All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH] arm: map DTB as outer- rather than inner-shareable.
@ 2012-03-15 12:13 Ian Campbell
  2012-03-15 12:21 ` David Vrabel
  0 siblings, 1 reply; 3+ messages in thread
From: Ian Campbell @ 2012-03-15 12:13 UTC (permalink / raw)
  To: xen-devel; +Cc: david.vrabel, Ian Campbell

This is consistent with how we map Xen which is important if they happen to be
in the same 2MB super page (which they generally are)

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
 xen/arch/arm/head.S |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/xen/arch/arm/head.S b/xen/arch/arm/head.S
index 606ae66..4b05bcd 100644
--- a/xen/arch/arm/head.S
+++ b/xen/arch/arm/head.S
@@ -238,7 +238,7 @@ hyp:
 	mov   r3, #0x0
 	lsr   r2, r8, #21
 	lsl   r2, r2, #21            /* 2MB-aligned paddr of DTB */
-	orr   r2, r2, #0xf00
+	orr   r2, r2, #0xe00
 	orr   r2, r2, #0x07d         /* r2:r3 := 2MB RAM incl. DTB */
 	add   r4, r4, #8
 	strd  r2, r3, [r1, r4]       /* Map it in the early boot slot */
-- 
1.7.2.5

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] arm: map DTB as outer- rather than inner-shareable.
  2012-03-15 12:13 [PATCH] arm: map DTB as outer- rather than inner-shareable Ian Campbell
@ 2012-03-15 12:21 ` David Vrabel
  2012-03-15 15:22   ` Ian Campbell
  0 siblings, 1 reply; 3+ messages in thread
From: David Vrabel @ 2012-03-15 12:21 UTC (permalink / raw)
  To: Ian Campbell; +Cc: xen-devel@lists.xen.org

On 15/03/12 12:13, Ian Campbell wrote:
> This is consistent with how we map Xen which is important if they happen to be
> in the same 2MB super page (which they generally are)

Not sure why I made this different.

Acked-by: David Vrabel <david.vrabel@citrix.com>

> 
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
> ---
>  xen/arch/arm/head.S |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/xen/arch/arm/head.S b/xen/arch/arm/head.S
> index 606ae66..4b05bcd 100644
> --- a/xen/arch/arm/head.S
> +++ b/xen/arch/arm/head.S
> @@ -238,7 +238,7 @@ hyp:
>  	mov   r3, #0x0
>  	lsr   r2, r8, #21
>  	lsl   r2, r2, #21            /* 2MB-aligned paddr of DTB */
> -	orr   r2, r2, #0xf00
> +	orr   r2, r2, #0xe00
>  	orr   r2, r2, #0x07d         /* r2:r3 := 2MB RAM incl. DTB */
>  	add   r4, r4, #8
>  	strd  r2, r3, [r1, r4]       /* Map it in the early boot slot */

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] arm: map DTB as outer- rather than inner-shareable.
  2012-03-15 12:21 ` David Vrabel
@ 2012-03-15 15:22   ` Ian Campbell
  0 siblings, 0 replies; 3+ messages in thread
From: Ian Campbell @ 2012-03-15 15:22 UTC (permalink / raw)
  To: David Vrabel; +Cc: xen-devel@lists.xen.org

On Thu, 2012-03-15 at 12:21 +0000, David Vrabel wrote:
> On 15/03/12 12:13, Ian Campbell wrote:
> > This is consistent with how we map Xen which is important if they happen to be
> > in the same 2MB super page (which they generally are)
> 
> Not sure why I made this different.
> 
> Acked-by: David Vrabel <david.vrabel@citrix.com>

Thanks, committed.

> 
> > 
> > Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
> > ---
> >  xen/arch/arm/head.S |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> > 
> > diff --git a/xen/arch/arm/head.S b/xen/arch/arm/head.S
> > index 606ae66..4b05bcd 100644
> > --- a/xen/arch/arm/head.S
> > +++ b/xen/arch/arm/head.S
> > @@ -238,7 +238,7 @@ hyp:
> >  	mov   r3, #0x0
> >  	lsr   r2, r8, #21
> >  	lsl   r2, r2, #21            /* 2MB-aligned paddr of DTB */
> > -	orr   r2, r2, #0xf00
> > +	orr   r2, r2, #0xe00
> >  	orr   r2, r2, #0x07d         /* r2:r3 := 2MB RAM incl. DTB */
> >  	add   r4, r4, #8
> >  	strd  r2, r3, [r1, r4]       /* Map it in the early boot slot */
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2012-03-15 15:22 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-03-15 12:13 [PATCH] arm: map DTB as outer- rather than inner-shareable Ian Campbell
2012-03-15 12:21 ` David Vrabel
2012-03-15 15:22   ` Ian Campbell

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.