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[Xen-devel] [PATCH] xen: remove redundant pte mask operations

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Subject: [Xen-devel] [PATCH] xen: remove redundant pte mask operations
From: Andrew Jones <drjones@xxxxxxxxxx>
Date: Fri, 14 Jan 2011 17:47:30 +0100
Cc: jeremy@xxxxxxxx
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There is redundant code in xen_start_kernel, remove the second
case of it.

Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx>
 arch/x86/xen/enlighten.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 7e8d3bc..cae3161 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1185,10 +1185,6 @@ asmlinkage void __init xen_start_kernel(void)
        pgd = (pgd_t *)xen_start_info->pt_base;
-       if (!xen_initial_domain())
-               __supported_pte_mask &= ~(_PAGE_PWT | _PAGE_PCD);
-       __supported_pte_mask |= _PAGE_IOMAP;
        /* Don't do the full vcpu_info placement stuff until we have a
           possible map and a non-dummy shared_info. */
        per_cpu(xen_vcpu, 0) = &HYPERVISOR_shared_info->vcpu_info[0];

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