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Subject[PATCH 12/43] KVM: x86: paravirt skip pit-through-ioapic boot check
Date
From: Marcelo Tosatti <mtosatti@redhat.com>

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>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/kernel/kvm.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 33019dd..057173d 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

@@ -230,6 +231,9 @@ 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)
--
1.6.0.6


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