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[PATCH v4 02/21] i386: invert hyperv_spinlock_attempts setting logic wit
From: |
Vitaly Kuznetsov |
Subject: |
[PATCH v4 02/21] i386: invert hyperv_spinlock_attempts setting logic with hv_passthrough |
Date: |
Wed, 10 Feb 2021 17:40:14 +0100 |
There is no need to have this special case: like all other Hyper-V
enlightenments we can just use kernel's supplied value in hv_passthrough
mode.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
---
target/i386/kvm/kvm.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 6ae4be44aa6f..211efbd13b49 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -1254,11 +1254,7 @@ static int hyperv_handle_properties(CPUState *cs,
c = cpuid_find_entry(cpuid, HV_CPUID_ENLIGHTMENT_INFO, 0);
if (c) {
env->features[FEAT_HV_RECOMM_EAX] = c->eax;
-
- /* hv-spinlocks may have been overriden */
- if (cpu->hyperv_spinlock_attempts != HYPERV_SPINLOCK_NEVER_NOTIFY)
{
- c->ebx = cpu->hyperv_spinlock_attempts;
- }
+ cpu->hyperv_spinlock_attempts = c->ebx;
}
c = cpuid_find_entry(cpuid, HV_CPUID_NESTED_FEATURES, 0);
if (c) {
--
2.29.2
- [PATCH v4 00/19] i386: KVM: expand Hyper-V features early and provide simple 'hv-default=on' option, Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 02/21] i386: invert hyperv_spinlock_attempts setting logic with hv_passthrough,
Vitaly Kuznetsov <=
- [PATCH v4 03/21] i386: always fill Hyper-V CPUID feature leaves from X86CPU data, Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 01/21] i386: keep hyperv_vendor string up-to-date, Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 07/21] i386: drop FEAT_HYPERV feature leaves, Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 04/21] i386: stop using env->features[] for filling Hyper-V CPUIDs, Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 08/21] i386: introduce hv_cpuid_cache, Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 09/21] i386: split hyperv_handle_properties() into hyperv_expand_features()/hyperv_fill_cpuids(), Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 05/21] i386: introduce hyperv_feature_supported(), Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 06/21] i386: introduce hv_cpuid_get_host(), Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 11/21] i386: switch hyperv_expand_features() to using error_setg(), Vitaly Kuznetsov, 2021/02/10
- [PATCH v4 12/21] i386: adjust the expected KVM_GET_SUPPORTED_HV_CPUID array size, Vitaly Kuznetsov, 2021/02/10