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From: Marcelo Tosatti <mtosatti@redhat.com>
To: kvm-devel <kvm@vger.kernel.org>
Cc: Glauber de Oliveira Costa <gcosta@redhat.com>
Subject: KVM: x86: paravirt skip pit-through-ioapic boot check
Date: Wed, 11 Feb 2009 22:45:42 -0200	[thread overview]
Message-ID: <20090212004542.GB15960@amt.cnet> (raw)


Skip the test which checks if the PIT is properly routed when
using the IOAPIC, aimed at buggy hardware.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 478bca9..eecfc92 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -27,6 +27,7 @@
 #include <linux/mm.h>
 #include <linux/highmem.h>
 #include <linux/hardirq.h>
+#include <asm/timer.h>
 
 #define MMU_QUEUE_SIZE 1024
 
@@ -237,6 +238,9 @@ static void paravirt_ops_setup(void)
 		pv_mmu_ops.lazy_mode.enter = kvm_enter_lazy_mmu;
 		pv_mmu_ops.lazy_mode.leave = kvm_leave_lazy_mmu;
 	}
+#ifdef CONFIG_X86_IO_APIC
+	no_timer_check = 1;
+#endif
 }
 
 void __init kvm_guest_init(void)

             reply	other threads:[~2009-02-12  0:46 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-12  0:45 Marcelo Tosatti [this message]
2009-02-26  9:58 ` KVM: x86: paravirt skip pit-through-ioapic boot check Avi Kivity

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