In DTLBError handler there is not need to restore r10, r11 and cr registers after fixing DAR as they are saved again to the same place just after.
Signed-off-by: Christophe Leroy <[email protected]> --- arch/powerpc/kernel/head_8xx.S | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 5f04d5f..e5a250c 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -478,8 +478,8 @@ DataTLBError: cmpwi cr0, r11, 0x00f0 beq- FixupDAR /* must be a buggy dcbX, icbi insn. */ DARFixed:/* Return from dcbx instruction bug workaround */ - EXCEPTION_EPILOG_0 - EXCEPTION_PROLOG + EXCEPTION_PROLOG_1 + EXCEPTION_PROLOG_2 mfspr r10,SPRN_DSISR stw r10,_DSISR(r11) mr r5,r10 -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
