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
inadvertenly 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]
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 <gustavo@embeddedor.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The ftrace selftest "ftrace - test for function traceon/off triggers"
enables all events and reads the trace file. Now that the trace file does
not disable tracing, and will attempt to continually read new data that is
added, the selftest gets stuck reading the trace file. This is because the
data added to the trace file will fill up quicker than the reading of it.
By only enabling scheduling events, the read can keep up with the writes.
Instead of enabling all events, only enable the scheduler events.
Link: http://lkml.kernel.org/r/20200318111345.0516642e@gandalf.local.home
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: linux-kselftest@vger.kernel.org
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Clang warns:
../kernel/trace/trace.c:9335:33: warning: array comparison always
evaluates to true [-Wtautological-compare]
if (__stop___trace_bprintk_fmt != __start___trace_bprintk_fmt)
^
1 warning generated.
These are not true arrays, they are linker defined symbols, which are
just addresses. Using the address of operator silences the warning and
does not change the runtime result of the check (tested with some print
statements compiled in with clang + ld.lld and gcc + ld.bfd in QEMU).
Link: http://lkml.kernel.org/r/20200220051011.26113-1-natechancellor@gmail.com
Link: https://github.com/ClangBuiltLinux/linux/issues/893
Suggested-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
nf_flow_rule_match() sets control.addr_type in key, so needs to also set
the corresponding mask. An exact match is wanted, so mask is all ones.
Fixes: c29f74e0df ("netfilter: nf_flow_table: hardware offload support")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Commit '16f17eda8b ("drm/amd/display: Send vblank and user
events at vsartup for DCN")' introduces a new way of pageflip
completion handling for DCN, and some trouble.
The current implementation introduces a race condition, which
can cause pageflip completion events to be sent out one vblank
too early, thereby confusing userspace and causing flicker:
prepare_flip_isr():
1. Pageflip programming takes the ddev->event_lock.
2. Sets acrtc->pflip_status == AMDGPU_FLIP_SUBMITTED
3. Releases ddev->event_lock.
--> Deadline for surface address regs double-buffering passes on
target pipe.
4. dc_commit_updates_for_stream() MMIO programs the new pageflip
into hw, but too late for current vblank.
=> pflip_status == AMDGPU_FLIP_SUBMITTED, but flip won't complete
in current vblank due to missing the double-buffering deadline
by a tiny bit.
5. VSTARTUP trigger point in vblank is reached, VSTARTUP irq fires,
dm_dcn_crtc_high_irq() gets called.
6. Detects pflip_status == AMDGPU_FLIP_SUBMITTED and assumes the
pageflip has been completed/will complete in this vblank and
sends out pageflip completion event to userspace and resets
pflip_status = AMDGPU_FLIP_NONE.
=> Flip completion event sent out one vblank too early.
This behaviour has been observed during my testing with measurement
hardware a couple of time.
The commit message says that the extra flip event code was added to
dm_dcn_crtc_high_irq() to prevent missing to send out pageflip events
in case the pflip irq doesn't fire, because the "DCH HUBP" component
is clock gated and doesn't fire pflip irqs in that state. Also that
this clock gating may happen if no planes are active. This suggests
that the problem addressed by that commit can't happen if planes
are active.
The proposed solution is therefore to only execute the extra pflip
completion code iff the count of active planes is zero and otherwise
leave pflip completion handling to the pflip irq handler, for a
more race-free experience.
Note that i don't know if this fixes the problem the original commit
tried to address, as i don't know what the test scenario was. It
does fix the observed too early pageflip events though and points
out the problem introduced.
Fixes: 16f17eda8b ("drm/amd/display: Send vblank and user events at vsartup for DCN")
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The tc ct action does not cache the route in the flowtable entry.
Fixes: 88bf6e4114 ("netfilter: flowtable: add tunnel encap/decap action offload support")
Fixes: cfab6dbd0e ("netfilter: flowtable: add tunnel match offload support")
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Freeing a flowtable with offloaded flows, the flow are deleted from
hardware but are not deleted from the flow table, leaking them,
and leaving their offload bit on.
