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From: Chuck Ebbert <cebbert@redhat.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>, linux-kernel@vger.kernel.org
Subject: [patch] x86: Kill bogus MTRR warning when running under vmware
Date: Fri, 31 Oct 2008 17:03:55 -0400 [thread overview]
Message-ID: <20081031170355.5368be60@redhat.com> (raw)
x86: Kill bogus MTRR warning when running under vmware
The warning is suppressed when running under KVM, but VMware
guests also have empty MTRRs.
Fixes:
https://bugzilla.redhat.com/show_bug.cgi?id=468845
Signed-off-by: Chuck Ebbert <cebbert@redhat.com>
Index: linux-2.6.27.noarch/arch/x86/kernel/cpu/mtrr/main.c
===================================================================
--- linux-2.6.27.noarch.orig/arch/x86/kernel/cpu/mtrr/main.c
+++ linux-2.6.27.noarch/arch/x86/kernel/cpu/mtrr/main.c
@@ -1495,11 +1495,8 @@ int __init mtrr_trim_uncached_memory(uns
}
/* kvm/qemu doesn't have mtrr set right, don't trim them all */
- if (!highest_pfn) {
- WARN(!kvm_para_available(), KERN_WARNING
- "WARNING: strange, CPU MTRRs all blank?\n");
+ if (!highest_pfn)
return 0;
- }
/* check entries number */
memset(num, 0, sizeof(num));
next reply other threads:[~2008-10-31 21:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-31 21:03 Chuck Ebbert [this message]
2008-11-03 8:48 ` [patch] x86: Kill bogus MTRR warning when running under vmware Ingo Molnar
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