Jeff Kirsher says:
====================
1GbE Intel Wired LAN Driver Updates 2020-05-21
This series contains updates to igc and e1000.
Andre cleans up code that was left over from the igb driver that handled
MAC address filters based on the source address, which is not currently
supported. Simplifies the MAC address filtering code and prepare the
igc driver for future source address support. Updated the MAC address
filter internal APIs to support filters based on source address. Added
support for Network Flow Classification (NFC) rules based on source MAC
address. Cleaned up the 'cookie' field which is not used anywhere in
the code and cleaned up a wrapper function that was not needed.
Simplified the filtering code for readability and aligned the ethtool
functions, so that function names were consistent.
Alex provides a fix for e1000 to resolve a deadlock issue when NAPI is
being disabled.
Sasha does additional cleanup of the igc driver of dead code that is not
used or needed.
v2: Fix the function header comment in patch 3 of the series, based on
the feedback from Jakub Kicinski.
====================
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix warnings at 'make htmldocs', and formatting issues in the resulting
documentation.
- test.h: Fix annotation in kernel-doc parameter description.
- Documentation/*.rst: Fixing formatting issues, and a duplicate label
issue due to usage of sphinx.ext.autosectionlabel and identical labels
within one document (sphinx warning)
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This can happen if a testing node doesn't have RTC (real time clock)
hardware or it doesn't support alarms.
Fixes: 61c5767603 ("selftests/timens: Add Time Namespace test for supported clocks")
Acked-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reported-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Andrei Vagin <avagin@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
TPM2 tests set uses /dev/tpm0 and /dev/tpmrm0 without check if they
are available. In case, when these devices are not available test
fails, but expected behaviour is skipped test.
Signed-off-by: Nikita Sobolev <Nikita.Sobolev@synopsys.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Moving the ctemp variable out of the private data structure made it
possible to clean up rcar_thermal_update_temp(). Initialize the local
ctemp to the error code to return if the reading fails and just return
it at the end of the function.
It's OK to change the datatype of old, new and ctemp to int as all
values are ANDed with CTEMP (0x3f) before being stored. While at it
change the datatype of the loop variable 'i' to to unsigned int.
Suggested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200514152505.1927634-1-niklas.soderlund+renesas@ragnatech.se
If the delay used is long enough the spi_delay_exec() will use a sleeping
function to implement it. Add a might_sleep() here to help avoid callers
using this from an atomic context and running into problems at runtime on
other systems.
Suggested-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200522155005.46099-1-broonie@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
The macros do_each_path/while_each_path lead to a smatch warning:
drivers/infiniband/ulp/rtrs/rtrs-clt.c:1196 rtrs_clt_failover_req() warn: inconsistent indenting
drivers/infiniband/ulp/rtrs/rtrs-clt.c:2890 rtrs_clt_request() warn: inconsistent indenting
Also checkpatch complains:
ERROR: Macros with multiple statements should be enclosed in a do - while loop
The macros are used only in two places: for a normal IO path and for the
failover path triggered after errors.
Get rid of the macros and just use a for loop iterating over the list of
paths in both places. It is easier to read and also less lines of code.
Fixes: 6a98d71dae ("RDMA/rtrs: client: main functionality")
Link: https://lore.kernel.org/r/20200522053924.528980-1-danil.kipnis@cloud.ionos.com
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
The rtrs_sess structure has already been extracted above from the
rtrs_srv_sess structure. Use that to avoid redundant dereferencing.
Fixes: 9cb8374804 ("RDMA/rtrs: server: main functionality")
Link: https://lore.kernel.org/r/20200522082833.1480551-1-haris.phnx@gmail.com
Signed-off-by: Md Haris Iqbal <haris.phnx@gmail.com>
Acked-by: Danil Kipnis <danil.kipnis@cloud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
module_is_live function is only defined when CONFIG_MODULES is enabled.
Use try_module_get instead to check whether the module is being removed.
When module unload and manuall unmapping is happening in parallel, we can
try removing the symlink twice: rnbd_client_exit
vs. rnbd_clt_unmap_dev_store.
This is probably not the best way to deal with this race in general, but
for now this fixes the compilation issue when CONFIG_MODULES is disabled
and has no functional impact. Regression tests passed.
Fixes: 1eb54f8f5d ("block/rnbd: client: sysfs interface functions")
Link: https://lore.kernel.org/r/20200521185909.457245-1-danil.kipnis@cloud.ionos.com
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Suggested-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Files can be mmap'ed read/write and later changed to execute to circumvent
IMA's mmap appraise policy rules. Due to locking issues (mmap semaphore
would be taken prior to i_mutex), files can not be measured or appraised at
this point. Eliminate this integrity gap, by denying the mprotect
PROT_EXECUTE change, if an mmap appraise policy rule exists.
