On Thu, Sep 10, 2020 at 03:28:11PM -0700, David Miller wrote:
> From: Nathan Chancellor
> Date: Thu, 10 Sep 2020 10:48:27 -0700
>
> > Clang warns (trimmed for brevity):
> >
> > drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c:3073:7: warning:
> > variable 'lin
ot;net: mvpp2: restructure "link status" interrupt handling")
Link: https://github.com/ClangBuiltLinux/linux/issues/1151
Signed-off-by: Nathan Chancellor
---
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/driver
c54619b0bfb3 ("drm/vc4: Add support for the BCM2711 HVS5")
Link: https://github.com/ClangBuiltLinux/linux/issues/1150
Signed-off-by: Nathan Chancellor
---
drivers/gpu/drm/vc4/vc4_plane.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_p
mismatch.
Fixes: 311e305fdb4e ("drm/vc4: hdmi: Implement a register layout abstraction")
Link: https://github.com/ClangBuiltLinux/linux/issues/1149
Signed-off-by: Nathan Chancellor
---
Note, the variable names in these functions do not really make much
sense after this patch but attempti
3.5.0, see commit
4f43e554081ecac149fe360bee6eef2ed7dab8ea in LLVM.
Reviewed-by: Nathan Chancellor
> ---
>
> Makefile | 2 +-
> arch/arm64/kernel/vdso32/Makefile | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Makefile b/Makefile
&g
roduced this block is going to
be reverted:
https://lore.kernel.org/mm-commits/20200903201518.jkrrs%25a...@linux-foundation.org/
Regardless, it was introduced in LLVM 2.7.0 in commit
f9d41df0930986c52e198292cf875eb5d1761ece.
Reviewed-by: Nathan Chancellor
> ---
>
> Makefile | 2 +-
> 1 f
clang (see commit
05b0798916f01690b5903302e51f3136274e291f) but that obviously does not
matter for the sake of this.
Reviewed-by: Nathan Chancellor
> ---
>
> Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Makefile b/Makefile
> index 1b6abecc5ca
ng 3.0.0 in commit 6e50103acda2b918545f30141edeb991d766f2a4.
Reviewed-by: Nathan Chancellor
> ---
>
> Makefile | 2 +-
> arch/arm64/kernel/vdso32/Makefile | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/Makefile b/Makefile
> index 4b5a305e30d2..05
On Mon, Sep 07, 2020 at 12:12:30PM -0400, Arvind Sankar wrote:
> On Wed, Sep 02, 2020 at 03:59:04PM -0700, Nick Desaulniers wrote:
> > Adds a compile time #error to compiler-clang.h setting the effective
> > minimum supported version to clang 10.0.1. A separate patch has already
> > been picked up
> This is a false positive.
>
> However by initializing the type to DEV_UNKNOWN the 3 case can be
> removed from the switch, saving a comparison and jump.
>
> Signed-off-by: Tom Rix
Some maintainers have a preference for a default case statement but
presumably this case statement has b
ath11k_mac_setup_channels_rates(), allocates 3 channels. err_free
> misses releasing ar->mac.sbands[NL80211_BAND_6GHZ].channels
>
> Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
> Signed-off-by: Tom Rix
Reviewed-by: Nathan Chancellor
> --
because it will always be called at the end of the
function even if the first check is skipped.
Reviewed-by: Nathan Chancellor
> ---
> drivers/net/wireless/marvell/mwifiex/init.c | 14 ++
> 1 file changed, 6 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/net/w
On Thu, Sep 03, 2020 at 07:42:15PM -0400, Arvind Sankar wrote:
> On Thu, Sep 03, 2020 at 02:44:41PM -0700, Kees Cook wrote:
> > On Thu, Sep 03, 2020 at 01:30:26PM -0700, Sami Tolvanen wrote:
> > > From: Arvind Sankar
> > >
> > > Patch series [4] is a solution to allow the compressed kernel to be
On Thu, Sep 03, 2020 at 04:34:09PM -0700, Kees Cook wrote:
> On Thu, Sep 03, 2020 at 01:30:25PM -0700, Sami Tolvanen wrote:
> > This patch series adds support for building x86_64 and arm64 kernels
> > with Clang's Link Time Optimization (LTO).
