[v2] target-i386: adds PV_SCHED_YIELD CPUID feature bit

[Qemu-devel] [PATCH RESEND v2] target-i386: adds PV_SCHED_YIELD CPUID feature bit

Wanpeng Li posted 1 patch 4 years, 9 months ago

Diff against v1 v1
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git fetch https://github.com/patchew-project/qemu tags/patchew/1562745771-8414-1-git-send-email-wanpengli@tencent.com

target/i386/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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[Qemu-devel] [PATCH RESEND v2] target-i386: adds PV_SCHED_YIELD CPUID feature bit

Posted by Wanpeng Li 4 years, 9 months ago

From: Wanpeng Li <wanpengli@tencent.com>

Adds PV_SCHED_YIELD CPUID feature bit.

Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
---
Note: kvm part is merged
v1 -> v2:
 * use bit 13 instead of bit 12 since bit 12 has user now

 target/i386/cpu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 5f07d68..f4c4b6b 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -902,7 +902,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             "kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock",
             "kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt",
             NULL, "kvm-pv-tlb-flush", NULL, "kvm-pv-ipi",
-            NULL, NULL, NULL, NULL,
+            NULL, "kvm-pv-sched-yield", NULL, NULL,
             NULL, NULL, NULL, NULL,
             NULL, NULL, NULL, NULL,
             "kvmclock-stable-bit", NULL, NULL, NULL,
-- 
2.7.4

Re: [Qemu-devel] [PATCH RESEND v2] target-i386: adds PV_SCHED_YIELD CPUID feature bit

Posted by Paolo Bonzini 4 years, 9 months ago

On 10/07/19 10:02, Wanpeng Li wrote:
> From: Wanpeng Li <wanpengli@tencent.com>
> 
> Adds PV_SCHED_YIELD CPUID feature bit.
> 
> Cc: Eduardo Habkost <ehabkost@redhat.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Radim Krčmář <rkrcmar@redhat.com>
> Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
> ---
> Note: kvm part is merged
> v1 -> v2:
>  * use bit 13 instead of bit 12 since bit 12 has user now
> 
>  target/i386/cpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target/i386/cpu.c b/target/i386/cpu.c
> index 5f07d68..f4c4b6b 100644
> --- a/target/i386/cpu.c
> +++ b/target/i386/cpu.c
> @@ -902,7 +902,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
>              "kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock",
>              "kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt",
>              NULL, "kvm-pv-tlb-flush", NULL, "kvm-pv-ipi",
> -            NULL, NULL, NULL, NULL,
> +            NULL, "kvm-pv-sched-yield", NULL, NULL,
>              NULL, NULL, NULL, NULL,
>              NULL, NULL, NULL, NULL,
>              "kvmclock-stable-bit", NULL, NULL, NULL,
> 

Queued for 4.2, thanks.

Paolo