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authorOlof Johansson <olof@lixom.net>2012-03-07 14:52:43 -0800
committerOlof Johansson <olof@lixom.net>2012-03-07 14:53:14 -0800
commit591e7afd2e686394912d65a6faeb933b76b26b5d (patch)
tree5e992381e6d9456d6293d16ad1c2ed36efcb7bd3 /arch/x86/xen/mmu.c
parentff0ea1ee058e3906502452eba60fd220ece4401d (diff)
parentc9f46a850a07dcf45ee195b958593fae1b78c221 (diff)
Merge branch 'maintainers' of git://gitorious.org/linux-davinci/linux-davinci into next/maintainers
* 'maintainers' of git://gitorious.org/linux-davinci/linux-davinci: (2 commits) MAINTAINERS: add TI DaVinci git tree information MAINTAINERS: mark TI DaVinci list as "moderated" (also included an update to 3.3-rc6) Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/x86/xen/mmu.c')
-rw-r--r--arch/x86/xen/mmu.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 58a0e46c404..95c1cf60c66 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -415,13 +415,13 @@ static pteval_t iomap_pte(pteval_t val)
static pteval_t xen_pte_val(pte_t pte)
{
pteval_t pteval = pte.pte;
-
+#if 0
/* If this is a WC pte, convert back from Xen WC to Linux WC */
if ((pteval & (_PAGE_PAT | _PAGE_PCD | _PAGE_PWT)) == _PAGE_PAT) {
WARN_ON(!pat_enabled);
pteval = (pteval & ~_PAGE_PAT) | _PAGE_PWT;
}
-
+#endif
if (xen_initial_domain() && (pteval & _PAGE_IOMAP))
return pteval;
@@ -463,7 +463,7 @@ void xen_set_pat(u64 pat)
static pte_t xen_make_pte(pteval_t pte)
{
phys_addr_t addr = (pte & PTE_PFN_MASK);
-
+#if 0
/* If Linux is trying to set a WC pte, then map to the Xen WC.
* If _PAGE_PAT is set, then it probably means it is really
* _PAGE_PSE, so avoid fiddling with the PAT mapping and hope
@@ -476,7 +476,7 @@ static pte_t xen_make_pte(pteval_t pte)
if ((pte & (_PAGE_PCD | _PAGE_PWT)) == _PAGE_PWT)
pte = (pte & ~(_PAGE_PCD | _PAGE_PWT)) | _PAGE_PAT;
}
-
+#endif
/*
* Unprivileged domains are allowed to do IOMAPpings for
* PCI passthrough, but not map ISA space. The ISA