AuxXxilium/linux_dsm_epyc7002
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9f4c2b516b
linux_dsm_epyc7002/drivers
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Andrew Jeffery 9f4c2b516b fsi: core: Fix small accesses and unaligned offsets via sysfs 
Subtracting the offset delta from four-byte alignment lead to wrapping
of the requested length where `count` is less than `off`. Generalise the
length handling to enable and optimise aligned access sizes for all
offset and size combinations. The new formula produces the following
results for given offset and count values:

    offset  count | length
    --------------+-------
    0       1     | 1
    0       2     | 2
    0       3     | 2
    0       4     | 4
    0       5     | 4
    1       1     | 1
    1       2     | 1
    1       3     | 1
    1       4     | 1
    1       5     | 1
    2       1     | 1
    2       2     | 2
    2       3     | 2
    2       4     | 2
    2       5     | 2
    3       1     | 1
    3       2     | 1
    3       3     | 1
    3       4     | 1
    3       5     | 1

We might need something like this for the cfam chardevs as well, for
example we don't currently implement any alignment restrictions /
handling in the hardware master driver.

Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20191108051945.7109-6-joel@jms.id.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-11-08 11:23:40 +01:00
..
accessibility
acpi ACPI fix for 5.4-rc5 2019-10-24 15:49:32 -04:00
amba ARM updates for 5.4-rc: 2019-10-23 06:26:33 -04:00
android Merge 5.4-rc5 into char-misc-next 2019-10-27 18:48:33 +01:00
ata ata: libahci_platform: Fix regulator_get_optional() misuse 2019-10-25 14:22:20 -06:00
atm atm: he: clean up an indentation issue 2019-09-25 13:54:45 +02:00
auxdisplay It's a somewhat calmer cycle for docs this time, as the churn of the mass 2019-09-17 16:22:26 -07:00
base PM: QoS: Drop frequency QoS types from device PM QoS 2019-10-21 02:05:21 +02:00
bcma bcma: make arrays pwr_info_offset and sprom_sizes static const, shrinks object size 2019-09-13 16:44:49 +03:00
block nbd: verify socket is supported during setup 2019-10-25 14:37:21 -06:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-15 14:17:27 +02:00
bus bus: ti-sysc: Fix watchdog quirk handling 2019-10-18 08:45:32 -07:00
cdrom
char char: xillybus: use devm_platform_ioremap_resource() to simplify code 2019-11-05 18:29:21 +01:00
clk Merge tag 'fix-missing-panels' into fixes 2019-10-04 09:06:41 -07:00
clocksource timer-of: don't use conditional expression with mixed 'void' types 2019-10-02 16:16:07 -07:00
connector
counter
cpufreq cpufreq: Cancel policy update work scheduled before freeing 2019-10-22 18:07:30 +02:00
cpuidle cpuidle: haltpoll: Take 'idle=' override into account 2019-10-22 11:43:17 +02:00
crypto Merge branch 'akpm' (patches from Andrew) 2019-09-24 16:10:23 -07:00
dax
dca
devfreq
dio
dma Main MIPS changes for v5.4: 2019-09-22 09:30:30 -07:00
dma-buf dma-buf/resv: fix exclusive fence get 2019-10-10 17:05:20 +02:00
edac EDAC/ghes: Fix Use after free in ghes_edac remove path 2019-10-17 11:27:05 +02:00
eisa