>
> Tested-by: Kees Coo
On Thu, Sep 03, 2020 at 04:06:43PM +0200, Sedat Dilek wrote:
> On Thu, Sep 3, 2020 at 12:59 AM Nick Desaulniers
> wrote:
> >
> > Adds a compile time #error to compiler-clang.h setting the effective
> > minimum supported version to clang 10.0.1. A separate patch has already
> > been picked up into
e statement.
> So fix the check consistent with other similar in
> the file.
>
> Change a similar check in em28xx_resume_extension()
> to use consistent logic as its siblings.
>
> Fixes: be7fd3c3a8c5 ("media: em28xx: Hauppauge DualHD second tuner
> functionality")
> Signe
On Tue, Sep 01, 2020 at 03:25:21PM -0700, Nick Desaulniers wrote:
> Kees Cook is working on series that adds --orphan-section=warn to arm,
> arm64, and x86. I noticed that ppc vdso were still using cc-ldoption
> for these which I removed. It seems this results in that flag being
> silently
;wireless: mwifiex: initial commit for Marvell mwifiex
driver")
Link: https://github.com/ClangBuiltLinux/linux/issues/1146
Reported-by: Andy Lavr
Signed-off-by: Nathan Chancellor
---
drivers/net/wireless/marvell/mwifiex/cmdevt.c | 4 ++--
drivers/net/wireless/marvell/mwifiex/fw.h | 8 ++
d 4.9 or better.
> ("Upgrade to what version?" doesn't need to be dug out of documentation,
>headers, etc.)
>
> Suggested-by: Kees Cook
> Signed-off-by: Nick Desaulniers
Reviewed-by: Nathan Chancellor
It would be nice if there was some easy way to link the docume
o Elver
> Signed-off-by: Nick Desaulniers
Reviewed-by: Nathan Chancellor
> ---
> Documentation/dev-tools/kasan.rst | 4 ++--
> lib/Kconfig.kasan | 9 -
> 2 files changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/Documentation/dev-to
for calling this out.
> Suggested-by: Nathan Chancellor
> Signed-off-by: Nick Desaulniers
Reviewed-by: Nathan Chancellor
> ---
> arch/arm/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> ind
On Mon, Aug 31, 2020 at 05:23:23PM -0700, Nick Desaulniers wrote:
> This reverts commit 3acf4be235280f14d838581a750532219d67facc.
>
> The minimum supported version of clang is clang 10.0.1.
>
> Suggested-by: Nathan Chancellor
> Signed-off-by: Nick Desaulniers
Reviewed-by:
On Mon, Aug 31, 2020 at 05:23:22PM -0700, Nick Desaulniers wrote:
> This reverts commit b9249cba25a5dce5de87e5404503a5e11832c2dd.
>
> The minimum supported version of clang is now 10.0.1.
>
> Suggested-by: Nathan Chancellor
> Signed-off-by: Nick Desaulniers
Reviewed-by:
300.
> Link: https://github.com/ClangBuiltLinux/linux/issues/9
> Suggested-by: Nathan Chancellor
> Signed-off-by: Nick Desaulniers
Reviewed-by: Nathan Chancellor
> ---
> Makefile | 9 -
> 1 file changed, 9 deletions(-)
>
> diff --git a/Makefile b/Makefile
i and saw no
adverse affects through a compilation workload.
Reviewed-by: Nathan Chancellor
Tested-by: Nathan Chancellor
> ---
> Changes in v2:
> - Switched to a standard preamble for the architecture version.
>
> ---
> arch/arm64/Makefile | 11 ---
> arch/ar
//github.com/ClangBuiltLinux/linux/issues/941
> Suggested-by: Sedat Dilek
> Signed-off-by: Nick Desaulniers
Otherwise, I agree with Kees's comments. With them addressed, feel free
to add:
Acked-by: Nathan Chancellor
> ---
> include/linux/compiler-clang.h | 8
> 1 file chan
On Wed, Aug 26, 2020 at 11:17:34PM +0200, Miguel Ojeda wrote:
> On Wed, Aug 26, 2020 at 10:14 PM Nick Desaulniers
> wrote:
> >
> > During Plumbers 2020, we voted to just support the latest release of
> > Clang for now. Add a compile time check for this.
