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Date: Tue, 09 Sep 2008 15:43:25 -0700 From: Jeremy Fitzhardinge <jeremy@...p.org> To: Alex Nixon <alex.nixon@...rix.com> CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>, Andrew Morton <akpm@...ux-foundation.org> Subject: [PATCH 2/2] xen: fix pinning when not using split pte locks We only pin PTE pages when using split PTE locks, so don't do the pin/unpin when attaching/detaching pte pages to a pinned pagetable. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com> --- arch/x86/xen/enlighten.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) =================================================================== --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -864,7 +864,7 @@ if (!PageHighMem(page)) { make_lowmem_page_readonly(__va(PFN_PHYS((unsigned long)pfn))); - if (level == PT_PTE) + if (level == PT_PTE && USE_SPLIT_PTLOCKS) pin_pagetable_pfn(MMUEXT_PIN_L1_TABLE, pfn); } else /* make sure there are no stray mappings of @@ -932,7 +932,7 @@ if (PagePinned(page)) { if (!PageHighMem(page)) { - if (level == PT_PTE) + if (level == PT_PTE && USE_SPLIT_PTLOCKS) pin_pagetable_pfn(MMUEXT_UNPIN_TABLE, pfn); make_lowmem_page_readwrite(__va(PFN_PHYS(pfn))); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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