
NFSv4: Try to return the delegation immediately when marked for return on close
NFS: Clear NFS_DELEGATION_RETURN_IF_CLOSED when the delegation is returned
NFSv4: nfs_inode_evict_delegation() should set NFS_DELEGATION_RETURNING
NFS: nfs_find_open_context() should use cred_fscmp()
NFS: nfs_access_get_cached_rcu() should use cred_fscmp()
NFSv4: pnfs_roc() must use cred_fscmp() to compare creds
NFS: remove unused macros
nfs: Return EINVAL rather than ERANGE for mount parse errors
...
It was reported that the max_t, ilog2, and roundup_pow_of_two macros have
exponential effects on the number of states in the sparse checker.
This patch breaks them up by calculating the "nbuckets" first so that the
"bucket_log" only needs to take ilog2().
In addition, Linus mentioned:
Patch looks good, but I'd like to point out that it's not just sparse.
You can see it with a simple
make net/core/bpf_sk_storage.i
grep 'smap->bucket_log = ' net/core/bpf_sk_storage.i | wc
and see the end result:
1 365071 2686974
That's one line (the assignment line) that is 2,686,974 characters in
length.
Now, sparse does happen to react particularly badly to that (I didn't
look to why, but I suspect it's just that evaluating all the types
that don't actually ever end up getting used ends up being much more
expensive than it should be), but I bet it's not good for gcc either.
Fixes: 6ac99e8f23 ("bpf: Introduce bpf sk local storage")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Link: https://lore.kernel.org/bpf/20200207081810.3918919-1-kafai@fb.com
Commit 7e81a35302 ("bpf: Sockmap, ensure sock lock held during tear
down") introduced sleeping issues inside RCU critical sections and while
holding a spinlock on sockmap/sockhash tear-down. There has to be at least
one socket in the map for the problem to surface.
This adds a test that triggers the warnings for broken locking rules. Not a
fix per se, but rather tooling to verify the accompanying fixes. Run on a
VM with 1 vCPU to reproduce the warnings.
Fixes: 7e81a35302 ("bpf: Sockmap, ensure sock lock held during tear down")
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20200206111652.694507-4-jakub@cloudflare.com
We need to have a synchronize_rcu before free'ing the sockhash because any
outstanding psock references will have a pointer to the map and when they
use it, this could trigger a use after free.
This is a sister fix for sockhash, following commit 2bb90e5cc9 ("bpf:
sockmap, synchronize_rcu before free'ing map") which addressed sockmap,
which comes from a manual audit.
Fixes: 604326b41a ("bpf, sockmap: convert to generic sk_msg interface")
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20200206111652.694507-3-jakub@cloudflare.com
Turns out the xlated program instructions can also be missing if
kptr_restrict sysctl is set. This means that the previous fix to check the
jited_prog_insns pointer was insufficient; add another check of the
xlated_prog_insns pointer as well.
Fixes: 5b79bcdf03 ("bpftool: Don't crash on missing jited insns or ksyms")
Fixes: cae73f2339 ("bpftool: use bpf_program__get_prog_info_linear() in prog.c:do_dump()")
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Quentin Monnet <quentin@isovalent.com>
Link: https://lore.kernel.org/bpf/20200206102906.112551-1-toke@redhat.com
It's currently possible to insert sockets in unexpected states into
a sockmap, due to a TOCTTOU when updating the map from a syscall.
sock_map_update_elem checks that sk->sk_state == TCP_ESTABLISHED,
locks the socket and then calls sock_map_update_common. At this
point, the socket may have transitioned into another state, and
the earlier assumptions don't hold anymore. Crucially, it's
conceivable (though very unlikely) that a socket has become unhashed.
This breaks the sockmap's assumption that it will get a callback
via sk->sk_prot->unhash.
Fix this by checking the (fixed) sk_type and sk_protocol without the
lock, followed by a locked check of sk_state.
