From: Avi Kivity <avi@qumranet.com>
To: kvm-devel@lists.sourceforge.net
Cc: linux-kernel@vger.kernel.org, akpm@osdl.org, mingo@elte.hu
Subject: [PATCH] KVM: Re-fix vmx hardware_enable() on macbooks
Date: Tue, 12 Dec 2006 14:52:48 -0000 [thread overview]
Message-ID: <20061212145248.332AE2500B4@il.qumranet.com> (raw)
This incremental patch fixes the macbook issue for real.
Signed-off-by: Avi Kivity <avi@qumranet.com>
Tested-by: Alex Larsson (sometimes testing helps)
------------------------------------------------------------------------
Index: linux-2.6/drivers/kvm/vmx.c
===================================================================
--- linux-2.6.orig/drivers/kvm/vmx.c
+++ linux-2.6/drivers/kvm/vmx.c
@@ -534,7 +534,7 @@ static __init void hardware_enable(void
u64 old;
rdmsrl(MSR_IA32_FEATURE_CONTROL, old);
- if ((old & 4) == 0)
+ if ((old & 5) != 5)
/* enable and lock */
wrmsrl(MSR_IA32_FEATURE_CONTROL, old | 5);
write_cr4(read_cr4() | CR4_VMXE); /* FIXME: not cpu hotplug safe */
reply other threads:[~2006-12-12 14:53 UTC|newest]
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