On 7/15/20 4:37 PM, John Paul Adrian Glaubitz wrote:
> Okay, kernel 5.0.0 does not suffer from this bug. So I should be able to
> bisect
> this particular issue.
>
> I'm glad I don't have to start bisecting with earlier kernels because these
> won't build easily with my current toolchain based on gcc-9.
>
> Will report once I found the bad commit that introduced the problem.
Found the culprit:
c5b27a889da92f4a969d61df77bd4f79ffce57c9 is the first bad commit
commit c5b27a889da92f4a969d61df77bd4f79ffce57c9
Author: Peter Zijlstra <pet...@infradead.org>
Date: Tue Sep 4 14:45:04 2018 +0200
sh/tlb: Convert SH to generic mmu_gather
Generic mmu_gather provides everything SH needs (range tracking and
cache coherency).
No change in behavior intended.
Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Andy Lutomirski <l...@kernel.org>
Cc: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Cc: Borislav Petkov <b...@alien8.de>
Cc: Dave Hansen <dave.han...@linux.intel.com>
Cc: H. Peter Anvin <h...@zytor.com>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Nick Piggin <npig...@gmail.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Rich Felker <dal...@libc.org>
Cc: Rik van Riel <r...@surriel.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Will Deacon <will.dea...@arm.com>
Cc: Yoshinori Sato <ys...@users.sourceforge.jp>
Signed-off-by: Ingo Molnar <mi...@kernel.org>
arch/sh/include/asm/pgalloc.h | 9 +++
arch/sh/include/asm/tlb.h | 130 +-----------------------------------------
2 files changed, 10 insertions(+), 129 deletions(-)
CC'ing the author (Peter Zijlstra <pet...@infradead.org>).
Adrian
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaub...@debian.org
`. `' Freie Universitaet Berlin - glaub...@physik.fu-berlin.de
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