Add a second pass of the disabled gc to delete the these flows from
the flow table before freeing it.
Fixes: c29f74e0df ("netfilter: nf_flow_table: hardware offload support")
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Since pskb_may_pull may change skb->data, so we need to reload ip{v6}h at
the right place.
Fixes: a908fdec3d ("netfilter: nf_flow_table: move ipv6 offload hook code to nf_flow_table")
Fixes: 7d20868717 ("netfilter: nf_flow_table: move ipv4 offload hook code to nf_flow_table")
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Since nf_flow_snat_port and nf_flow_snat_ip{v6} call pskb_may_pull()
which may change skb->data, so we need to reload ip{v6}h at the right
place.
Fixes: a908fdec3d ("netfilter: nf_flow_table: move ipv6 offload hook code to nf_flow_table")
Fixes: 7d20868717 ("netfilter: nf_flow_table: move ipv4 offload hook code to nf_flow_table")
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
- rtsx_pci: Fix support for some various speed modes
- sdhci-of-at91: Fix support for GPIO card detect on SAMA5D2
- sdhci-cadence: Fix support for DDR52 speed mode for eMMC on UniPhier
- sdhci-acpi: Fix broken WP support on Acer Aspire Switch 10
- sdhci-acpi: Workaround FW bug for suspend on Lenovo Miix 320
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Merge tag 'mmc-v5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- rtsx_pci: Fix support for some various speed modes
- sdhci-of-at91: Fix support for GPIO card detect on SAMA5D2
- sdhci-cadence: Fix support for DDR52 speed mode for eMMC on UniPhier
- sdhci-acpi: Fix broken WP support on Acer Aspire Switch 10
- sdhci-acpi: Workaround FW bug for suspend on Lenovo Miix 320
* tag 'mmc-v5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: rtsx_pci: Fix support for speed-modes that relies on tuning
mmc: sdhci-of-at91: fix cd-gpios for SAMA5D2
mmc: sdhci-cadence: set SDHCI_QUIRK2_PRESET_VALUE_BROKEN for UniPhier
mmc: sdhci-acpi: Disable write protect detection on Acer Aspire Switch 10 (SW5-012)
mmc: sdhci-acpi: Switch signal voltage back to 3.3V on suspend on external microSD on Lenovo Miix 320
The syscall number of compat_clock_getres was erroneously set to 247
(__NR_io_cancel!) instead of 264. This causes the vDSO fallback of
clock_getres() to land on the wrong syscall for compat tasks.
Fix the numbering.
Cc: <stable@vger.kernel.org>
Fixes: 53c489e1df ("arm64: compat: Add missing syscall numbers")
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Will Deacon <will@kernel.org>
The sram property was incorrectly added to the GMU binding when it
really belongs with the GPU binding instead. Let's go ahead and
move it.
While changes are being made here, let's update the sram property
description to mention that this property is only valid for a3xx and
a4xx GPUs. The a3xx/a4xx example in the GPU is replaced with what was
in the GMU.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Fixes: 198a72c8f9 ("dt-bindings: display: msm: gmu: add optional ocmem property")
Acked-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Also log buffers with the DUMP flag set, to ensure we capture all useful
cmdstream in crashdump state with modern mesa.
Otherwise we miss out on the contents of "state object" cmdstream
buffers.
v2: add missing 'inline'
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
If the opp table specifies opp-supported-hw as a property but the driver
has not set a supported hardware value the OPP subsystem will reject
all the table entries.
Set a "default" value that will match the default table entries but not
conflict with any possible real bin values. Also fix a small memory leak
and free the buffer allocated by nvmem_cell_read().
