[Xen-devel] [PATCH] xen mtrr: Use generic_validate_add_page()

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

From: Mark McLoughlin <markmc@xxxxxxxxxx>

The hypervisor already performs the same validation, but
better to do it early before getting to the range combining
code.

Signed-off-by: Mark McLoughlin <markmc@xxxxxxxxxx>
---
 arch/x86/kernel/cpu/mtrr/xen.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/cpu/mtrr/xen.c b/arch/x86/kernel/cpu/mtrr/xen.c
index 7a25f88..f226044 100644
--- a/arch/x86/kernel/cpu/mtrr/xen.c
+++ b/arch/x86/kernel/cpu/mtrr/xen.c
@@ -16,7 +16,7 @@ static struct mtrr_ops xen_mtrr_ops = {
 //     .set               = xen_set_mtrr,
 //     .get               = xen_get_mtrr,
        .get_free_region   = generic_get_free_region,
-//     .validate_add_page = xen_validate_add_page,
+       .validate_add_page = generic_validate_add_page,
        .have_wrcomb       = positive_have_wrcomb,
        .use_intel_if      = 0,
        .num_var_ranges    = xen_num_var_ranges,
-- 
1.6.0.6


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