>
> Since this effectively enforces a
and single backticks instead of double backticks for inline formatting.
Add those so that the document looks nicer in an HTML format, while not
ruining the look in plain text.
As a result of this, we can remove the escaped backslashes in the last
code block and move them to single backslashes.
Signed-off-
t were used to support older versions. Please see
> additional
> +docs on :ref:`Building Linux with Clang/LLVM `.
> +
Do we maybe want to add a section for LLVM/clang in the "Getting updated
software" section? Maybe just a link to the existing section that we
have in kbuild/llvm.rst?
> Make
>
>
> --
> 2.28.0.297.g1956fa8f8d-goog
>
Regardless of the nits above:
Reviewed-and-tested-by: Nathan Chancellor
/bugs.llvm.org/show_bug.cgi?id=47280
> Link: https://github.com/ClangBuiltLinux/linux/issues/1126
> Link: https://man7.org/linux/man-pages/man3/stpcpy.3.html
> Link: https://pubs.opengroup.org/onlinepubs/9699919799/functions/stpcpy.html
> Link: https://reviews.llvm.org/D85963
> Suggest
t
> the keys to the nukes with any one entity. Should Nathan and I find
> ourselves at the same employer, I would gladly step down.
>
> Cc: clang-built-li...@googlegroups.com
> Cc: Nathan Chancellor
> Signed-off-by: Nick Desaulniers
Acked-by: Nathan Chancellor
.4.61-rc2.gz
> or in the git tree and branch at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
> linux-5.4.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h
Built several configurations with LLVM 12 and saw no regressions
compared to 5.4.60.
Tested-by: Nathan Chancellor
On Mon, Aug 24, 2020 at 03:36:14PM -0500, Gustavo A. R. Silva wrote:
> The following build error for powerpc64 was reported by Nathan Chancellor:
>
> "$ scripts/config --file arch/powerpc/configs/powernv_defconfig -e KERNEL_XZ
>
> $ make -skj"$(nproc)" ARCH=pow
On Sun, Aug 23, 2020 at 10:48:41PM -0500, Gustavo A. R. Silva wrote:
> Hi Linus,
>
> Not sure what the problem was with my pull-request for -rc2. So, I'm giving
> this a second try because I think it is worth it.
>
> I have build-tested this patch on 10 different architectures: x86_64, i386,
>
pplied this patch to v5.9-rc2 and next-20200824 and built several
different configurations with clang + GNU as and some with clang +
LLVM's integrated assembler and saw no build failures.
Tested-by: Nathan Chancellor
> ---
> arch/x86/boot/compressed/pgtable_64.c | 9 -
> arc
On Fri, Aug 21, 2020 at 04:13:19PM -0700, Randy Dunlap wrote:
> On 8/21/20 3:50 PM, Nathan Chancellor wrote:
> > Clang warns several times when building for 32-bit ARM along the lines
> > of:
> >
> > drivers/vdpa/mlx5/net/mlx5_vnet.c:1462:31: warning: shift count &g
g long. This
matches the size of the features field throughout this driver, which is
u64 so there should be no functional change.
Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Link: https://github.com/ClangBuiltLinux/linux/issues/1140
Signed-off-by: N
tps://github.com/ClangBuiltLinux/linux/issues/1139
Signed-off-by: Nathan Chancellor
---
drivers/net/dsa/sja1105/sja1105_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c
b/drivers/net/dsa/sja1105/sja1105_main.c
index c3f6f124e5f0..5a28dfb36ec3 1006
mmit a0d1c951ef08 ("kbuild: support LLVM=1 to switch the default
> tools to Clang/LLVM")
Minor nit, "commit" is unnecessary here and might be flagged by some tag
checking scripts.
> Reported-by: Matthias Maennich
> Signed-off-by: Nick Desaulniers
Regardless of the ab
On Thu, Aug 20, 2020 at 03:15:11PM -0700, Nick Desaulniers wrote:
>
> Hi Gustavo,
> Just noticed this on lore. I'm curious if you'd had a chance to test your PR
> with e2079e93f562c reverted?