extcon extcon: sm5502: remove redundant assignment to variable cable_type 2019-10-31 13:47:42 +09:00
firewire
firmware Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2019-10-15 09:20:07 -07:00
fpga Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
fsi fsi: core: Fix small accesses and unaligned offsets via sysfs 2019-11-08 11:23:40 +01:00
gnss
gpio drivers: mcb: use symbol namespaces 2019-11-03 19:54:53 +01:00
gpu Merge tag 'drm-fixes-5.4-2019-10-23' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 2019-10-25 14:48:53 +10:00
greybus greybus: remove excessive check in gb_connection_hd_cport_quiesce() 2019-10-10 15:24:19 +02:00
hid HID: hyperv: Use in-place iterator API in the channel callback 2019-10-01 14:49:41 -04:00
hsi HSI changes for the 5.4 series 2019-09-22 12:02:21 -07:00
hv Drivers: hv: vmbus: Fix harmless building warnings without CONFIG_PM_SLEEP 2019-10-01 14:49:45 -04:00
hwmon hwmon: (nct7904) Add array fan_alarm and vsen_alarm to store the alarms in nct7904_data struct. 2019-10-02 06:42:48 -07:00
hwspinlock
hwtracing coresight: etm4x: Fix BMVAL misuse 2019-11-04 21:57:58 +01:00
i2c i2c: stm32f7: remove warning when compiling with W=1 2019-10-24 20:52:21 +02:00
i3c
ide
idle
iio drivers: mcb: use symbol namespaces 2019-11-03 19:54:53 +01:00
infiniband RDMA/mlx5: Add missing synchronize_srcu() for MW cases 2019-10-04 15:54:22 -03:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2019-10-25 17:31:53 -04:00
interconnect
iommu dma-mapping fix for 5.4 2019-10-26 06:29:04 -04:00
ipack
irqchip irqchip updates for 5.4, take 2 2019-10-25 14:25:15 +02:00
isdn mISDN: enforce CAP_NET_RAW for raw sockets 2019-09-24 16:37:18 +02:00
leds leds: lm3532: Fix optional led-max-microamp prop error handling 2019-09-12 20:45:52 +02:00
lightnvm lightnvm: print error when target is not found 2019-09-05 13:17:01 -06:00
macintosh cpufreq: Use per-policy frequency QoS 2019-10-21 02:05:21 +02:00
mailbox mailbox: qcom-apcs: fix max_register value 2019-09-17 00:54:29 -05:00
mcb drivers: mcb: use symbol namespaces 2019-11-03 19:54:53 +01:00
md for-linus-2019-10-18 2019-10-18 22:29:36 -04:00
media media: stkwebcam: fix runtime PM after driver unbind 2019-10-04 14:38:46 +02:00
memory
memstick memstick: jmb38x_ms: Fix an error handling path in 'jmb38x_ms_probe()' 2019-10-09 11:08:03 +02:00
message
mfd mfd: mt6397: Fix probe after changing mt6397-core 2019-10-24 08:49:25 +01:00
misc mei: add trc detection register to sysfs 2019-11-07 09:37:27 +01:00
mmc mmc: mxs: fix flags passed to dmaengine_prep_slave_sg 2019-10-21 16:16:38 +02:00
mtd mtd: rawnand: au1550nd: Fix au_read_buf16() prototype 2019-10-07 09:56:36 +02:00
mux
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-10-19 17:09:11 -04:00
nfc NFC: pn533: fix use-after-free and memleaks 2019-10-08 16:52:26 -07:00
ntb NTB: fix IDT Kconfig typos/spellos 2019-09-23 17:20:40 -04:00
nubus
nvdimm libnvdimm fixes v5.4-rc1 2019-09-29 10:33:41 -07:00
nvme nvme-pci: Set the prp2 correctly when using more than 4k page 2019-10-18 23:09:41 +09:00
nvmem nvmem: add Rockchip OTP driver 2019-11-05 18:35:33 +01:00
of of: reserved_mem: add missing of_node_put() for proper ref-counting 2019-10-23 15:15:05 -05:00
