Messages in this thread Patch in this message | | | From | Avi Kivity <> | Subject | [PATCH 11/15] KVM: Add a special exit reason when exiting due to an interrupt | Date | Sun, 11 Mar 2007 15:53:23 +0200 |
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This is redundant, as we also return -EINTR from the ioctl, but it allows us to examine the exit_reason field on resume without seeing old data.
Signed-off-by: Avi Kivity <avi@qumranet.com> --- drivers/kvm/svm.c | 2 ++ drivers/kvm/vmx.c | 2 ++ include/linux/kvm.h | 3 ++- 3 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index b09928f..0311665 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -1619,12 +1619,14 @@ again: if (signal_pending(current)) { ++kvm_stat.signal_exits; post_kvm_run_save(vcpu, kvm_run); + kvm_run->exit_reason = KVM_EXIT_INTR; return -EINTR; } if (dm_request_for_irq_injection(vcpu, kvm_run)) { ++kvm_stat.request_irq_exits; post_kvm_run_save(vcpu, kvm_run); + kvm_run->exit_reason = KVM_EXIT_INTR; return -EINTR; } kvm_resched(vcpu); diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index ba7a98b..0d1c8cf 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -1936,12 +1936,14 @@ again: if (signal_pending(current)) { ++kvm_stat.signal_exits; post_kvm_run_save(vcpu, kvm_run); + kvm_run->exit_reason = KVM_EXIT_INTR; return -EINTR; } if (dm_request_for_irq_injection(vcpu, kvm_run)) { ++kvm_stat.request_irq_exits; post_kvm_run_save(vcpu, kvm_run); + kvm_run->exit_reason = KVM_EXIT_INTR; return -EINTR; } diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 57f47ef..b3af92e 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -11,7 +11,7 @@ #include <asm/types.h> #include <linux/ioctl.h> -#define KVM_API_VERSION 8 +#define KVM_API_VERSION 9 /* * Architectural interrupt line count, and the size of the bitmap needed @@ -45,6 +45,7 @@ enum kvm_exit_reason { KVM_EXIT_IRQ_WINDOW_OPEN = 7, KVM_EXIT_SHUTDOWN = 8, KVM_EXIT_FAIL_ENTRY = 9, + KVM_EXIT_INTR = 10, }; /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */ -- 1.5.0.2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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