Re: [PATCH v9] xen/grant-table: Avoid m2p_override during mapping

2014-02-20 Thread David Vrabel
On 20/02/14 18:26, Stefano Stabellini wrote: > On Thu, 20 Feb 2014, David Vrabel wrote: >> On 20/02/14 18:17, Stefano Stabellini wrote: >>> On Thu, 20 Feb 2014, Zoltan Kiss wrote: On 20/02/14 17:26, Stefano Stabellini wrote: > On Mon, 17 Feb 2014, Zoltan Kiss wrote: >> On 16/02/14 18:3

Re: [PATCH v9] xen/grant-table: Avoid m2p_override during mapping

2014-02-20 Thread Stefano Stabellini
On Thu, 20 Feb 2014, David Vrabel wrote: > On 20/02/14 18:17, Stefano Stabellini wrote: > > On Thu, 20 Feb 2014, Zoltan Kiss wrote: > >> On 20/02/14 17:26, Stefano Stabellini wrote: > >>> On Mon, 17 Feb 2014, Zoltan Kiss wrote: > On 16/02/14 18:36, Stefano Stabellini wrote: > > On Wed, 12

Re: [PATCH v9] xen/grant-table: Avoid m2p_override during mapping

2014-02-20 Thread David Vrabel
On 20/02/14 18:17, Stefano Stabellini wrote: > On Thu, 20 Feb 2014, Zoltan Kiss wrote: >> On 20/02/14 17:26, Stefano Stabellini wrote: >>> On Mon, 17 Feb 2014, Zoltan Kiss wrote: On 16/02/14 18:36, Stefano Stabellini wrote: > On Wed, 12 Feb 2014, Zoltan Kiss wrote: >> diff --git a/arch

Re: [PATCH v9] xen/grant-table: Avoid m2p_override during mapping

2014-02-20 Thread Stefano Stabellini
On Thu, 20 Feb 2014, Zoltan Kiss wrote: > On 20/02/14 17:26, Stefano Stabellini wrote: > > On Mon, 17 Feb 2014, Zoltan Kiss wrote: > > > On 16/02/14 18:36, Stefano Stabellini wrote: > > > > On Wed, 12 Feb 2014, Zoltan Kiss wrote: > > > > > diff --git a/arch/arm/include/asm/xen/page.h > > > > > b/ar

Re: [PATCH v9] xen/grant-table: Avoid m2p_override during mapping

2014-02-20 Thread Zoltan Kiss
On 20/02/14 17:26, Stefano Stabellini wrote: On Mon, 17 Feb 2014, Zoltan Kiss wrote: On 16/02/14 18:36, Stefano Stabellini wrote: On Wed, 12 Feb 2014, Zoltan Kiss wrote: diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h index e0965ab..4eaeb3f 100644 --- a/arch/arm/

Re: [PATCH v9] xen/grant-table: Avoid m2p_override during mapping

2014-02-20 Thread Stefano Stabellini
On Mon, 17 Feb 2014, Zoltan Kiss wrote: > On 16/02/14 18:36, Stefano Stabellini wrote: > > On Wed, 12 Feb 2014, Zoltan Kiss wrote: > > > diff --git a/arch/arm/include/asm/xen/page.h > > > b/arch/arm/include/asm/xen/page.h > > > index e0965ab..4eaeb3f 100644 > > > --- a/arch/arm/include/asm/xen/page

Re: [PATCH v9] xen/grant-table: Avoid m2p_override during mapping

2014-02-17 Thread Zoltan Kiss
On 16/02/14 18:36, Stefano Stabellini wrote: On Wed, 12 Feb 2014, Zoltan Kiss wrote: diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h index e0965ab..4eaeb3f 100644 --- a/arch/arm/include/asm/xen/page.h +++ b/arch/arm/include/asm/xen/page.h @@ -97,16 +97,15 @@ static

Re: [PATCH v9] xen/grant-table: Avoid m2p_override during mapping

2014-02-16 Thread Stefano Stabellini
On Wed, 12 Feb 2014, Zoltan Kiss wrote: > The grant mapping API does m2p_override unnecessarily: only gntdev needs it, > for blkback and future netback patches it just cause a lock contention, as > those pages never go to userspace. Therefore this series does the following: > - the original functio

[PATCH v9] xen/grant-table: Avoid m2p_override during mapping

2014-02-12 Thread Zoltan Kiss
The grant mapping API does m2p_override unnecessarily: only gntdev needs it, for blkback and future netback patches it just cause a lock contention, as those pages never go to userspace. Therefore this series does the following: - the original functions were renamed to __gnttab_[un]map_refs, with a