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[1/2] KVM: VMX: Introduce exit reason for receiving INIT signal on guest-mode

Message ID 20190826102449.142687-2-liran.alon@oracle.com (mailing list archive)
State New, archived
Headers show
Series [1/2] KVM: VMX: Introduce exit reason for receiving INIT signal on guest-mode | expand

Commit Message

Liran Alon Aug. 26, 2019, 10:24 a.m. UTC 
According to Intel SDM section 25.2 "Other Causes of VM Exits",
When INIT signal is received on a CPU that is running in VMX
non-root mode it should cause an exit with exit-reason of 3.
(See Intel SDM Appendix C "VMX BASIC EXIT REASONS")

This patch introduce the exit-reason definition.

Reviewed-by: Bhavesh Davda <bhavesh.davda@oracle.com>
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
Co-developed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
---
 arch/x86/include/uapi/asm/vmx.h | 2 ++
 1 file changed, 2 insertions(+)

Comments

Jim Mattson Aug. 26, 2019, 4:37 p.m. UTC | #1 
On Mon, Aug 26, 2019 at 3:25 AM Liran Alon <liran.alon@oracle.com> wrote:
>
> According to Intel SDM section 25.2 "Other Causes of VM Exits",
> When INIT signal is received on a CPU that is running in VMX
> non-root mode it should cause an exit with exit-reason of 3.
> (See Intel SDM Appendix C "VMX BASIC EXIT REASONS")
>
> This patch introduce the exit-reason definition.
>
> Reviewed-by: Bhavesh Davda <bhavesh.davda@oracle.com>
> Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
> Co-developed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
> Signed-off-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
> Signed-off-by: Liran Alon <liran.alon@oracle.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
diff mbox series

Patch

diff --git a/arch/x86/include/uapi/asm/vmx.h b/arch/x86/include/uapi/asm/vmx.h
index f0b0c90dd398..f01950aa7fae 100644
--- a/arch/x86/include/uapi/asm/vmx.h
+++ b/arch/x86/include/uapi/asm/vmx.h
@@ -31,6 +31,7 @@ 
 #define EXIT_REASON_EXCEPTION_NMI       0
 #define EXIT_REASON_EXTERNAL_INTERRUPT  1
 #define EXIT_REASON_TRIPLE_FAULT        2
+#define EXIT_REASON_INIT_SIGNAL			3
 
 #define EXIT_REASON_PENDING_INTERRUPT   7
 #define EXIT_REASON_NMI_WINDOW          8
@@ -90,6 +91,7 @@ 
 	{ EXIT_REASON_EXCEPTION_NMI,         "EXCEPTION_NMI" }, \
 	{ EXIT_REASON_EXTERNAL_INTERRUPT,    "EXTERNAL_INTERRUPT" }, \
 	{ EXIT_REASON_TRIPLE_FAULT,          "TRIPLE_FAULT" }, \
+	{ EXIT_REASON_INIT_SIGNAL,           "INIT_SIGNAL" }, \
 	{ EXIT_REASON_PENDING_INTERRUPT,     "PENDING_INTERRUPT" }, \
 	{ EXIT_REASON_NMI_WINDOW,            "NMI_WINDOW" }, \
 	{ EXIT_REASON_TASK_SWITCH,           "TASK_SWITCH" }, \