KVM: nVMX: Advertise PAUSE and WBINVD exiting support

PATCH Applied Jan Kiszka 2 participants 2 messages Feb 23, 2013 – Feb 27, 2013

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Jan Kiszka

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2013-02-23 21:34 UTC #0 lore raw

PATCH 1/1 KVM: nVMX: Advertise PAUSE and WBINVD exiting support

From: Jan Kiszka <[email protected]>

These exits have no preconditions, and we already process the corresponding reasons in nested_vmx_exit_handled correctly.

Signed-off-by Jan Kiszka <[email protected]>

---
 arch/x86/kvm/vmx.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

arch/x86/kvm/vmx.c +3 -1

index 7bd9f88..26d47e9 100644
@@ -2080,6 +2080,7 @@ static __init void nested_vmx_setup_ctls_msrs(void)
 		CPU_BASED_MOV_DR_EXITING | CPU_BASED_UNCOND_IO_EXITING |
 		CPU_BASED_USE_IO_BITMAPS | CPU_BASED_MONITOR_EXITING |
 		CPU_BASED_RDPMC_EXITING | CPU_BASED_RDTSC_EXITING |
+		CPU_BASED_PAUSE_EXITING |
 		CPU_BASED_ACTIVATE_SECONDARY_CONTROLS;
 	/*
 	 * We can allow some features even when not supported by the

@@ -2094,7 +2095,8 @@ static __init void nested_vmx_setup_ctls_msrs(void)
 		nested_vmx_secondary_ctls_low, nested_vmx_secondary_ctls_high);
 	nested_vmx_secondary_ctls_low = 0;
 	nested_vmx_secondary_ctls_high &=
-		SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES;
+		SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
+		SECONDARY_EXEC_WBINVD_EXITING;
 }
 
 static inline bool vmx_control_verify(u32 control, u32 low, u32 high)

Signature · 1 line

1.7.3.4

Gleb Natapov

Applied

2013-02-27 13:34 UTC #1 lore raw

Quoted 6 lines · Jan Kiszka

From: Jan Kiszka <[email protected]>
These exits have no preconditions, and we already process the corresponding reasons in nested_vmx_exit_handled correctly.
Signed-off-by Jan Kiszka <[email protected]>

Applied, thanks.

Quoted 28 lines

---
 arch/x86/kvm/vmx.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

arch/x86/kvm/vmx.c +3 -1

index 7bd9f88..26d47e9 100644
@@ -2080,6 +2080,7 @@ static __init void nested_vmx_setup_ctls_msrs(void)
 		CPU_BASED_MOV_DR_EXITING | CPU_BASED_UNCOND_IO_EXITING |
 		CPU_BASED_USE_IO_BITMAPS | CPU_BASED_MONITOR_EXITING |
 		CPU_BASED_RDPMC_EXITING | CPU_BASED_RDTSC_EXITING |
+		CPU_BASED_PAUSE_EXITING |
 		CPU_BASED_ACTIVATE_SECONDARY_CONTROLS;
 	/*
 	 * We can allow some features even when not supported by the

@@ -2094,7 +2095,8 @@ static __init void nested_vmx_setup_ctls_msrs(void)
 		nested_vmx_secondary_ctls_low, nested_vmx_secondary_ctls_high);
 	nested_vmx_secondary_ctls_low = 0;
 	nested_vmx_secondary_ctls_high &=
-		SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES;
+		SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |
+		SECONDARY_EXEC_WBINVD_EXITING;
 }
 
 static inline bool vmx_control_verify(u32 control, u32 low, u32 high)

Signature · 1 line

1.7.3.4

--
Gleb.