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Fixes coccicheck warning:
drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c:27:51-52: WARNING comparing pointer to 0
drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c:109:51-52: WARNING comparing pointer to 0
drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c:167:12-13: WARNING comparing pointer to 0
drivers/gpu/drm/msm/disp/dpu1/dpu_vbif.c:167:22-23: WARNING comparing pointer to 0
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Fixes coccicheck warning:
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c:242:48-49: WARNING comparing pointer to 0
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c:562:25-26: WARNING comparing pointer to 0
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c:562:48-49: WARNING comparing pointer to 0
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Fixes coccicheck warning:
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c:414:52-53: WARNING comparing pointer to 0
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c:443:56-57: WARNING comparing pointer to 0
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function _dpu_debugfs_show_regset32:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:142:26: warning: variable priv set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function dpu_kms_prepare_commit:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:271:21: warning: variable dev set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function _dpu_kms_hw_destroy:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:555:21: warning: variable dev set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function dpu_kms_hw_init:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:763:26: warning: variable priv set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function dpu_runtime_suspend:
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:1021:21: warning: variable ddev set but not used [-Wunused-but-set-variable]
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: tongtiangen <tongtiangen@huawei.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.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]
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 <gustavo@embeddedor.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
We should free resources in unlikely case of allocation failure.
Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Each of hdmi and edp are already attached in msm_*_bridge_init. A second
attachment returns -EBUSY, failing the driver load.
Tested with HDMI on IFC6410 (APQ8064 / MDP4), but eDP case should be
analogous.
Fixes: 3ef2f119bd (drm/msm: Use drm_attach_bridge() to attach a bridge to an encoder)
Cc: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> (hdmi part)
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Fix a couple of dangling links to core-api/namespaces.rst by turning them
into proper references. Enable the autosection extension (available since
Sphinx 1.4) to make this work.
Co-developed-by: Federico Vaga <federico.vaga@vaga.pv.it>
Fixes: fcfacb9f83 ("doc: move namespaces.rst from kbuild/ to core-api/")
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This reverts commit d441dceb5d due to
boot failures.
Reported-by: Qian Cai <cai@lca.pw>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <longman@redhat.com>
__f2fs_bio_alloc() won't fail due to memory pool backend, remove unneeded
__GFP_NOFAIL flag in __f2fs_bio_alloc().
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
With this newly introduced interface, user can get block
number compression saved in target inode.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
If we are in write IO path, we need to avoid using GFP_KERNEL.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
As Geert Uytterhoeven reported:
for parameter HZ/50 in congestion_wait(BLK_RW_ASYNC, HZ/50);
On some platforms, HZ can be less than 50, then unexpected 0 timeout
jiffies will be set in congestion_wait().
This patch introduces a macro DEFAULT_IO_TIMEOUT to wrap a determinate
value with msecs_to_jiffies(20) to instead HZ/50 to avoid such issue.
Quoted from Geert Uytterhoeven:
"A timeout of HZ means 1 second.
HZ/50 means 20 ms, but has the risk of being zero, if HZ < 50.
If you want to use a timeout of 20 ms, you best use msecs_to_jiffies(20),
as that takes care of the special cases, and never returns 0."
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
If first segment is empty and migration_granularity is 1, we can't move this
at all.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
There are three status for background gc: on, off and sync, it's
a little bit confused to use test_opt(BG_GC) and test_opt(FORCE_FG_GC)
combinations to indicate status of background gc.
So let's remove F2FS_MOUNT_BG_GC and F2FS_MOUNT_FORCE_FG_GC mount
options, and add F2FS_OPTION().bggc_mode with below three status
to clean up codes and enhance bggc mode's scalability.
enum {
BGGC_MODE_ON, /* background gc is on */
BGGC_MODE_OFF, /* background gc is off */
BGGC_MODE_SYNC, /*
* background gc is on, migrating blocks
* like foreground gc
*/
};
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This patch removes F2FS_MOUNT_ADAPTIVE and F2FS_MOUNT_LFS mount options,
and add F2FS_OPTION.fs_mode with below two status to indicate filesystem
mode.
enum {
FS_MODE_ADAPTIVE, /* use both lfs/ssr allocation */
FS_MODE_LFS, /* use lfs allocation only */
};
It can enhance code readability and fs mode's scalability.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Previously, 'norecovery' mount option will be shown as
'disable_roll_forward', fix to show original option name correctly.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
- rename datablock_addr() to data_blkaddr().
