Messages in this thread | | | Subject | Re: ioremap and dma cleanups and fixes for superh (2nd resend) | From | John Paul Adrian Glaubitz <> | Date | Wed, 15 Jul 2020 18:18:27 +0200 |
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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 <peterz@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) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Nick Piggin <npiggin@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rich Felker <dalias@libc.org> Cc: Rik van Riel <riel@surriel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Will Deacon <will.deacon@arm.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Signed-off-by: Ingo Molnar <mingo@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 <peterz@infradead.org>).
Adrian
-- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaubitz@debian.org `. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
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