Le 26/01/2021 à 11:18, Nicholas Piggin a écrit :
Excerpts from Christophe Leroy's message of January 26, 2021 12:48 am:Save r3 in regs->orig_r3 in system_call_exception() Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu> --- arch/powerpc/kernel/entry_64.S | 1 - arch/powerpc/kernel/syscall.c | 2 ++ 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index aa1af139d947..a562a4240aa6 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -278,7 +278,6 @@ END_BTB_FLUSH_SECTION std r10,_LINK(r1) std r11,_TRAP(r1) std r12,_CCR(r1) - std r3,ORIG_GPR3(r1) addi r10,r1,STACK_FRAME_OVERHEAD ld r11,exception_marker@toc(r2) std r11,-16(r10) /* "regshere" marker */This misses system_call_vectored.
Oops yes, this patch was cooked before SCV where introduced. Fixes in v5. Thanks Christophe