- wrap data_blkaddr() with f2fs_data_blkaddr() to clean up
parameters.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Move mapping of resources to encoder ids from the resource manager to a
new dpu_global_state struct. Store this struct in global atomic state.
Before this patch, atomic test would be performed by modifying global
state (resource manager), and backing out any changes if the test fails.
By using drm atomic global state, this is not necessary as any changes
to the global state will be discarded if the test fails.
Signed-off-by: Drew Davenport <ddavenport@chromium.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Track hardware resource objects in arrays rather than
a list and remove the resource manager's iterator idiom. Separate
the mapping of hardware resources to an encoder ID into a different
array.
Use an implicit mapping between the hardware blocks' ids, which
are 1-based, and array indices in these arrays to replace iteration
with index lookups in several places.
Signed-off-by: Drew Davenport <ddavenport@chromium.org>
[squash in minor compiler warning fixes]
Signed-off-by: Rob Clark <robdclark@chromium.org>
Eliminate 2 config symbols from both x86 defconfig files:
HAMRADIO and FDDI.
The FDDI Kconfig file even says (for the FDDI config symbol):
Most people will say N.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Maciej W. Rozycki <macro@linux-mips.org> # CONFIG_FDDI
Link: https://lkml.kernel.org/r/433f203e-4e00-f317-2e6b-81518b72843c@infradead.org
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Merge tag '5.6-rc6-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Three small smb3 fixes, two for stable"
* tag '5.6-rc6-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: fiemap: do not return EINVAL if get nothing
CIFS: Increment num_remote_opens stats counter even in case of smb2_query_dir_first
cifs: potential unintitliazed error code in cifs_getattr()
- fix __uint128_t capability test in Kconfig when GCC that defaults
to 32-bit is used to build the 64-bit kernel
- suppress new noisy Clang warnings -Wpointer-to-enum-cast
- move the namespace field in Module.symvers for the backward
compatibility reason for the depmod tool
- use available compression for initramdisk when INTRAMFS_SOURCE
is defined, which was the original behavior
- fix modpost to handle correct large section numbers when it refers
to modversion CRCs and module namespaces
- fix comments and documents
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Merge tag 'kbuild-fixes-v5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- fix __uint128_t capability test in Kconfig when GCC that defaults to
32-bit is used to build the 64-bit kernel
- suppress new noisy Clang warnings -Wpointer-to-enum-cast
- move the namespace field in Module.symvers for the backward
compatibility reason for the depmod tool
- use available compression for initramdisk when INTRAMFS_SOURCE is
defined, which was the original behavior
- fix modpost to handle correct large section numbers when it refers to
modversion CRCs and module namespaces
- fix comments and documents
* tag 'kbuild-fixes-v5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
scripts/kallsyms: fix wrong kallsyms_relative_base
modpost: Get proper section index by get_secindex() instead of st_shndx
initramfs: restore default compression behavior
modpost: move the namespace field in Module.symvers last
kbuild: Disable -Wpointer-to-enum-cast
kbuild: doc: fix references to other documents
int128: fix __uint128_t compiler test in Kconfig
kconfig: introduce m32-flag and m64-flag
kbuild: Fix inconsistent comment
I have hit the following build error:
armv7a-hardfloat-linux-gnueabi-ld: drivers/rtc/rtc-max8907.o: in function `max8907_rtc_probe':
rtc-max8907.c:(.text+0x400): undefined reference to `regmap_irq_get_virq'
max8907 should select REGMAP_IRQ
Fixes: 94c01ab6d7 ("rtc: add MAX8907 RTC driver")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In some platforms gpio's are not used for reset but
for other purposes. Because of that when we try to
get them are valid gpio's but are already assigned
to do other function. To avoid those kind of problems
in those platforms just notice the fail in the kernel
but continue doing normal boot.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20200319161416.19033-1-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
