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[PATCH v3 04/19] i386: invert hyperv_spinlock_attempts setting logic wit
From: |
Vitaly Kuznetsov |
Subject: |
[PATCH v3 04/19] i386: invert hyperv_spinlock_attempts setting logic with hv_passthrough |
Date: |
Thu, 7 Jan 2021 16:06:25 +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 07a3729b0dee..e50b9cac2494 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -1258,11 +1258,7 @@ 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 v3 00/19] i386: KVM: expand Hyper-V features early and provide simple 'hv-default=on' option, Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 01/19] linux-headers: update against 5.11-rc2, Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 02/19] i386: introduce kvm_hv_evmcs_available(), Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 04/19] i386: invert hyperv_spinlock_attempts setting logic with hv_passthrough,
Vitaly Kuznetsov <=
- [PATCH v3 03/19] i386: keep hyperv_vendor string up-to-date, Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 05/19] i386: always fill Hyper-V CPUID feature leaves from X86CPU data, Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 06/19] i386: stop using env->features[] for filling Hyper-V CPUIDs, Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 07/19] i386: introduce hyperv_feature_supported(), Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 08/19] i386: introduce hv_cpuid_get_host(), Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 09/19] i386: drop FEAT_HYPERV feature leaves, Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 10/19] i386: introduce hv_cpuid_cache, Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 11/19] i386: split hyperv_handle_properties() into hyperv_expand_features()/hyperv_fill_cpuids(), Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 12/19] i386: move eVMCS enablement to hyperv_init_vcpu(), Vitaly Kuznetsov, 2021/01/07
- [PATCH v3 13/19] i386: switch hyperv_expand_features() to using error_setg(), Vitaly Kuznetsov, 2021/01/07