> ~Nick
There will still probably be a decent amount of noise due to
; explicit callers, so we can now safely remove this interface.
>
> Suggested-by: Nathan Chancellor
> Reviewed-by: Kees Cook
> Signed-off-by: Nick Desaulniers
Reviewed-by: Nathan Chancellor
> ---
> include/linux/string.h | 3 ---
> lib/string.c | 20 ---
vm.org/D85963
> Reported-by: Sami Tolvanen
> Suggested-by: Dávid Bolvanský
> Suggested-by: Kees Cook
> Reviewed-by: Kees Cook
> Signed-off-by: Nick Desaulniers
Reviewed-by: Nathan Chancellor
Tested-by: Nathan Chancellor
> ---
> Makefile | 1 +
> 1 file chan
de08), which is also the minimum
> supported version of clang for LTO. Use `-fno-builtin-bcmp` instead.
>
> With this applid, we can cleanly revert
> commit 5f074f3e192f ("lib/string.c: implement a basic bcmp")
>
> Reviewed-by: Kees Cook
> Suggested-by: Nathan Ch
inux/linux/issues/1134
Reported-by: Brooke Basile
Signed-off-by: Nathan Chancellor
---
drivers/block/rnbd/rnbd-srv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index 0fb94843a495..1b71cb2a885d 100644
--- a/dri
On Mon, Aug 17, 2020 at 03:02:10PM -0700, Nick Desaulniers wrote:
> This reverts commit 5f074f3e192f10c9fade898b9b3b8812e3d83342.
>
> Use `-fno-builtin-bcmp` instead.
>
> The issue with using `-fno-builtin-*` flags was that they were not
> retained during an LTO link with LLVM. This was fixed
On Tue, Aug 18, 2020 at 12:03:18AM -0400, Brooke Basile wrote:
> Clang warns:
> drivers/block/rnbd/rnbd-srv.c:150:6: warning: variable 'err' is used
> uninitialized whenever 'if' condition is true
> [-Wsometimes-uninitialized]
> if (IS_ERR(bio)) {
>
On Wed, Aug 12, 2020 at 03:52:54PM -0700, 'Nick Desaulniers' via Clang Built
Linux wrote:
> On Wed, Aug 12, 2020 at 12:56 PM Nathan Huckleberry wrote:
> >
> > On Wed, Aug 12, 2020 at 12:40 PM Masahiro Yamada
> > wrote:
> > >
> > >
> > > I improved gen_compile_commands.py in the first two
iable name in rv1108, it
seems that this should have been four distinct elements. Fix it up by
adding the comma as suggested.
Fixes: 307a2e9ac524 ("clk: rockchip: add clock controller for rk3228")
Link: https://github.com/ClangBuiltLinux/linux/issues/1123
Signed-off-by: Nathan Chancellor
le 'udc' set
> but not used [-Wunused-but-set-variable]
>
> Signed-off-by: Krzysztof Kozlowski
Weird, looks like it has been unused since the introduction of the
driver.
Reviewed-by: Nathan Chancellor
> ---
> drivers/usb/gadget/udc/s3c2410_udc.c | 3 ---
> 1 file changed, 3 deletion
ere re-purposed, this
> was triggering miscalculations on all clocks hanging from the VPU clock,
> notably the aux UART, making its output unintelligible.
>
> Fixes: 42de9ad400af ("clk: bcm2835: Add BCM2711_CLOCK_EMMC2 support")
> Reported-by: Nathan Chancellor
> Signed
On Tue, Jul 28, 2020 at 12:09:18PM +0200, Christoph Hellwig wrote:
> Ok, I found a slight bug that wasn't intended. I wanted to make sure
> we can always fall back to a lower pool, but got that wrong. Should be
> fixed in the next version.
Hi Christoph and Nicolas,
Did a version of that series
On Sun, Jul 26, 2020 at 06:03:58PM +0200, Christoph Hellwig wrote:
> Always use so that we can move more declarations to
> common code. In two of the three cases the asm include was in addition
> to an existing one for anyway.
