* [PATCH] powerpc: Use privileged SPR number for MMCR2
@ 2016-05-12 11:29 Thomas Huth
2016-05-13 3:36 ` Paul Mackerras
2016-05-31 10:17 ` Michael Ellerman
0 siblings, 2 replies; 3+ messages in thread
From: Thomas Huth @ 2016-05-12 11:29 UTC (permalink / raw)
To: Michael Ellerman, Paul Mackerras, linuxppc-dev
Cc: Benjamin Herrenschmidt, kvm-ppc, Alexander Graf,
Madhavan Srinivasan
We are already using the privileged versions of MMCR0, MMCR1
and MMCRA in the kernel, so for MMCR2, we should better use
the privileged versions, too, to be consistent.
Suggested-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
arch/powerpc/include/asm/reg.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index ce3e1b7..166d863 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -715,7 +715,7 @@
#define MMCR0_FCWAIT 0x00000002UL /* freeze counter in WAIT state */
#define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
#define SPRN_MMCR1 798
-#define SPRN_MMCR2 769
+#define SPRN_MMCR2 785
#define SPRN_MMCRA 0x312
#define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */
#define MMCRA_SDAR_DCACHE_MISS 0x40000000UL
--
1.8.3.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] powerpc: Use privileged SPR number for MMCR2
2016-05-12 11:29 [PATCH] powerpc: Use privileged SPR number for MMCR2 Thomas Huth
@ 2016-05-13 3:36 ` Paul Mackerras
2016-05-31 10:17 ` Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Paul Mackerras @ 2016-05-13 3:36 UTC (permalink / raw)
To: Thomas Huth
Cc: Michael Ellerman, linuxppc-dev, Benjamin Herrenschmidt, kvm-ppc,
Alexander Graf, Madhavan Srinivasan
On Thu, May 12, 2016 at 01:29:11PM +0200, Thomas Huth wrote:
> We are already using the privileged versions of MMCR0, MMCR1
> and MMCRA in the kernel, so for MMCR2, we should better use
> the privileged versions, too, to be consistent.
>
> Suggested-by: Paul Mackerras <paulus@ozlabs.org>
> Signed-off-by: Thomas Huth <thuth@redhat.com>
Acked-by: Paul Mackerras <paulus@ozlabs.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: powerpc: Use privileged SPR number for MMCR2
2016-05-12 11:29 [PATCH] powerpc: Use privileged SPR number for MMCR2 Thomas Huth
2016-05-13 3:36 ` Paul Mackerras
@ 2016-05-31 10:17 ` Michael Ellerman
1 sibling, 0 replies; 3+ messages in thread
From: Michael Ellerman @ 2016-05-31 10:17 UTC (permalink / raw)
To: Thomas Huth, Paul Mackerras, linuxppc-dev
Cc: Madhavan Srinivasan, Alexander Graf, kvm-ppc
On Thu, 2016-12-05 at 11:29:11 UTC, Thomas Huth wrote:
> We are already using the privileged versions of MMCR0, MMCR1
> and MMCRA in the kernel, so for MMCR2, we should better use
> the privileged versions, too, to be consistent.
>
> Suggested-by: Paul Mackerras <paulus@ozlabs.org>
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> Acked-by: Paul Mackerras <paulus@ozlabs.org>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/8dd75ccb571f3c92c48014b3da
cheers
^ permalink raw reply [flat|nested] 3+ messages in thread
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