On Mon, Jun 08, 2015 at 10:14:49PM -0700, Vinson Lee wrote:
> On Tue, May 26, 2015 at 7:53 PM, Xiao Guangrong
> wrote:
> >
> >
> > On 05/26/2015 10:48 PM, Paolo Bonzini wrote:
> >>
> >>
> >>
> >> On 26/05/2015 16:45, Edward Cree wrote:
> >
> > This breaks older compilers that can't initial
On Wed, 10 Jun 2015 11:02:46 -0700 Davidlohr Bueso wrote:
> On Wed, 2015-05-27 at 10:53 +0800, Xiao Guangrong wrote:
> >
> > On 05/26/2015 10:48 PM, Paolo Bonzini wrote:
> > >
> > >
> > > On 26/05/2015 16:45, Edward Cree wrote:
> > This breaks older compilers that can't initialize anon stru
On Wed, 2015-05-27 at 10:53 +0800, Xiao Guangrong wrote:
>
> On 05/26/2015 10:48 PM, Paolo Bonzini wrote:
> >
> >
> > On 26/05/2015 16:45, Edward Cree wrote:
> This breaks older compilers that can't initialize anon structures.
>
> How old ? Even gcc 3.1 says you can use unnamed stru
On Tue, May 26, 2015 at 7:53 PM, Xiao Guangrong
wrote:
>
>
> On 05/26/2015 10:48 PM, Paolo Bonzini wrote:
>>
>>
>>
>> On 26/05/2015 16:45, Edward Cree wrote:
>
> This breaks older compilers that can't initialize anon structures.
>
> How old ? Even gcc 3.1 says you can use unnamed s
On 05/26/2015 10:48 PM, Paolo Bonzini wrote:
On 26/05/2015 16:45, Edward Cree wrote:
This breaks older compilers that can't initialize anon structures.
How old ? Even gcc 3.1 says you can use unnamed struct/union fields and
3.2 is the minimum version required to compile the kernel as mentio
On 26/05/2015 16:45, Edward Cree wrote:
>>> This breaks older compilers that can't initialize anon structures.
>> >
>> > How old ? Even gcc 3.1 says you can use unnamed struct/union fields and
>> > 3.2 is the minimum version required to compile the kernel as mentioned
>> > in the README.
>> >
>>
>> This breaks older compilers that can't initialize anon structures.
>
> How old ? Even gcc 3.1 says you can use unnamed struct/union fields and
> 3.2 is the minimum version required to compile the kernel as mentioned
> in the README.
>
> We could simply just name the structure, but I doubt this
On 05/22/2015 07:54 PM, Bandan Das wrote:
Boris Ostrovsky writes:
On 05/11/2015 10:55 AM, Xiao Guangrong wrote:
KVM may turn a user page to a kernel page when kernel writes a readonly
user page if CR0.WP = 1. This shadow page entry will be reused after
SMAP is enabled so that kernel is allowe
Boris Ostrovsky writes:
> On 05/11/2015 10:55 AM, Xiao Guangrong wrote:
>> KVM may turn a user page to a kernel page when kernel writes a readonly
>> user page if CR0.WP = 1. This shadow page entry will be reused after
>> SMAP is enabled so that kernel is allowed to access this user page
>>
>> Fi
On 05/11/2015 10:55 AM, Xiao Guangrong wrote:
KVM may turn a user page to a kernel page when kernel writes a readonly
user page if CR0.WP = 1. This shadow page entry will be reused after
SMAP is enabled so that kernel is allowed to access this user page
Fix it by setting SMAP && !CR0.WP into sha
KVM may turn a user page to a kernel page when kernel writes a readonly
user page if CR0.WP = 1. This shadow page entry will be reused after
SMAP is enabled so that kernel is allowed to access this user page
Fix it by setting SMAP && !CR0.WP into shadow page's role and reset mmu
once CR4.SMAP is u
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