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| author | Nicholas Piggin <npiggin@gmail.com> | 2019-08-02 12:56:37 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-08-30 02:32:35 +0200 |
| commit | abd1f4ca2b41ffba768c3baadc006a95d178fbf1 (patch) | |
| tree | 10e22d51cf8e1ce0ad6ba3098c6c4f3ac322dac5 /arch | |
| parent | powerpc/64s/exception: machine check restructure to reuse common macros (diff) | |
| download | linux-abd1f4ca2b41ffba768c3baadc006a95d178fbf1.tar.xz linux-abd1f4ca2b41ffba768c3baadc006a95d178fbf1.zip | |
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 <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190802105709.27696-13-npiggin@gmail.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 22 |
1 files 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 |