target/i386: fix feature dependency for WAITPKG

[PATCH] target/i386: fix feature dependency for WAITPKG

Paolo Bonzini posted 1 patch 6 months, 2 weeks ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20240509153950.143766-1-pbonzini@redhat.com

Maintainers: Paolo Bonzini <pbonzini@redhat.com>

target/i386/cpu.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

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[PATCH] target/i386: fix feature dependency for WAITPKG

Posted by Paolo Bonzini 6 months, 2 weeks ago

The VMX feature bit depends on general availability of WAITPKG,
not the other way round.

Fixes: 33cc88261c3 ("target/i386: add support for VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE", 2023-08-28)
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/cpu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 1058b6803fd..f2ea6899e39 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1551,8 +1551,8 @@ static FeatureDep feature_dependencies[] = {
         .to = { FEAT_SVM,                   ~0ull },
     },
     {
-        .from = { FEAT_VMX_SECONDARY_CTLS,  VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE },
-        .to = { FEAT_7_0_ECX,               CPUID_7_0_ECX_WAITPKG },
+        .from = { FEAT_7_0_ECX,             CPUID_7_0_ECX_WAITPKG },
+        .to = { FEAT_VMX_SECONDARY_CTLS,    VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE },
     },
 };
 
-- 
2.45.0

Re: [PATCH] target/i386: fix feature dependency for WAITPKG

Posted by Zhao Liu 6 months, 2 weeks ago

On Thu, May 09, 2024 at 05:39:50PM +0200, Paolo Bonzini wrote:
> Date: Thu,  9 May 2024 17:39:50 +0200
> From: Paolo Bonzini <pbonzini@redhat.com>
> Subject: [PATCH] target/i386: fix feature dependency for WAITPKG
> X-Mailer: git-send-email 2.45.0
> 
> The VMX feature bit depends on general availability of WAITPKG,
> not the other way round.
> 
> Fixes: 33cc88261c3 ("target/i386: add support for VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE", 2023-08-28)
> Cc: qemu-stable@nongnu.org
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  target/i386/cpu.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>