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[Xen-devel] [PATCH 3/6] xen mtrr: Use generic_validate_add_page()

To: Ingo Molnar <mingo@xxxxxxx>
Subject: [Xen-devel] [PATCH 3/6] xen mtrr: Use generic_validate_add_page()
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Tue, 12 May 2009 16:27:41 -0700
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Mark McLoughlin <markmc@xxxxxxxxxx>, the arch/x86 maintainers <x86@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
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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.

[ Impact: cleanup, avoid Xen console noise ]

Signed-off-by: Mark McLoughlin <markmc@xxxxxxxxxx>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
 arch/x86/kernel/cpu/mtrr/xen.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/mtrr/xen.c b/arch/x86/kernel/cpu/mtrr/xen.c
index 8ac2ccd..3077bb3 100644
--- a/arch/x86/kernel/cpu/mtrr/xen.c
+++ b/arch/x86/kernel/cpu/mtrr/xen.c
@@ -20,6 +20,7 @@ static int __init xen_num_var_ranges(void);
 static struct mtrr_ops xen_mtrr_ops = {
        .vendor            = X86_VENDOR_UNKNOWN,
        .get_free_region   = generic_get_free_region,
+       .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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