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Re: [Qemu-devel] [PATCH] target-i386: fix confusion in xcr0 bit position
From: |
Eduardo Habkost |
Subject: |
Re: [Qemu-devel] [PATCH] target-i386: fix confusion in xcr0 bit position vs. mask |
Date: |
Tue, 23 Feb 2016 15:50:26 -0300 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Feb 23, 2016 at 05:16:55AM -0500, Paolo Bonzini wrote:
>
>
> ----- Original Message -----
> > From: "Eduardo Habkost" <address@hidden>
> > To: "Richard Henderson" <address@hidden>
> > Cc: "Paolo Bonzini" <address@hidden>, address@hidden
> > Sent: Monday, February 22, 2016 10:56:03 PM
> > Subject: Re: [PATCH] target-i386: fix confusion in xcr0 bit position vs.
> > mask
> >
> > On Mon, Feb 22, 2016 at 11:14:44AM -0800, Richard Henderson wrote:
> > > On 02/22/2016 02:19 AM, Paolo Bonzini wrote:
> > > > The xsave and xrstor helpers are accessing the x86_ext_save_areas array
> > > > using a bit mask instead of a bit position. Provide two sets of
> > > > XSTATE_*
> > > > definitions and use XSTATE_*_BIT when a bit position is requested.
> > >
> > > Whoops. This patch is fine,
> > >
> > > Reviewed-by: Richard Henderson <address@hidden>
> > >
> > > Dosen't Eduardo have a pending patch set to make xsave use a struct? That
> > > would fix this as well, by not requiring fpu_helper.c to use the
> > > x86_ext_save_areas array at all...
> >
> > That's true, but the bug fix have priority, so I will queue it
> > first.
>
> Actually, I'm sending out a pull request today so I was thinking of
> including this.
No problem.
Acked-by: Eduardo Habkost <address@hidden>
--
Eduardo