Re: [PATCH 5.15 000/256] 5.15.27-rc2 review

[Greg Kroah-Hartman]

On Tue, Mar 08, 2022 at 11:08:10PM +0530, Naresh Kamboju wrote:
> Hi Greg,
> 
> On Tue, 8 Mar 2022 at 21:40, Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> wrote:
> >
> > On Tue, Mar 8, 2022 at 3:36 PM Sudip Mukherjee
> > <sudipm.mukherjee@xxxxxxxxx> wrote:
> > >
> > > Hi Greg,
> > >
> > > On Mon, Mar 07, 2022 at 05:28:50PM +0100, Greg Kroah-Hartman wrote:
> > > > This is the start of the stable review cycle for the 5.15.27 release.
> > > > There are 256 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.
> > > >
> >
> > <snip>
> >
> > >
> > > Mips failures,
> > >
> > > allmodconfig, gpr_defconfig and mtx1_defconfig fails with:
> 
> LKFT build regression noticed as Sudip reported.
>    - mips-gcc-10-allmodconfig - FAILED.
> 
> >
> > And, here is the bisect log:
> >
> > # bad: [7b9aacd770fa105a0a5f0be43bc72ce176d30331] Linux 5.15.27-rc2
> > # good: [8993e6067f263765fd26edabf3e3012e3ec4d81e] Linux 5.15.26
> > git bisect start 'HEAD' 'v5.15.26'
> > # bad: [6d4f8e67749d97f83f377911e874ca116be71fbd] drm/amd/display: For
> > vblank_disable_immediate, check PSR is really used
> > git bisect bad 6d4f8e67749d97f83f377911e874ca116be71fbd
> > # bad: [527ec9ffce51cb10a3172380aba30066ee2d056c] Input: ti_am335x_tsc
> > - fix STEPCONFIG setup for Z2
> > git bisect bad 527ec9ffce51cb10a3172380aba30066ee2d056c
> > # good: [96039b910c5a933221faa9aeca4f2fb2fa4976a1] arm64: Mark
> > start_backtrace() notrace and NOKPROBE_SYMBOL
> > git bisect good 96039b910c5a933221faa9aeca4f2fb2fa4976a1
> > # bad: [4778338032b338f80393b9dfab6832d02bddb819] MIPS: fix
> > local_{add,sub}_return on MIPS64
> > git bisect bad 4778338032b338f80393b9dfab6832d02bddb819
> > # good: [ba52217d4edd5824427134cfdfa9c2ab4390d77f] drm/amdgpu: check
> > vm ready by amdgpu_vm->evicting flag
> > git bisect good ba52217d4edd5824427134cfdfa9c2ab4390d77f
> > # good: [9eeb0cb7e2d675e3bbecc08302e3bafe21c61c52] NFSD: Fix
> > zero-length NFSv3 WRITEs
> > git bisect good 9eeb0cb7e2d675e3bbecc08302e3bafe21c61c52
> > # good: [8e68b6e3bdce82f387619e7fb6e85e6be9820182]
> > tools/resolve_btf_ids: Close ELF file on error
> > git bisect good 8e68b6e3bdce82f387619e7fb6e85e6be9820182
> > # good: [238d4d64ad4da4acefedd73094be0d1051897810] mtd: spi-nor: Fix
> > mtd size for s3an flashes
> > git bisect good 238d4d64ad4da4acefedd73094be0d1051897810
> > # first bad commit: [4778338032b338f80393b9dfab6832d02bddb819] MIPS:
> > fix local_{add,sub}_return on MIPS64
> >
> > Reverting 4778338032b3 ("MIPS: fix local_{add,sub}_return on MIPS64")
> > has fixed all the 3 build failures.
> 
> MIPS: fix local_{add,sub}_return on MIPS64
> [ Upstream commit 277c8cb3e8ac199f075bf9576ad286687ed17173 ]
> 
> Use "daddu/dsubu" for long int on MIPS64 instead of "addu/subu"
> 
> Fixes: 7232311ef14c ("local_t: mips extension")
> Signed-off-by: Huang Pei <huangpei@xxxxxxxxxxx>
> Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

Ah, I'll queue up the revert for that in the morning, thanks for finding
it.  Odd it doesn't trigger the same issue in 5.16.y.

thanks,

greg k-h