diff options
| -rw-r--r-- | arch/powerpc/kernel/head_8xx.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 678f98cd5e64..a2ed3422fa3d 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -768,12 +768,12 @@ start_here: */ initial_mmu: tlbia /* Invalidate all TLB entries */ -#ifdef CONFIG_PIN_TLB +/* Always pin the first 8 MB ITLB to prevent ITLB + misses while mucking around with SRR0/SRR1 in asm +*/ lis r8, MI_RSV4I@h ori r8, r8, 0x1c00 -#else - li r8, 0 -#endif + mtspr SPRN_MI_CTR, r8 /* Set instruction MMU control */ #ifdef CONFIG_PIN_TLB |