On mprotect change success, return 0. On failure, return -EACESS.
Reviewed-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
The allocated ports structure in never freed. The free function should be
called by release_cma_ports_group, but the group is never released since
we don't remove its default group.
Remove default groups when device group is deleted.
Fixes: 045959db65 ("IB/cma: Add configfs for rdma_cm")
Link: https://lore.kernel.org/r/20200521072650.567908-1-leon@kernel.org
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
On some architectures like ppc64le and aarch64, compiling with
-Wformat=1 will throw the following warnings:
In file included from drivers/gpu/drm/drm_vblank.c:33:
drivers/gpu/drm/drm_vblank.c: In function 'drm_update_vblank_count':
drivers/gpu/drm/drm_vblank.c:273:16: warning: format '%llu' expects
argument of type 'long long unsigned int', but argument 4 has type
'long int' [-Wformat=]
DRM_DEBUG_VBL("updating vblank count on crtc %u:"
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/drm/drm_print.h:407:22: note: in definition of macro
'DRM_DEBUG_VBL'
drm_dbg(DRM_UT_VBL, fmt, ##__VA_ARGS__)
^~~
drivers/gpu/drm/drm_vblank.c:274:22: note: format string is defined here
" current=%llu, diff=%u, hw=%u hw_last=%u\n",
~~~^
%lu
So, fix that with a typecast.
Co-developed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200521204647.2578479-1-lyude@redhat.com
The core mask display is wrong in some cases. This is showing more
cpus than the mask has. This is because mask is 64 bit but it used
with BIT() macro to get the presence of CPU which doesn't support
unsigned long long. Added a new macro for BIT_ULL and use that
to get the presence of a CPU.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Increase CPU count so that more than 64 is supported in one request.
For example:
sudo ./intel-speed-select -d --cpu 0-66 core-power assoc -clos 0
The above command stops at 63. With this change, it can support more
CPU numbers from 0-255.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
The 'intel-speed-select -f json perf-profile get-lock-status' command
outputs the package, die, and cpu data as separate fields.
ex)
"package-0": {
"die-0": {
"cpu-0": {
Commit 74062363f8 ("tools/power/x86/intel-speed-select: Avoid duplicate Package strings for json") prettied this output so that it is a single line for
some json output commands and the same should be done for other commands.
Output package, die, and cpu info in a single line when using json output.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Updating power management register requires toggling the shutdown
bit otherwise it causes unexpected behavior of the codec.
However, toggling the shutdown bit results in loud speaker crackling.
Setup the power management register only at startup to avoid that.
Signed-off-by: Pavel Dobias <dobias@2n.cz>
Link: https://lore.kernel.org/r/20200522142957.18364-3-dobias@2n.cz
Signed-off-by: Mark Brown <broonie@kernel.org>
MAX9867 codec has a possibility of connecting digital microphones.
Add DAPM controls to be able to enable them.
Signed-off-by: Pavel Dobias <dobias@2n.cz>
Link: https://lore.kernel.org/r/20200522142957.18364-2-dobias@2n.cz
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge tag 'io_uring-5.7-2020-05-22' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"A small collection of small fixes that should go into this release:
- Two fixes for async request preparation (Pavel)
- Busy clear fix for SQPOLL (Xiaoguang)
- Don't use kiocb->private for O_DIRECT buf index, some file systems
use it (Bijan)
- Kill dead check in io_splice()
- Ensure sqo_wait is initialized early
- Cancel task_work if we fail adding to original process
- Only add (IO)pollable requests to iopoll list, fixing a regression
in this merge window"
* tag 'io_uring-5.7-2020-05-22' of git://git.kernel.dk/linux-block:
io_uring: reset -EBUSY error when io sq thread is waken up
io_uring: don't add non-IO requests to iopoll pending list
io_uring: don't use kiocb.private to store buf_index
io_uring: cancel work if task_work_add() fails
io_uring: remove dead check in io_splice()
io_uring: fix FORCE_ASYNC req preparation
io_uring: don't prepare DRAIN reqs twice
io_uring: initialize ctx->sqo_wait earlier
This tag contains two fixes:
* Another !MMU build fix that was a straggler from last week.
* A fix to use the "register" keyword for the GP global register variable.