Unfortunately it's not possible to push the check down into
sock_(map|hash)_update_common, since BPF_SOCK_OPS_PASSIVE_ESTABLISHED_CB
run before the socket has transitioned from TCP_SYN_RECV into
TCP_ESTABLISHED.
Fixes: 604326b41a ("bpf, sockmap: convert to generic sk_msg interface")
Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20200207103713.28175-1-lmb@cloudflare.com
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Merge tag 'docs-5.6-2' of git://git.lwn.net/linux
Pull Documentation fixes from Jonathan Corbet:
"A handful of small documentation fixes that wandered in"
* tag 'docs-5.6-2' of git://git.lwn.net/linux:
Allow git builds of Sphinx
Documentation: changes.rst: update several outdated project URLs
Documentation: build warnings related to missing blank lines after explicit markups has been fixed
mailmap: add entry for Tiezhu Yang
Documentation/ko_KR/howto: Update a broken link
Documentation/ko_KR/howto: Update broken web addresses
docs/locking: Fix outdated section names
Pull i2c updates from Wolfram Sang:
"i2c core:
- huge improvements and refactorizations of the Linux I2C
documentation (lots of thanks to Luca for doing it and Jean for the
careful review)
- subsystem wide API conversion to i2c_new_client_device()
- remove obsolete parport-light driver
- smaller core updates (removal of 'extern', enabling more compile
testing, use more helper macros)
- and quite a bunch of driver updates (new IDs, simplifications,
better PM, support of atomic transfers and other improvements)
i2c-mux:
- The main feature is the idle-state rework of the pca954x driver
from Biwen Li
at24 driver:
- minor maintenance: update the license tag, sort headers
- move support for the write-protect pin into nvmem core
- add a reference to the new wp-gpios property in nvmem to at25
bindings
- add support for regulator and pm_runtime control"
* 'i2c/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (91 commits)
i2c: cros-ec-tunnel: Fix ACPI identifier
i2c: cros-ec-tunnel: Fix slave device enumeration
i2c: stm32f7: add PM_SLEEP suspend/resume support
i2c: cadence: Fix wording in i2c-cadence driver
i2c: cadence: Fix power management order of operations
i2c: cadence: Fix error printing in case of defer
i2c: cadence: Handle transfer_size rollover
i2c: i801: Add support for Intel Comet Lake PCH-V
docs: i2c: writing-clients: properly name the stop condition
docs: i2c: i2c-protocol: use same wording as smbus-protocol
docs: i2c: rename sections so the overall picture is clearer
docs: i2c: old-module-parameters: use monospace instead of ""
docs: i2c: old-module-parameters: clarify this is for obsolete kernels
docs: i2c: old-module-parameters: fix internal hyperlink
docs: i2c: instantiating-devices: use monospace for sysfs attributes
docs: i2c: instantiating-devices: rearrange static instatiation
docs: i2c: instantiating-devices: fix internal hyperlink
docs: i2c: smbus-protocol: improve I2C Block transactions description
docs: i2c: smbus-protocol: fix punctuation
docs: i2c: smbus-protocol: fix typo
...
Add Hisilicon Hip08-Lite I2C controller clock frequency support
to the ACPI driver for AMD SoCs (APD) and to the Designware I2C
driver (Hanjun Guo).
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Merge tag 'acpi-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"Add Hisilicon Hip08-Lite I2C controller clock frequency support to the
ACPI driver for AMD SoCs (APD) and to the Designware I2C driver
(Hanjun Guo)"
* tag 'acpi-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
i2c: designware: Add ACPI HID for Hisilicon Hip08-Lite I2C controller
ACPI / APD: Add clock frequency for Hisilicon Hip08-Lite I2C controller
Update the recently merged CPR (Core Power Reduction) support in the
AVS (Adaptive Voltage Scaling) subsystem (Brendan Higgins, Nathan
Chancellor, Niklas Cassel) and the rockchip-io AVS driver (Heiko
Stuebner), add two more module parameters to intel_idle on top of the
recently merged material, clean up a piece of cpuidle documentation
and consolidate system sleep states documentation (Rafael Wysocki).
