From abd1f4ca2b41ffba768c3baadc006a95d178fbf1 Mon Sep 17 00:00:00 2001 From: Nicholas Piggin Date: Fri, 2 Aug 2019 20:56:37 +1000 Subject: [PATCH] powerpc/64s/exception: machine check move tramp code Following convention, move the tramp code (unrelocated) above the common handlers (relocated). Signed-off-by: Nicholas Piggin Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20190802105709.27696-13-npiggin@gmail.com --- arch/powerpc/kernel/exceptions-64s.S | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index a1f0a88d39a5..06821b199511 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -945,6 +945,17 @@ EXC_REAL_BEGIN(machine_check, 0x200, 0x100) EXC_REAL_END(machine_check, 0x200, 0x100) EXC_VIRT_NONE(0x4200, 0x100) +#ifdef CONFIG_PPC_PSERIES +TRAMP_REAL_BEGIN(machine_check_fwnmi) + /* See comment at machine_check exception, don't turn on RI */ + EXCEPTION_PROLOG_0 PACA_EXMC + EXCEPTION_PROLOG_1 EXC_STD, PACA_EXMC, 0, 0x200, 1, 1, 0 + mfctr r10 /* save ctr */ + BRANCH_TO_C000(r11, machine_check_early_common) +#endif + +TRAMP_KVM_SKIP(PACA_EXMC, 0x200) + EXC_COMMON_BEGIN(machine_check_early_common) mtctr r10 /* Restore ctr */ mfspr r11,SPRN_SRR0 @@ -1018,17 +1029,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE) b 1b b . /* prevent speculative execution */ -#ifdef CONFIG_PPC_PSERIES -TRAMP_REAL_BEGIN(machine_check_fwnmi) - /* See comment at machine_check exception, don't turn on RI */ - EXCEPTION_PROLOG_0 PACA_EXMC - EXCEPTION_PROLOG_1 EXC_STD, PACA_EXMC, 0, 0x200, 1, 1, 0 - mfctr r10 /* save ctr */ - BRANCH_TO_C000(r11, machine_check_early_common) -#endif - -TRAMP_KVM_SKIP(PACA_EXMC, 0x200) - EXC_COMMON_BEGIN(machine_check_common) /* * Machine check is different because we use a different -- 2.30.2