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Merge tag 'riscv-for-linus-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"Two fixes:
- Another !MMU build fix that was a straggler from last week
- A fix to use the "register" keyword for the GP global register
variable"
* tag 'riscv-for-linus-5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: gp_in_global needs register keyword
riscv: Fix print_vm_layout build error if NOMMU
- fix EFI framebuffer earlycon for wide fonts
- avoid filling screen_info with garbage if the EFI framebuffer is not
available
- fix a potential host tool build error due to a symbol clash on x86
- work around a EFI firmware bug regarding the binary format of the TPM
final events table
- fix a missing memory free by reworking the E820 table sizing routine to
not do the allocation in the first place
- add CPER parsing for firmware errors
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Merge tag 'efi-fixes-for-v5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into efi/urgent
Pull EFI fixes from Ard Biesheuvel:
"- fix EFI framebuffer earlycon for wide fonts
- avoid filling screen_info with garbage if the EFI framebuffer is not
available
- fix a potential host tool build error due to a symbol clash on x86
- work around a EFI firmware bug regarding the binary format of the TPM
final events table
- fix a missing memory free by reworking the E820 table sizing routine to
not do the allocation in the first place
- add CPER parsing for firmware errors"
Normally, show_trace_log_lvl() scans the stack, looking for text
addresses to print. In parallel, it unwinds the stack with
unwind_next_frame(). If the stack address matches the pointer returned
by unwind_get_return_address_ptr() for the current frame, the text
address is printed normally without a question mark. Otherwise it's
considered a breadcrumb (potentially from a previous call path) and it's
printed with a question mark to indicate that the address is unreliable
and typically can be ignored.
Since the following commit:
f1d9a2abff ("x86/unwind/orc: Don't skip the first frame for inactive tasks")
... for inactive tasks, show_trace_log_lvl() prints *only* unreliable
addresses (prepended with '?').
That happens because, for the first frame of an inactive task,
unwind_get_return_address_ptr() returns the wrong return address
pointer: one word *below* the task stack pointer. show_trace_log_lvl()
starts scanning at the stack pointer itself, so it never finds the first
'reliable' address, causing only guesses to being printed.
The first frame of an inactive task isn't a normal stack frame. It's
actually just an instance of 'struct inactive_task_frame' which is left
behind by __switch_to_asm(). Now that this inactive frame is actually
exposed to callers, fix unwind_get_return_address_ptr() to interpret it
properly.
Fixes: f1d9a2abff ("x86/unwind/orc: Don't skip the first frame for inactive tasks")
Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200522135435.vbxs7umku5pyrdbk@treble
This fixes an intermittent bug where a root PD clear operation still in
progress could overwrite a PDE update done by the CPU, resulting in a
VM fault.
Fixes: 108b4d928c ("drm/amd/amdgpu: Update VM function pointer")
Reported-by: Jay Cornwall <Jay.Cornwall@amd.com>
Tested-by: Jay Cornwall <Jay.Cornwall@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Why]
Previously we used the s3 codepath for gpu reset. This can lead to issues in
certain case where we end of waiting for fences which will never come (because
parts of the hw are off due to gpu reset) and we end up waiting forever causing
a deadlock.
[How]
Handle GPU reset separately from normal s3 case. We essentially need to redo
everything we do in s3, but avoid any drm calls.
For GPU reset case
suspend:
-Acquire DC lock
-Cache current dc_state
-Commit 0 stream/planes to dc (this puts dc into a state where it can be
powered off)
-Disable interrupts
resume
-Edit cached state to force full update
-Commit cached state from suspend
-Build stream and plane updates from the cached state
-Commit stream/plane updates
-Enable interrupts
-Release DC lock
v2:
-Formatting
-Release dc_state
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add some APU flags to simplify handling of different APU
variants. It's easier to understand the special cases
if we use names flags rather than checking device ids and
silicon revisions.
v2: rebase on latest code
Acked-by: Evan Quan <evan.quan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[Problem description]
1. Boot up picasso platform, launches desktop, Don't do anything (APU enter into "gfxoff" state)
2. Remote login to platform using SSH, then type the command line:
sudo su -c "echo manual > /sys/class/drm/card0/device/power_dpm_force_performance_level"
sudo su -c "echo 2 > /sys/class/drm/card0/device/pp_dpm_sclk" (fix SCLK to 1400MHz)
3. Move the mouse around in Window
4. Phenomenon : The screen frozen
Tester will switch sclk level during glmark2 run time.
APU will enter "gfxoff" state intermittently during glmark2 run time.
The system got hanged if fix GFXCLK to 1400MHz when APU is in "gfxoff"
state.
[Debug]
1. Fix SCLK to X MHz
1400: screen frozen, screen black, then OS will reboot.
1300: screen frozen.
1200: screen frozen, screen black.
1100: screen frozen, screen black, then OS will reboot.
1000: screen frozen, screen black.
900: screen frozen, screen black, then OS will reboot.
800: Situation Nomal, issue disappear.
