Re: [Xen-devel] [PATCH 4/5] xen/arm64: Add skeleton to harden the branch predictor aliasing attacks

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi Stefano,

On 17/01/18 18:26, Stefano Stabellini wrote:
> On Tue, 16 Jan 2018, Julien Grall wrote:
> > diff --git a/xen/include/asm-arm/cpuerrata.h b/xen/include/asm-arm/cpuerrata.h
> > index 7de68361ff..23ebf367ea 100644
> > --- a/xen/include/asm-arm/cpuerrata.h
> > +++ b/xen/include/asm-arm/cpuerrata.h
> > @@ -1,6 +1,7 @@
> >   #ifndef __ARM_CPUERRATA_H__
> >   #define __ARM_CPUERRATA_H__
> >   
> > +#include <xen/percpu.h>
> This doesn't seem to be necessary?
You are right. My original plan was based on Linux which use per-cpu 
variable. But I scratched that as it was possible to simplify the code.
I will send a patch to remove it.

Cheers,

--
Julien Grall

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel