On 5/12/2021 11:51 AM, Greg Kroah-Hartman wrote:
On Thu, May 13, 2021 at 12:18:32AM +0530, Naresh Kamboju wrote:
On Wed, 12 May 2021 at 23:26, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
On Wed, May 12, 2021 at 10:53:04PM +0530, Naresh Kamboju wrote:
On Wed, 12 May 2021 at 21:27, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
This is the start of the stable review cycle for the 5.12.4 release.
There are 677 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 know.
Responses should be made by Fri, 14 May 2021 14:47:09 +0000.
Anything received after that time might be too late.
The whole patch series can be found in one patch at:
https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.12.4-rc1.gz
or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.12.y
and the diffstat can be found below.
thanks,
greg k-h
MIPS Clang build regression detected.
MIPS gcc-10,9 and 8 build PASS.
Maciej W. Rozycki <macro@xxxxxxxxxxx>
MIPS: Reinstate platform `__div64_32' handler
mips clang build breaks on stable rc 5.4 .. 5.12 due to below warnings / errors
- mips (defconfig) with clang-12
- mips (tinyconfig) with clang-12
- mips (allnoconfig) with clang-12
make --silent --keep-going --jobs=8
O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=mips
CROSS_COMPILE=mips-linux-gnu- 'HOSTCC=sccache clang' 'CC=sccache
clang'
kernel/time/hrtimer.c:318:2: error: couldn't allocate output register
for constraint 'x'
do_div(tmp, (u32) div);
^
include/asm-generic/div64.h:243:11: note: expanded from macro 'do_div'
__rem = __div64_32(&(n), __base); \
^
arch/mips/include/asm/div64.h:74:11: note: expanded from macro '__div64_32'
__asm__("divu $0, %z1, %z2" \
^
1 error generated.
Does this also show up in Linus's tree? The same MIPS patch is there as
well from what I can tell.
No.
Linus's tree builds MIPS clang successfully.
Ick, ok, I'll go drop this and let a MIPS developer send us the correct
thing.
thanks!
greg k-h
I think you just need to grab commits c1d337d45ec0 ("MIPS: Avoid DIVU in
`__div64_32' is result would be zero") and 25ab14cbe9d1 ("MIPS: Avoid
handcoded DIVU in `__div64_32' altogether") to fix this up.
Cheers,
Nathan