opp opp: Reinitialize the list_kref before adding the static OPPs again 2019-10-23 10:58:44 +05:30
oprofile
parisc parisc: Remove 32-bit DMA enforcement from sba_iommu 2019-10-14 21:44:26 +02:00
parport Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
pci PCI: PM: Fix pci_power_up() 2019-10-15 23:51:36 +02:00
pcmcia Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
perf
phy phy: phy-rockchip-inno-usb2: add phy description for px30 2019-10-31 18:27:47 +05:30
pinctrl pinctrl: aspeed-g6: Rename SD3 to EMMC and rework pin groups 2019-10-16 15:58:27 +02:00
platform Merge 5.4-rc5 into char-misc-next 2019-10-27 18:48:33 +01:00
pnp
power power supply and reset changes for the v5.4 series 2019-09-22 12:04:59 -07:00
powercap Power management updates for 5.4-rc1 2019-09-17 19:15:14 -07:00
pps
ps3
ptp ptp: fix typo of "mechanism" in Kconfig help text 2019-10-07 14:55:46 -04:00
pwm pwm: Changes for v5.4-rc1 2019-09-27 12:19:47 -07:00
rapidio
ras
regulator regulator: Fixes for v5.4 2019-10-23 15:31:17 -04:00
remoteproc remoteproc updates for v5.4 2019-09-22 10:55:08 -07:00
reset ARM: SoC fixes 2019-09-30 10:04:28 -07:00
rpmsg rpmsg: glink-smem: Name the edge based on parent remoteproc 2019-09-17 15:33:31 -07:00
rtc RTC for 5.4 2019-09-22 11:05:43 -07:00
s390 s390/zcrypt: fix memleak at release 2019-10-22 17:55:51 +02:00
sbus
scsi SCSI fixes on 20191025 2019-10-25 20:11:33 -04:00
sfi
sh
siox
slimbus
soc soc: imx: imx-scu: Getting UID from SCU should have response 2019-10-06 09:21:38 +08:00
soundwire soundwire updates for v5.4-rc1 2019-09-22 10:52:23 -07:00
spi LED updates for 5.4-rc1 2019-09-17 18:40:42 -07:00
spmi
ssb ssb: make array pwr_info_offset static const, makes object smaller 2019-09-13 17:23:18 +03:00
staging staging: wlan-ng: fix exit return when sme->key_idx >= NUM_WEPKEYS 2019-10-14 15:40:08 +02:00
target SCSI fixes on 20191025 2019-10-25 20:11:33 -04:00
tc
tee tee/shm: untag user pointers in tee_shm_register 2019-09-25 17:51:41 -07:00
thermal cpufreq: Use per-policy frequency QoS 2019-10-21 02:05:21 +02:00
thunderbolt thunderbolt: Do not start firmware unless asked by the user 2019-11-02 12:13:31 +03:00
tty drivers: mcb: use symbol namespaces 2019-11-03 19:54:53 +01:00
uio Char/Misc driver patches for 5.4-rc1 2019-09-18 11:14:31 -07:00
usb usb: cdns3: Error out if USB_DR_MODE_UNKNOWN in cdns3_core_init_role() 2019-10-18 12:00:15 -07:00
vfio vfio/type1: Initialize resv_msi_base 2019-10-15 14:07:01 -06:00
vhost vhost/test: stop device before reset 2019-10-13 09:38:27 -04:00
video video/logo: do not generate unneeded logo C files 2019-10-05 15:29:49 +09:00
virt virt: vbox: fix memory leak in hgcm_call_preprocess_linaddr 2019-10-10 14:50:32 +02:00
virtio virtio_ring: fix unmap of indirect descriptors 2019-09-09 10:43:15 -04:00
visorbus
vlynq
vme
w1 Merge 5.4-rc3 into char-misc-next 2019-10-14 07:36:49 +02:00
watchdog drivers: mcb: use symbol namespaces 2019-11-03 19:54:53 +01:00
xen Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-10-19 17:09:11 -04:00
zorro
Kconfig Staging/IIO driver patches for 5.4-rc1 2019-09-18 11:05:34 -07:00
Makefile Staging/IIO driver patches for 5.4-rc1 2019-09-18 11:05:34 -07:00