* [PATCH] xen: arm32: Use system wide TLB flushes, not just inner-shareable
@ 2013-02-08 15:40 Ian Campbell
2013-02-08 15:43 ` Tim Deegan
0 siblings, 1 reply; 3+ messages in thread
From: Ian Campbell @ 2013-02-08 15:40 UTC (permalink / raw)
To: xen-devel; +Cc: Tim Deegan, Ian Campbell, Stefano Stabellini
We currently setup page table walks etc as outer-shareable. Given we don't
really make the distinction between inner- and outer-shareable yet err on
theside of safety.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
Cc: Tim Deegan <tim@xen.org>
---
xen/include/asm-arm/flushtlb.h | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/xen/include/asm-arm/flushtlb.h b/xen/include/asm-arm/flushtlb.h
index 210abfa..5067e5d 100644
--- a/xen/include/asm-arm/flushtlb.h
+++ b/xen/include/asm-arm/flushtlb.h
@@ -19,7 +19,7 @@ static inline void flush_tlb_local(void)
{
dsb();
- WRITE_CP32((uint32_t) 0, TLBIALLIS);
+ WRITE_CP32((uint32_t) 0, TLBIALL);
dsb();
isb();
@@ -30,7 +30,7 @@ static inline void flush_tlb_all_local(void)
{
dsb();
- WRITE_CP32((uint32_t) 0, TLBIALLNSNHIS);
+ WRITE_CP32((uint32_t) 0, TLBIALLNSNH);
dsb();
isb();
--
1.7.9.1
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] xen: arm32: Use system wide TLB flushes, not just inner-shareable
2013-02-08 15:40 [PATCH] xen: arm32: Use system wide TLB flushes, not just inner-shareable Ian Campbell
@ 2013-02-08 15:43 ` Tim Deegan
2013-02-15 13:37 ` Ian Campbell
0 siblings, 1 reply; 3+ messages in thread
From: Tim Deegan @ 2013-02-08 15:43 UTC (permalink / raw)
To: Ian Campbell; +Cc: Stefano Stabellini, xen-devel
At 15:40 +0000 on 08 Feb (1360338056), Ian Campbell wrote:
> We currently setup page table walks etc as outer-shareable. Given we don't
> really make the distinction between inner- and outer-shareable yet err on
> theside of safety.
>
> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Tim Deegan <tim@xen.org>
> Cc: Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
> Cc: Tim Deegan <tim@xen.org>
> ---
> xen/include/asm-arm/flushtlb.h | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/xen/include/asm-arm/flushtlb.h b/xen/include/asm-arm/flushtlb.h
> index 210abfa..5067e5d 100644
> --- a/xen/include/asm-arm/flushtlb.h
> +++ b/xen/include/asm-arm/flushtlb.h
> @@ -19,7 +19,7 @@ static inline void flush_tlb_local(void)
> {
> dsb();
>
> - WRITE_CP32((uint32_t) 0, TLBIALLIS);
> + WRITE_CP32((uint32_t) 0, TLBIALL);
>
> dsb();
> isb();
> @@ -30,7 +30,7 @@ static inline void flush_tlb_all_local(void)
> {
> dsb();
>
> - WRITE_CP32((uint32_t) 0, TLBIALLNSNHIS);
> + WRITE_CP32((uint32_t) 0, TLBIALLNSNH);
>
> dsb();
> isb();
> --
> 1.7.9.1
>
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] xen: arm32: Use system wide TLB flushes, not just inner-shareable
2013-02-08 15:43 ` Tim Deegan
@ 2013-02-15 13:37 ` Ian Campbell
0 siblings, 0 replies; 3+ messages in thread
From: Ian Campbell @ 2013-02-15 13:37 UTC (permalink / raw)
To: Tim Deegan; +Cc: Stefano Stabellini, xen-devel@lists.xen.org
On Fri, 2013-02-08 at 15:43 +0000, Tim Deegan wrote:
> At 15:40 +0000 on 08 Feb (1360338056), Ian Campbell wrote:
> > We currently setup page table walks etc as outer-shareable. Given we don't
> > really make the distinction between inner- and outer-shareable yet err on
> > theside of safety.
> >
> > Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
>
> Acked-by: Tim Deegan <tim@xen.org>
Applied, thanks.
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2013-02-15 13:37 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-02-08 15:40 [PATCH] xen: arm32: Use system wide TLB flushes, not just inner-shareable Ian Campbell
2013-02-08 15:43 ` Tim Deegan
2013-02-15 13:37 ` Ian Campbell
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).