From b50516fc20f756cf4d18a89f6f9977d60151ccba Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Mon, 4 Feb 2008 16:47:55 +0100 Subject: [PATCH] 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 Signed-off-by: Ingo Molnar --- arch/x86/mm/pageattr.c | 1 - 1 file changed, 1 deletion(-) 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)); -- 2.20.1