700: Situation Nomal, issue disappear.
2. SBIOS setting: AMD CBS --> SMU Debug Options -->SMU Debug --> "GFX DLDO Psm Margin Control":
50 : Situation Nomal, issue disappear.
45 : Situation Nomal, issue disappear.
40 : Situation Nomal, issue disappear.
35 : Situation Nomal, issue disappear.
30 : screen black.
25 : screen frozen, then blurred screen.
20 : screen frozen.
15 : screen black.
10 : screen frozen.
5 : screen frozen, then blurred screen.
3. Disable GFXOFF feature
Situation Nomal, issue disappear.
[Why]
Through a period of time debugging with Sys Eng team and SMU team, Sys
Eng team said this is voltage/frequency marginal issue not a F/W or H/W
bug. This experiment proves that default targetPsm [for f=1400MHz] is
not sufficient when GFXOFF is enabled on Picasso.
SMU team think it is an odd test conditions to force sclk="1400MHz" when
GPU is in "gfxoff" state，then wake up the GFX. SCLK should be in the
"lowest frequency" when gfxoff.
[How]
Disable gfxoff when setting manual mode.
Enable gfxoff when setting other mode(exiting manual mode) again.
By the way, from the user point of view, now that user switch to manual
mode and force SCLK Frequency, he don't want SCLK be controlled by
workload.It becomes meaningless to "switch to manual mode" if APU enter "gfxoff"
due to lack of workload at this point.
Tips: Same issue observed on Raven.
Signed-off-by: chen gong <curry.gong@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Fix typos that prevented them from showing up.
v2: switch other files in addition to pp_clk_voltage
Fixes: 4e01847c38 ("drm/amdgpu: optimize amdgpu device attribute code")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1150
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
We need to get the silicon revision id before we parse
the firmware in order to load the correct gpu info firmware
for raven2 variants.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1103
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Move it into the fw_info function since it's logically part
of the same functionality.
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Provide a very basic selftest for getcpu() which similarly to our existing
test for gettimeofday() looks up the function in the vDSO and prints the
results it gets if the function exists and succeeds.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Both vdso_test_gettimeofday and vdso_standalone_test_x86 use the library in
parse_vdso.c but each separately declares the API it offers which is not
ideal. Create a header file with prototypes of the functions and use it in
both the library and the tests to ensure that the same prototypes are used
throughout.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The QorIQ Thermal Monitoring Unit is only present on Freescale E500MC
and Layerscape SoCs, and on NXP i.MX8 SoCs. Add platform dependencies
to the QORIQ_THERMAL config symbol, to avoid asking the user about it
when configuring a kernel without support for any of the aforementioned
SoCs.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200507112955.23520-5-geert+renesas@glider.be
tsens-common.c has outlived its usefuless. It was created expecting lots
of custom routines per version of the TSENS IP. We haven't needed those,
there is now only data in the version-specific files.
Merge the code for tsens-common.c into tsens.c. As a result,
- Remove any unnecessary forward declarations in tsens.h.
- Add a Linaro copyright to tsens.c.
- Fixup the Makefile to remove tsens-common.c.
- Where it made sense, fix some 80-column alignments in the
tsens-common.c code being copied over.
There is no functional change with this patch.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/e30e2ba6fa5c007983afd4d7d4e0311c0b57917a.1588183879.git.amit.kucheria@linaro.org
The thermal framework can no longer be compiled as a module as of
commit 554b3529fe ("thermal/drivers/core: Remove the module Kconfig's
option"). Remove the MODULE_* tags.
Rui is mentioned in the copyright line at the top of the file and the
license is mentioned in the SPDX tags. So no loss of information.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/74339a09a55f8f3d86c4074fc2bf853a302d6186.1589199124.git.amit.kucheria@linaro.org
The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
sizeof(flexible-array-member) triggers a warning because flexible array
members have incomplete type[1]. There are some instances of code in
which the sizeof operator is being incorrectly/erroneously applied to
zero-length arrays and the result is zero. Such instances may be hiding
some bugs. So, this work (flexible-array member conversions) will also
help to get completely rid of those sorts of issues.
This issue was found with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit 7649773293 ("cxgb3/l2t: Fix undefined behaviour")
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200507192517.GA16557@embeddedor
Add support for retrieving Tdie and Tctl on AMD Renoir (4000-series
Ryzen CPUs).
It appears SMU offsets for reading current/voltage and CCD temperature
have changed for this generation (reads from currently used offsets
yield zeros), so those features cannot be enabled so trivially.
Signed-off-by: Alexander Monakov <amonakov@ispras.ru>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lkml.kernel.org/r/20200510204842.2603-3-amonakov@ispras.ru
