diff options
Diffstat (limited to 'arch/powerpc/kernel/paca.c')
| -rw-r--r-- | arch/powerpc/kernel/paca.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c index 10f0aadee95..102244edecf 100644 --- a/arch/powerpc/kernel/paca.c +++ b/arch/powerpc/kernel/paca.c @@ -156,11 +156,22 @@ void __init initialise_paca(struct paca_struct *new_paca, int cpu) /* Put the paca pointer into r13 and SPRG_PACA */ void setup_paca(struct paca_struct *new_paca) { + /* Setup r13 */ local_paca = new_paca; - mtspr(SPRN_SPRG_PACA, local_paca); + #ifdef CONFIG_PPC_BOOK3E + /* On Book3E, initialize the TLB miss exception frames */ mtspr(SPRN_SPRG_TLB_EXFRAME, local_paca->extlb); +#else + /* In HV mode, we setup both HPACA and PACA to avoid problems + * if we do a GET_PACA() before the feature fixups have been + * applied + */ + if (cpu_has_feature(CPU_FTR_HVMODE_206)) + mtspr(SPRN_SPRG_HPACA, local_paca); #endif + mtspr(SPRN_SPRG_PACA, local_paca); + } static int __initdata paca_size; |