lkml.org 
[lkml]   [2020]   [Feb]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 53/61] KVM: VMX: Directly use VMX capabilities helper to detect RDTSCP support
Date
Use cpu_has_vmx_rdtscp() directly when computing secondary exec controls
and drop the now defunct vmx_rdtscp_supported().

No functional change intended.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
arch/x86/kvm/vmx/vmx.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index c3577f11f538..98d54cfa0cbe 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -1651,11 +1651,6 @@ static void vmx_queue_exception(struct kvm_vcpu *vcpu)
vmx_clear_hlt(vcpu);
}

-static bool vmx_rdtscp_supported(void)
-{
- return cpu_has_vmx_rdtscp();
-}
-
/*
* Swap MSR entry in host/guest MSR entry array.
*/
@@ -4051,7 +4046,7 @@ static void vmx_compute_secondary_exec_control(struct vcpu_vmx *vmx)
}
}

- if (vmx_rdtscp_supported()) {
+ if (cpu_has_vmx_rdtscp()) {
bool rdtscp_enabled = guest_cpuid_has(vcpu, X86_FEATURE_RDTSCP);
if (!rdtscp_enabled)
exec_control &= ~SECONDARY_EXEC_RDTSCP;
--
2.24.1
\
 
 \ /
  Last update: 2020-02-01 19:54    [W:2.058 / U:0.856 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site