>
>
>
> owen...@ucloud.cn
>
> From: Eduardo Habkost
> Date: 2019-08-21 19:19
> To: owen...@ucloud.cn
> CC: qemu-devel
> Subject: Re: Re: [Qemu-devel] [PATCH] Revert "i386: correct
> cpu_x86_cpuid(0xd)"
> On Wed, Aug 21, 2019 at 11:04:46AM +0800, owen...
It is CentOS 6.3 with kernel version 2.6.32-279. Actually all CentOS 6 releases
have this issue.
owen...@ucloud.cn
From: Eduardo Habkost
Date: 2019-08-21 19:19
To: owen...@ucloud.cn
CC: qemu-devel
Subject: Re: Re: [Qemu-devel] [PATCH] Revert "i386: correct cpu_x86_cpuid(0xd)"
On W
lt and distributed by a third party?
>
>
>
> owen...@ucloud.cn
>
> From: Eduardo Habkost
> Date: 2019-08-21 05:23
> To: Bingsong Si
> CC: qemu-devel
> Subject: Re: [Qemu-devel] [PATCH] Revert "i386: correct cpu_x86_cpuid(0xd)"
> On Mon, Aug
: [Qemu-devel] [PATCH] Revert "i386: correct cpu_x86_cpuid(0xd)"
On Mon, Aug 19, 2019 at 06:09:24PM +0800, Bingsong Si wrote:
> This reverts commit de2e68c902f7b6e438b0fa3cfedd74a06a20704f.
>
> Initial value of env->xcr0 == 0, then CPUID(EAX=0xd,ECX=0).EBX == 0, after kvm
>
On Mon, Aug 19, 2019 at 06:09:24PM +0800, Bingsong Si wrote:
> This reverts commit de2e68c902f7b6e438b0fa3cfedd74a06a20704f.
>
> Initial value of env->xcr0 == 0, then CPUID(EAX=0xd,ECX=0).EBX == 0, after kvm
> upstream commit 412a3c41, It is ok.
> On host before commit 412a3c41, some legacy guest,
Copying in Eduardo.
* Bingsong Si (owen...@ucloud.cn) wrote:
> This reverts commit de2e68c902f7b6e438b0fa3cfedd74a06a20704f.
>
> Initial value of env->xcr0 == 0, then CPUID(EAX=0xd,ECX=0).EBX == 0, after kvm
> upstream commit 412a3c41, It is ok.
> On host before commit 412a3c41, some legacy guest
This reverts commit de2e68c902f7b6e438b0fa3cfedd74a06a20704f.
Initial value of env->xcr0 == 0, then CPUID(EAX=0xd,ECX=0).EBX == 0, after kvm
upstream commit 412a3c41, It is ok.
On host before commit 412a3c41, some legacy guest, i.e. CentOS 6, get
xstate_size == 0, will crash the guest.
Signed-off