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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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