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 <[email protected]> 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) <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Aneesh Kumar K.V <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Dave Hansen <[email protected]> Cc: H. Peter Anvin <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Nick Piggin <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rich Felker <[email protected]> Cc: Rik van Riel <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Will Deacon <[email protected]> Cc: Yoshinori Sato <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> 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 <[email protected]>). Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - [email protected] `. `' Freie Universitaet Berlin - [email protected] `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913

