On Wed, May 12, 2021 at 12:04:04PM -0700, Nathan Chancellor wrote: > 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. It was easier for me to drop it, let's see if any MIPS developers (are there any anymore?) care enough to send the proper series. thanks, greg k-h
