* [PATCH v2] xen/arm: domain_build: Add PSCI 1.0 compatibility
@ 2016-04-21 5:33 Dirk Behme
2016-04-22 15:42 ` Julien Grall
0 siblings, 1 reply; 5+ messages in thread
From: Dirk Behme @ 2016-04-21 5:33 UTC (permalink / raw)
To: xen-devel; +Cc: Dirk Behme, julien.grall, sstabellini
Xen needs to blacklist any PSCI node as it will be recreated for DOM0.
Up to now, this was done only for arm,psci and arm,psci-0.2 compatible
nodes. Add PSCI 1.0 compatibility to make device tree nodes with
compatible = "arm,psci-1.0";
blacklisted, too
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
---
xen/arch/arm/domain_build.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index aba714c..00dc07a 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -1190,6 +1190,7 @@ static int handle_node(struct domain *d, struct kernel_info *kinfo,
DT_MATCH_COMPATIBLE("multiboot,module"),
DT_MATCH_COMPATIBLE("arm,psci"),
DT_MATCH_COMPATIBLE("arm,psci-0.2"),
+ DT_MATCH_COMPATIBLE("arm,psci-1.0"),
DT_MATCH_COMPATIBLE("arm,cortex-a7-pmu"),
DT_MATCH_COMPATIBLE("arm,cortex-a15-pmu"),
DT_MATCH_COMPATIBLE("arm,armv8-pmuv3"),
--
2.8.0
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^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH v2] xen/arm: domain_build: Add PSCI 1.0 compatibility
2016-04-21 5:33 [PATCH v2] xen/arm: domain_build: Add PSCI 1.0 compatibility Dirk Behme
@ 2016-04-22 15:42 ` Julien Grall
2016-04-22 15:49 ` Wei Liu
2016-04-22 17:21 ` Julien Grall
0 siblings, 2 replies; 5+ messages in thread
From: Julien Grall @ 2016-04-22 15:42 UTC (permalink / raw)
To: Dirk Behme, xen-devel; +Cc: sstabellini, Wei Liu
(CC Wei for release-ack)
Hello Dirk,
On 21/04/16 06:33, