diff mbox series

[v2,2/7] x86/hyper-v: Drop HV_X64_CONFIGURE_PROFILER definition

Message ID 20181210172159.410-3-vkuznets@redhat.com (mailing list archive)
State New, archived
Headers show
Series x86/kvm/hyper-v: Implement KVM_GET_SUPPORTED_HV_CPUID | expand

Commit Message

Vitaly Kuznetsov Dec. 10, 2018, 5:21 p.m. UTC 
BIT(13) in HYPERV_CPUID_FEATURES.EBX is described as "ConfigureProfiler" in
TLFS v4.0 but starting 5.0 it is replaced with 'Reserved'. As we don't
currently us it in kernel it can just be dropped.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
---
 arch/x86/include/asm/hyperv-tlfs.h | 1 -
 1 file changed, 1 deletion(-)

Comments

Thomas Gleixner Dec. 10, 2018, 9:24 p.m. UTC | #1 
On Mon, 10 Dec 2018, Vitaly Kuznetsov wrote:

> BIT(13) in HYPERV_CPUID_FEATURES.EBX is described as "ConfigureProfiler" in
> TLFS v4.0 but starting 5.0 it is replaced with 'Reserved'. As we don't
> currently us it in kernel it can just be dropped.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
> Reviewed-by: Michael Kelley <mikelley@microsoft.com>

Acked-by: Thomas Gleixner <tglx@linutronix.de>
diff mbox series

Patch

diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h
index 9e6f70e989c2..11546619a65c 100644
--- a/arch/x86/include/asm/hyperv-tlfs.h
+++ b/arch/x86/include/asm/hyperv-tlfs.h
@@ -93,7 +93,6 @@ 
 #define HV_X64_ACCESS_STATS			BIT(8)
 #define HV_X64_DEBUGGING			BIT(11)
 #define HV_X64_CPU_POWER_MANAGEMENT		BIT(12)
-#define HV_X64_CONFIGURE_PROFILER		BIT(13)
 
 /*
  * Feature identification. EDX indicates which miscellaneous features