diff options
Diffstat (limited to 'include/asm-x86/pgalloc_32.h')
| -rw-r--r-- | include/asm-x86/pgalloc_32.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/asm-x86/pgalloc_32.h b/include/asm-x86/pgalloc_32.h index 7641e7b5d931..6c21ef951dab 100644 --- a/include/asm-x86/pgalloc_32.h +++ b/include/asm-x86/pgalloc_32.h | |||
| @@ -80,8 +80,10 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) | |||
| 80 | set_pud(pudp, __pud(__pa(pmd) | _PAGE_PRESENT)); | 80 | set_pud(pudp, __pud(__pa(pmd) | _PAGE_PRESENT)); |
| 81 | 81 | ||
| 82 | /* | 82 | /* |
| 83 | * Pentium-II erratum A13: in PAE mode we explicitly have to flush | 83 | * According to Intel App note "TLBs, Paging-Structure Caches, |
| 84 | * the TLB via cr3 if the top-level pgd is changed... | 84 | * and Their Invalidation", April 2007, document 317080-001, |
| 85 | * section 8.1: in PAE mode we explicitly have to flush the | ||
| 86 | * TLB via cr3 if the top-level pgd is changed... | ||
| 85 | */ | 87 | */ |
| 86 | if (mm == current->active_mm) | 88 | if (mm == current->active_mm) |
| 87 | write_cr3(read_cr3()); | 89 | write_cr3(read_cr3()); |