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Merge tag 'pm-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
- Update the recently merged CPR (Core Power Reduction) support in the
AVS (Adaptive Voltage Scaling) subsystem (Brendan Higgins, Nathan
Chancellor, Niklas Cassel)
- Update the rockchip-io AVS driver (Heiko Stuebner)
- Add two more module parameters to intel_idle on top of the recently
merged material (Rafael Wysocki)
- Clean up a piece of cpuidle documentation and consolidate system
sleep states documentation (Rafael Wysocki)
* tag 'pm-5.6-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: Documentation: Clean up PM QoS description
Documentation: admin-guide: PM: Update sleep states documentation
intel_idle: Introduce 'states_off' module parameter
intel_idle: Introduce 'use_acpi' module parameter
power: avs: qcom-cpr: Avoid clang -Wsometimes-uninitialized in cpr_scale
power: avs: qcom-cpr: add unspecified HAS_IOMEM dependency
PM / AVS: rockchip-io: fix the supply naming for the emmc supply on px30
power: avs: qcom-cpr: add a printout after the driver has been initialized
tegra:
- merge window regression fixes
nouveau:
- couple of volta/turing modesetting fixes
amdgpu:
- EDC fixes for Arcturus
- GDDR6 memory training fixe
- Fix for reading gfx clockgating registers while in GFXOFF state
- i2c freq fixes
- Misc display fixes
- TLB invalidation fix when using semaphores
- VCN 2.5 instancing fixes
- Switch raven1 gfxoff to a blacklist
- Coreboot workaround for KV/KB
- Root cause dongle fixes for display and revert workaround
- Enable GPU reset for renoir and navi
- Navi overclocking fixes
- Fix up confusing warnings in display clock validation on raven
amdkfd:
- SDMA fix
radeon:
- Misc LUT fixes
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Merge tag 'drm-next-2020-02-07' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Just some fixes for this merge window: the tegra changes fix some
regressions in the merge, nouveau has a few modesetting fixes.
The amdgpu fixes are bit bigger, but they contain a couple of weeks of
fixes, and don't seem to contain anything that isn't really a fix.
Summary:
tegra:
- merge window regression fixes
nouveau:
- couple of volta/turing modesetting fixes
amdgpu:
- EDC fixes for Arcturus
- GDDR6 memory training fixe
- Fix for reading gfx clockgating registers while in GFXOFF state
- i2c freq fixes
- Misc display fixes
- TLB invalidation fix when using semaphores
- VCN 2.5 instancing fixes
- Switch raven1 gfxoff to a blacklist
- Coreboot workaround for KV/KB
- Root cause dongle fixes for display and revert workaround
- Enable GPU reset for renoir and navi
- Navi overclocking fixes
- Fix up confusing warnings in display clock validation on raven
amdkfd:
- SDMA fix
radeon:
- Misc LUT fixes"
* tag 'drm-next-2020-02-07' of git://anongit.freedesktop.org/drm/drm: (90 commits)
gpu: host1x: Set DMA direction only for DMA-mapped buffer objects
drm/tegra: Reuse IOVA mapping where possible
drm/tegra: Relax IOMMU usage criteria on old Tegra
drm/amd/dm/mst: Ignore payload update failures
drm/amdgpu: update default voltage for boot od table for navi1x
drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_voltage
drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_latency
drm/amdgpu/display: handle multiple numbers of fclks in dcn_calcs.c (v2)
drm/amdgpu: fetch default VDDC curve voltages (v2)
drm/amdgpu/smu_v11_0: Correct behavior of restoring default tables (v2)
drm/amdgpu/navi10: add OD_RANGE for navi overclocking
drm/amdgpu/navi: fix index for OD MCLK
drm/amd/display: Fix HW/SW state mismatch
drm/amd/display: Fix a typo when computing dsc configuration
drm/amd/powerplay: fix navi10 system intermittent reboot issue V2
drm/amdkfd: Fix a bug in SDMA RLC queue counting under HWS mode
drm/amd/display: Only enable cursor on pipes that need it
drm/nouveau/kms/gv100-: avoid sending a core update until the first modeset
drm/nouveau/kms/gv100-: move window ownership setup into modesetting path
drm/nouveau/disp/gv100-: halt NV_PDISP_FE_RM_INTR_STAT_CTRL_DISP_ERROR storms
...
