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authorThomas Gleixner <tglx@linutronix.de>2008-02-04 16:47:55 +0100
committerIngo Molnar <mingo@elte.hu>2008-02-04 16:47:55 +0100
commitb50516fc20f756cf4d18a89f6f9977d60151ccba (patch)
tree630e6e83bf8fc5dfb0143c2218b5893e9b9adac8
parent4cf31841762954ad2868156ccba94d798a16630f (diff)
x86: CPA remove bogus NX clear
In split_large_page we clear the NX bit for the new split ptes, but we need to preserve the original setting of it for the split ptes. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/mm/pageattr.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index e297bd65e51..877b5cca2cb 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -225,7 +225,6 @@ static int split_large_page(pte_t *kpte, unsigned long address)
paravirt_alloc_pt(&init_mm, page_to_pfn(base));
#endif
- pgprot_val(ref_prot) &= ~_PAGE_NX;
for (i = 0; i < PTRS_PER_PTE; i++, addr += PAGE_SIZE)
set_pte(&pbase[i], pfn_pte(addr >> PAGE_SHIFT, ref_prot));