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| author | Ingo Molnar <mingo@elte.hu> | 2010-10-30 10:43:08 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-10-30 10:43:08 +0200 |
| commit | 169ed55bd30305b933f52bfab32a58671d44ab68 (patch) | |
| tree | 32e280957474f458901abfce16fa2a1687ef7497 /arch/powerpc/kvm/book3s_rmhandlers.S | |
| parent | 3d7851b3cdd43a734e5cc4c643fd886ab28ad4d5 (diff) | |
| parent | 45f81b1c96d9793e47ce925d257ea693ce0b193e (diff) | |
| download | blackbird-obmc-linux-169ed55bd30305b933f52bfab32a58671d44ab68.tar.gz blackbird-obmc-linux-169ed55bd30305b933f52bfab32a58671d44ab68.zip | |
Merge branch 'tip/perf/jump-label-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent
Diffstat (limited to 'arch/powerpc/kvm/book3s_rmhandlers.S')
| -rw-r--r-- | arch/powerpc/kvm/book3s_rmhandlers.S | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/arch/powerpc/kvm/book3s_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S index 506d5c316c96..2b9c9088d00e 100644 --- a/arch/powerpc/kvm/book3s_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_rmhandlers.S @@ -202,8 +202,25 @@ _GLOBAL(kvmppc_rmcall) #if defined(CONFIG_PPC_BOOK3S_32) #define STACK_LR INT_FRAME_SIZE+4 + +/* load_up_xxx have to run with MSR_DR=0 on Book3S_32 */ +#define MSR_EXT_START \ + PPC_STL r20, _NIP(r1); \ + mfmsr r20; \ + LOAD_REG_IMMEDIATE(r3, MSR_DR|MSR_EE); \ + andc r3,r20,r3; /* Disable DR,EE */ \ + mtmsr r3; \ + sync + +#define MSR_EXT_END \ + mtmsr r20; /* Enable DR,EE */ \ + sync; \ + PPC_LL r20, _NIP(r1) + #elif defined(CONFIG_PPC_BOOK3S_64) #define STACK_LR _LINK +#define MSR_EXT_START +#define MSR_EXT_END #endif /* @@ -215,19 +232,12 @@ _GLOBAL(kvmppc_load_up_ ## what); \ PPC_STLU r1, -INT_FRAME_SIZE(r1); \ mflr r3; \ PPC_STL r3, STACK_LR(r1); \ - PPC_STL r20, _NIP(r1); \ - mfmsr r20; \ - LOAD_REG_IMMEDIATE(r3, MSR_DR|MSR_EE); \ - andc r3,r20,r3; /* Disable DR,EE */ \ - mtmsr r3; \ - sync; \ + MSR_EXT_START; \ \ bl FUNC(load_up_ ## what); \ \ - mtmsr r20; /* Enable DR,EE */ \ - sync; \ + MSR_EXT_END; \ PPC_LL r3, STACK_LR(r1); \ - PPC_LL r20, _NIP(r1); \ mtlr r3; \ addi r1, r1, INT_FRAME_SIZE; \ blr @@ -242,10 +252,10 @@ define_load_up(vsx) .global kvmppc_trampoline_lowmem kvmppc_trampoline_lowmem: - .long kvmppc_handler_lowmem_trampoline - CONFIG_KERNEL_START + PPC_LONG kvmppc_handler_lowmem_trampoline - CONFIG_KERNEL_START .global kvmppc_trampoline_enter kvmppc_trampoline_enter: - .long kvmppc_handler_trampoline_enter - CONFIG_KERNEL_START + PPC_LONG kvmppc_handler_trampoline_enter - CONFIG_KERNEL_START #include "book3s_segment.S" |