>
> Signed-off-by: Christoph Hellwig
> ---
>
On Thu, Jul 30, 2020 at 08:37:01AM -0700, 'Sami Tolvanen' via Clang Built Linux
wrote:
> Commit f7b93d42945c ("arm64/alternatives: use subsections for replacement
> sequences") breaks LLVM's integrated assembler, because due to its
> one-pass design, it cannot compute instruction sequence lengths
On Tue, Jul 28, 2020 at 03:39:21PM -0700, Randy Dunlap wrote:
> On 7/28/20 2:55 PM, Andrew Morton wrote:
> > On Tue, 28 Jul 2020 05:33:58 -0700 Randy Dunlap
> > wrote:
> >
> >> On 7/27/20 6:19 PM, Andrew Morton wrote:
> >>> The mm-of-the-moment snapshot 2020-07-27-18-18 has been uploaded to
>
On Sat, Jul 25, 2020 at 08:19:47AM +0200, Greg Kroah-Hartman wrote:
> On Fri, Jul 24, 2020 at 11:03:54PM -0700, Nathan Chancellor wrote:
> > When booting up on a Raspberry Pi 4 with Control Flow Integrity checking
> > enabled, the following warning/panic happens:
> >
&
pointer prototype. Make the
function pointer protoype match the definitions so that there is no
more violation.
Cc: sta...@vger.kernel.org
Fixes: 7de1debcd2de ("usb: dwc2: Remove platform static params")
Link: https://github.com/ClangBuiltLinux/linux/issues/1107
Signed-off-by: Nathan
On Thu, Jul 23, 2020 at 06:45:07AM +0200, Sedat Dilek wrote:
> On Thu, Jul 23, 2020 at 6:15 AM Nathan Chancellor
> wrote:
> >
> > Newer versions of clang only look for $(COMPAT_GCC_TOOLCHAIN_DIR)as [1],
> > rather than $(COMPAT_GCC_TOOLCHAIN_DIR)$(CROSS_COMPILE_
ect/commit/3452a0d8c17f7166f479706b293caf6ac76ffd90
[2]: https://lore.kernel.org/lkml/20200721173125.1273884-1-mask...@google.com/
Cc: sta...@vger.kernel.org
Link: https://github.com/ClangBuiltLinux/linux/issues/1099
Signed-off-by: Nathan Chancellor
---
arch/arm64/kernel/vdso32/Makefile | 2 +-
1 file changed, 1 insertion(+),
rch64-linux-gnu-as.
> > >
> > > Set --prefix= to $(GCC_TOOLCHAIN_DIR)$(CROSS_COMPILE)
> > > (/usr/bin/aarch64-linux-gnu-) so that newer Clang can find the
> > > appropriate cross compiling GNU as (when -no-integrated-as is in
> > > effect).
> > >
> >
/bin/aarch64-linux-gnu-) so that newer Clang can find the
> appropriate cross compiling GNU as (when -no-integrated-as is in
> effect).
>
> Signed-off-by: Nathan Chancellor
> Signed-off-by: Fangrui Song
> Link: https://github.com/ClangBuiltLinux/linux/issues/1099
Sorry that I did n
aked+0x34/0x38
>
> Signed-off-by: Luca Stefani
> Tested-by: freak07
> Acked-by: Anton Altaparmakov
Reviewed-by: Nathan Chancellor
> ---
> fs/ntfs/dir.c | 2 +-
> fs/ntfs/inode.c | 27 ++-
> fs/ntfs/inode.h | 4 +---
> fs/ntfs/mft.c | 4
On Sat, Jul 18, 2020 at 09:50:50AM +0200, Geert Uytterhoeven wrote:
> Hi Nathan,
>
> On Wed, Jun 24, 2020 at 6:02 AM Nathan Chancellor
> wrote:
> > arch/powerpc/boot/main.c:107:18: warning: array comparison always
> > evaluates to a constant [-Wtautological-compare]
>
On Fri, Jul 17, 2020 at 07:55:02PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap
>
> Drop the doubled word "the" in a comment.
>
> Signed-off-by: Randy Dunlap
> Cc: clang-built-li...@googlegroups.com
Reviewed-by: Nathan Chancellor
> ---
> include/lin
om: Introduce helper to store pil info in
> IMEM")
> Reported-by: Lee Jones
> Reported-by: Nathan Chancellor
> Signed-off-by: Bjorn Andersson
Tested-by: Nathan Chancellor # build
> ---
> drivers/remoteproc/qcom_pil_info.c | 2 +-
> 1 file changed, 1 insertion(+), 1 de
On Thu, Jul 16, 2020 at 07:29:03PM +0300, Neftin, Sasha wrote:
> On 7/16/2020 07:49, Nathan Chancellor wrote:
> > Clang warns:
> >
> Hello Nathan,
> Thanks for tracking our code.Please, look at
> https://patchwork.ozlabs.org/project/intel-wired-lan/patch/20200709
On Mon, Jun 22, 2020 at 12:19:39PM -0700, Bjorn Andersson wrote:
> A region in IMEM is used to communicate load addresses of remoteproc to
> post mortem debug tools. Implement a helper function that can be used to
> store this information in order to enable these tools to process
> collected
ot;)
Link: https://github.com/ClangBuiltLinux/linux/issues/1095
Signed-off-by: Nathan Chancellor
---
drivers/net/ethernet/intel/igc/igc_mac.c | 6 ++
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c
b/drivers/net/ethernet/intel/igc/igc_mac.c
in
f so that the function always does what it should
do.
Fixes: 239bef676d8e ("drm/i915/display: Implement new combo phy initialization
step")
Link: https://github.com/ClangBuiltLinux/linux/issues/1094
Signed-off-by: Nathan Chancellor
---
drivers/gpu/drm/i915/display/intel_combo_phy.c | 4 ++--
1 f
On Sun, Jul 12, 2020 at 10:59:17AM +0200, Sedat Dilek wrote:
> On Sat, Jul 11, 2020 at 6:32 PM Paul Menzel wrote:
> >
> > Dear Sami,
> >
> >
> > Am 24.06.20 um 22:31 schrieb Sami Tolvanen:
> > > This patch series adds support for building x86_64 and arm64 kernels
> > > with Clang's Link Time
On Fri, Jul 10, 2020 at 01:24:59PM +0100, Mark Brown wrote:
> On Thu, Jul 09, 2020 at 07:41:00PM -0700, Nathan Chancellor wrote:
>
> > When CONFIG_SND_SOC_ZL38060 is y, MODULE_DEVICE_TABLE expands to nothing
> > so zl38_dt_ids will be unused. This is a pretty common construct
On Fri, Jul 10, 2020 at 03:31:00PM -0700, Linus Torvalds wrote:
> On Fri, Jul 10, 2020 at 11:43 AM Nick Desaulniers
> wrote:
> >
> > What I'd really like to see as a policy in the kernel going forward in
> > that ANY new commit that adds some hack or workaround for a specific
> > compiler version
On Fri, Jul 10, 2020 at 03:43:43PM -0700, Linus Torvalds wrote:
> On Fri, Jul 10, 2020 at 3:34 PM Nathan Chancellor
> wrote:
> >
> > Clang 8 was chosen as a minimum version for this check because there
> > were some improvements around __builtin_constant_p in that relea
that check was not
technically necessary. Just remove all compiler checks and just assume
that we have a working compiler.
Fixes: d4e60453266b ("Restore gcc check in mips asm/unroll.h")
Link:
https://travis-ci.com/github/ClangBuiltLinux/continuous-integration/jobs/359642821
Signed-off-
On Fri, Jul 10, 2020 at 12:47:31AM +0800, kernel test robot wrote:
> Hi Sven,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> master
> head: 0bddd227f3dc55975e2b8dfa7fc6f959b062a2c7
> commit:
Hi Andres,
On Tue, Jun 30, 2020 at 08:12:20PM -0400, Andres Beltran wrote:
> Currently, pointers to guest memory are passed to Hyper-V as
> transaction IDs in storvsc. In the face of errors or malicious
> behavior in Hyper-V, storvsc should not expose or trust the transaction
> IDs returned by
Hi Danny,
On Thu, Jul 02, 2020 at 04:39:29PM -0700, Danny Lin wrote:
> The old reasoning for disabling Clang's global merging optimization is
> that it breaks modpost by coalescing many symbols into _MergedGlobals.
> However, modpost is only used in builds with dynamic modules;
> vmlinux.symvers
1170972 KiB
> > After:56 sections, 1171169 KiB
Am I reading this right that coalescing those sections increases the
image size? Kind of interesting.
> > [1]
> > https://github.com/llvm/llvm-project/commit/9e33c096476ab5e02ab1c8442cc3cb4e32e29f17
> >
> > Link: http
pu clk") so it was never noticed.
Fixes: f756e362d938 ("clk: mvebu: add CPU clock driver for Armada 7K/8K")
Signed-off-by: Nathan Chancellor
---
I do not know who should actually take this patch since the problematic
patch is on Viresh's cpufreq/arm/linux-next but the problem or
>
> When $(CC) is Clang, it is checked against the host architecture
> because --target option is missing.
>
> Pass $(CLANG_FLAGS) to scripts/cc-can-link.sh to evaluate the link
> capability for the target architecture.
>
> Signed-off-by: Masahiro Yamada
Reviewed-by: Natha
fix.
>
> Clang builds userspace programs always for the host architecture
> because the target triple is currently missing.
>
> Fix this.
>
> Fixes: 7f3a59db274c ("kbuild: add infrastructure to build userspace programs")
> Signed-off-by: Masahiro Yamada
>
that this is going to happen based on the configuration, which is the
standard for these types of functions.
Fixes: 2caf751fe080 ("amd8111e: Convert to generic power management")
Signed-off-by: Nathan Chancellor
---
drivers/net/ethernet/amd/amd8111e.c | 4 ++--
1 file changed, 2 insertions(+), 2
On Tue, Jun 23, 2020 at 02:14:05AM +, Aisheng Dong wrote:
> > From: Nathan Chancellor
> > Sent: Tuesday, June 23, 2020 9:04 AM
> >
> > When CONFIG_PM and CONFIG_PM_SLEEP are unset, the following warnings
> > occur:
> >
> > dri
On Wed, Jun 24, 2020 at 02:22:08PM -0400, Dennis Dalessandro wrote:
> On 6/22/2020 8:52 PM, Nathan Chancellor wrote:
> > Clang warns:
> >
> > drivers/infiniband/hw/hfi1/qp.c:198:9: warning: implicit conversion from
> > enumeration type 'enum opa_mtu' to different enumer
On Tue, Jun 16, 2020 at 06:02:32PM -0700, Nathan Chancellor wrote:
> Clang warns:
>
> In file included from sound/soc/intel/keembay/kmb_platform.c:14:
> sound/soc/intel/keembay/kmb_platform.h:9:9: warning: 'KMB_PLATFORM_H_'
> is used as a header guard here, followed by #define
to the compiler
that this is going to happen based on the configuration, which is the
standard for these types of functions.
Fixes: a86688fbef1b ("pcnet32: Convert to generic power management")
Signed-off-by: Nathan Chancellor
---
drivers/net/ethernet/amd/pcnet32.c | 4 ++--
1 file changed, 2 insert
On Mon, Jun 29, 2020 at 01:27:20PM -0700, Jaegeuk Kim wrote:
> If two readahead threads having same offset enter in readpages, every read
> IOs are split and issued to the disk which giving lower bandwidth.
>
> This patch tries to avoid redundant readahead calls.
>
> Signed-off-by: Jaegeuk Kim
vi = ilookup5_nowait(sb, mft_no, ntfs_test_inode, );
> }
> if (vi) {
> ntfs_debug("Base inode 0x%lx is in icache.", mft_no);
> @@ -1019,7 +1019,7 @@ bool ntfs_may_write_mft_record(ntfs_volume *vol, const
> unsigned long mft_no,
> vi = igrab(mft_vi);
> BUG_ON(vi != mft_vi);
> } else
> - vi = ilookup5_nowait(sb, na.mft_no, (test_t)ntfs_test_inode,
> + vi = ilookup5_nowait(sb, na.mft_no, ntfs_test_inode,
> );
> if (!vi) {
> /*
> --
> 2.26.2
>
Other than those minor nits,
Reviewed-by: Nathan Chancellor
On Fri, Jun 26, 2020 at 04:42:25PM +1000, Herbert Xu wrote:
> On Tue, Jun 23, 2020 at 09:58:39PM +0800, kernel test robot wrote:
> >
> > >> drivers/char/hw_random/npcm-rng.c:166:34: warning: unused variable
> > >> 'rng_dt_id' [-Wunused-const-variable]
> >static const struct of_device_id
an assignment within an
if statement. Since equality comparisons do not need a second set of
parentheses, remove them to fix the warning.
Fixes: 18cb261afd7b ("bonding: support hardware encryption offload to slaves")
Link: https://github.com/ClangBuiltLinux/linux/issues/1066
Signed-off-
Hi Sami,
On Wed, Jun 24, 2020 at 01:31:40PM -0700, 'Sami Tolvanen' via Clang Built Linux
wrote:
> This change adds build system support for Clang's Link Time
> Optimization (LTO). With -flto, instead of ELF object files, Clang
> produces LLVM bitcode, which is compiled into native code at link
>
Hi Geoff,
On Wed, Jun 24, 2020 at 06:18:48PM -0700, Geoff Levand wrote:
> Hi Nathan,
>
> On 6/23/20 8:59 PM, Nathan Chancellor wrote:
> > These are not true arrays, they are linker defined symbols, which are
> > just addresses. Using the address of operator silences the
On Tue, Jun 23, 2020 at 09:53:15PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.4.49 release.
> There are 314 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me
sembly with either clang/ld.lld
or gcc/ld (tested with diff + objdump -Dr).
Link: https://github.com/ClangBuiltLinux/linux/issues/212
Reported-by: Joel Stanley
Signed-off-by: Nathan Chancellor
---
arch/powerpc/boot/main.c | 4 ++--
arch/powerpc/boot/ps3.c | 2 +-
2 files changed, 3 insertions(+), 3 del
Hi Jiri and Cristian,
On Wed, Jun 24, 2020 at 12:13:57AM +0200, Jiri Kosina wrote:
> On Tue, 23 Jun 2020, Stephen Rothwell wrote:
>
> > > I don't know what caused it, but commit
> > >
> > > 470376737e88 ("HID: allow building hid.ko as an external module")
> > >
> > > did not fix it. BTW, I
On Mon, Jun 22, 2020 at 09:32:12PM -0700, Nitin Gupta wrote:
> On 6/22/20 7:26 PM, Nathan Chancellor wrote:
> > On Tue, Jun 16, 2020 at 01:45:27PM -0700, Nitin Gupta wrote:
> >> For some applications, we need to allocate almost all memory as
> >> hugepages. However,
On Tue, Jun 16, 2020 at 01:45:27PM -0700, Nitin Gupta wrote:
> For some applications, we need to allocate almost all memory as
> hugepages. However, on a running system, higher-order allocations can
> fail if the memory is fragmented. Linux kernel currently does on-demand
> compaction as we
ix the name of CMA areas"),
cma->name will be an array with some value worth printing so we do not
need to check for NULL.
Link: https://github.com/ClangBuiltLinux/linux/issues/1063
Signed-off-by: Nathan Chancellor
---
mm/cma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -
fled again.
Link: https://github.com/ClangBuiltLinux/linux/issues/1059
Suggested-by: Nick Desaulniers
Signed-off-by: Nathan Chancellor
---
drivers/gpu/drm/omapdrm/omap_connector.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c
b/drive
)
|^~~~
Mark these functions as __maybe_unused, which is the standard procedure
for PM functions.
Fixes: bb2b2624dbe2 ("mailbox: imx: Add runtime PM callback to handle MU
clocks")
Signed-off-by: Nathan Chancellor
---
drivers/mailbox/imx-mailbox.c | 8 --
ipoib Datagram mode MTU's upper limit")
Link: https://github.com/ClangBuiltLinux/linux/issues/1062
Link:
https://lore.kernel.org/linux-rdma/20200527040350.GA3118979@ubuntu-s3-xlarge-x86/
Signed-off-by: Nathan Chancellor
---
drivers/infiniband/hw/hfi1/qp.c | 2 +-
1 file changed, 1 inser
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