linux-kernel - [PATCH] xen mtrr: Use generic_validate_add

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Date:	Fri, 27 Feb 2009 17:59:23 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	the arch/x86 maintainers <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Xen-devel <xen-devel@...ts.xensource.com>,
	Mark McLoughlin <markmc@...hat.com>
Subject: [PATCH] xen mtrr: Use generic_validate_add_page()

From: Mark McLoughlin <markmc@...hat.com>

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@...hat.com>
---
 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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