diff options
Diffstat (limited to 'arch/powerpc/kernel/entry_64.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 2f511a9..d736924 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -354,6 +354,11 @@ _GLOBAL(_switch) mflr r20 /* Return to switch caller */ mfmsr r22 li r0, MSR_FP +#ifdef CONFIG_VSX +BEGIN_FTR_SECTION + oris r0,r0,MSR_VSX@h /* Disable VSX */ +END_FTR_SECTION_IFSET(CPU_FTR_VSX) +#endif /* CONFIG_VSX */ #ifdef CONFIG_ALTIVEC BEGIN_FTR_SECTION oris r0,r0,MSR_VEC@h /* Disable altivec */ @@ -384,16 +389,16 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC) ld r8,KSP(r4) /* new stack pointer */ BEGIN_FTR_SECTION - b 2f -END_FTR_SECTION_IFCLR(CPU_FTR_SLB) -BEGIN_FTR_SECTION + BEGIN_FTR_SECTION_NESTED(95) clrrdi r6,r8,28 /* get its ESID */ clrrdi r9,r1,28 /* get current sp ESID */ -END_FTR_SECTION_IFCLR(CPU_FTR_1T_SEGMENT) -BEGIN_FTR_SECTION + FTR_SECTION_ELSE_NESTED(95) clrrdi r6,r8,40 /* get its 1T ESID */ clrrdi r9,r1,40 /* get current sp 1T ESID */ -END_FTR_SECTION_IFSET(CPU_FTR_1T_SEGMENT) + ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_1T_SEGMENT, 95) +FTR_SECTION_ELSE + b 2f +ALT_FTR_SECTION_END_IFSET(CPU_FTR_SLB) clrldi. r0,r6,2 /* is new ESID c00000000? */ cmpd cr1,r6,r9 /* or is new ESID the same as current ESID? */ cror eq,4*cr1+eq,eq |