- Make of_clk.h self contained
- Fix new qcom DT bindings that just merged to match the DTS files
- Fix qcom clk driver to properly detect DFS clk frequencies
- Fix the ls1028a driver to not deref a pointer before assigning it
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A collection of fixes:
- Make of_clk.h self contained
- Fix new qcom DT bindings that just merged to match the DTS files
- Fix qcom clk driver to properly detect DFS clk frequencies
- Fix the ls1028a driver to not deref a pointer before assigning it"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
of: clk: Make <linux/of_clk.h> self-contained
clk: qcom: Use ARRAY_SIZE in videocc-sc7180 for parent clocks
clk: qcom: Get rid of the test clock for videocc-sc7180
dt-bindings: clock: Cleanup qcom,videocc bindings for sdm845/sc7180
clk: qcom: Use ARRAY_SIZE in gpucc-sc7180 for parent clocks
clk: qcom: Get rid of the test clock for gpucc-sc7180
dt-bindings: clock: Fix qcom,gpucc bindings for sdm845/sc7180/msm8998
clk: qcom: Use ARRAY_SIZE in dispcc-sc7180 for parent clocks
clk: qcom: Get rid of the test clock for dispcc-sc7180
clk: qcom: Get rid of fallback global names for dispcc-sc7180
dt-bindings: clock: Fix qcom,dispcc bindings for sdm845/sc7180
clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
clk: ls1028a: fix a dereference of pointer 'parent' before a null check
dt-bindings: clk: qcom: Fix self-validation, split, and clean cruft
clk: qcom: Don't overwrite 'cfg' in clk_rcg2_dfs_populate_freq()
There's some confusion around if an irq that's disabled with disable_irq()
can still wake the system from sleep states such as "suspend to RAM".
Clarify this in the kernel documentation for irq_set_irq_wake() so that
it's clear that an irq can be disabled and still wake the system if it has
been marked for wakeup.
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lkml.kernel.org/r/20200206191521.94559-1-swboyd@chromium.org
Some bug fixes/cleanups.
Deprecated scsi passthrough for blk removed.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
"Some bug fixes/cleanups.
The deprecated scsi passthrough for virtio_blk is removed"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_balloon: Fix memory leaks on errors in virtballoon_probe()
virtio-balloon: Fix memory leak when unloading while hinting is in progress
virtio_balloon: prevent pfn array overflow
virtio-blk: remove VIRTIO_BLK_F_SCSI support
virtio-pci: check name when counting MSI-X vectors
virtio-balloon: initialize all vq callbacks
virtio-mmio: convert to devm_platform_ioremap_resource
Don't bother with "mixed" options that would allow both the
form with and without argument (i.e. both -o foo and -o foo=bar).
Rather than trying to shove both into a single fs_parameter_spec,
allow having with-argument and no-argument specs with the same
name and teach fs_parse to handle that.
There are very few options of that sort, and they are actually
easier to handle that way - callers end up with less postprocessing.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Unused now.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
... turning it into struct p_log embedded into fs_context. Initialize
the prefix with fs_type->name, turning fs_parse() into a trivial
inline wrapper for __fs_parse().
This makes fs_parameter_description->name completely unused.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
... and now errorf() et.al. are never called with NULL fs_context,
so we can get rid of conditional in those.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs_parse() analogue taking p_log instead of fs_context.
fs_parse() turned into a wrapper, callers in ceph_common and rbd
switched to __fs_parse().
As the result, fs_parse() never gets NULL fs_context and neither
do fs_context-based logging primitives
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
