diff options
Diffstat (limited to 'arch/x86/mm/pageattr.c')
| -rw-r--r-- | arch/x86/mm/pageattr.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 16ce841f08d6..c870424aa9ad 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -260,17 +260,6 @@ try_preserve_large_page(pte_t *kpte, unsigned long address, pgprot_t old_prot, new_prot; int level, do_split = 1; - /* - * An Athlon 64 X2 showed hard hangs if we tried to preserve - * largepages and changed the PSE entry from RW to RO. - * - * As AMD CPUs have a long series of erratas in this area, - * (and none of the known ones seem to explain this hang), - * disable this code until the hang can be debugged: - */ - if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) - return 1; - spin_lock_irqsave(&pgd_lock, flags); /* * Check for races, another CPU might have split this page |