negative
> impact.
> At the same time, it increases the compatibility of qemu to kernel and
> improves the robustness of qemu.
>
> > -邮件原件-
> > 发件人: Paolo Bonzini
> > 发送时间: 2023年5月20日 1:37
> > 收件人: yuchen (Cloud)
> > 主题: Re: 回复: [PATCH] target/i
to kernel and improves
the robustness of qemu.
> -邮件原件-
> 发件人: Paolo Bonzini
> 发送时间: 2023年5月20日 1:37
> 收件人: yuchen (Cloud)
> 主题: Re: 回复: [PATCH] target/i386: Clear xsave pkru bit when KVM
> XCR0 not support
>
> On 5/18/23 14:37, Yuchen wrote:
> > Yes, b
Hi Yuchen,
On 5/17/23 03:55, Yuchen wrote:
> Migrating guest from Intel new CPU (as Gold 6230) to old CPU (as
> E5-2650 v4) will pause on the destination host. Because old CPU
> not support xsave pkru feature, and KVM KVM_SET_XSAVE ioctl
> return EINVAL.
>
> This kernel commit introduces the
On 5/17/23 12:55, Yuchen wrote:
Migrating guest from Intel new CPU (as Gold 6230) to old CPU (as
E5-2650 v4) will pause on the destination host. Because old CPU
not support xsave pkru feature, and KVM KVM_SET_XSAVE ioctl
return EINVAL.
This kernel commit introduces the problem:
ea4d6938d4c0
Migrating guest from Intel new CPU (as Gold 6230) to old CPU (as
E5-2650 v4) will pause on the destination host. Because old CPU
not support xsave pkru feature, and KVM KVM_SET_XSAVE ioctl
return EINVAL.
This kernel commit introduces the problem:
ea4d6938d4c0 x86/fpu: Replace KVMs home brewed FPU
