diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-11-23 07:18:09 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-11-23 07:18:09 +0100 |
| commit | 064e6a8ba61a751625478f656c6f76a6f37a009e (patch) | |
| tree | a22d84d037543f74b6c86969c7e87ab799768de9 /arch/powerpc/kernel/exceptions-64s.S | |
| parent | af25ed59b5616b389d90877f7085dc5d457a3d49 (diff) | |
| parent | 23400ac997062647f2b63c82030d189671b1effe (diff) | |
Merge branch 'linus' into x86/fpu, to resolve conflicts
Conflicts:
arch/x86/kernel/fpu/core.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/kernel/exceptions-64s.S')
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 08ba447a4b3d..1ba82ea90230 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -116,7 +116,9 @@ EXC_VIRT_NONE(0x4000, 0x4100) EXC_REAL_BEGIN(system_reset, 0x100, 0x200) SET_SCRATCH0(r13) - EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, system_reset_common, EXC_STD, + GET_PACA(r13) + clrrdi r13,r13,1 /* Last bit of HSPRG0 is set if waking from winkle */ + EXCEPTION_PROLOG_PSERIES_PACA(PACA_EXGEN, system_reset_common, EXC_STD, IDLETEST, 0x100) EXC_REAL_END(system_reset, 0x100, 0x200) @@ -124,6 +126,9 @@ EXC_VIRT_NONE(0x4100, 0x4200) #ifdef CONFIG_PPC_P7_NAP EXC_COMMON_BEGIN(system_reset_idle_common) +BEGIN_FTR_SECTION + GET_PACA(r13) /* Restore HSPRG0 to get the winkle bit in r13 */ +END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300) bl pnv_restore_hyp_resource li r0,PNV_THREAD_RUNNING @@ -169,7 +174,7 @@ EXC_REAL_BEGIN(machine_check, 0x200, 0x300) SET_SCRATCH0(r13) /* save r13 */ /* * Running native on arch 2.06 or later, we may wakeup from winkle - * inside machine check. If yes, then last bit of HSPGR0 would be set + * inside machine check. If yes, then last bit of HSPRG0 would be set * to 1. Hence clear it unconditionally. */ GET_PACA(r13) @@ -388,7 +393,7 @@ EXC_COMMON_BEGIN(machine_check_handle_early) /* * Go back to winkle. Please note that this thread was woken up in * machine check from winkle and have not restored the per-subcore - * state. Hence before going back to winkle, set last bit of HSPGR0 + * state. Hence before going back to winkle, set last bit of HSPRG0 * to 1. This will make sure that if this thread gets woken up * again at reset vector 0x100 then it will get chance to restore * the subcore state. |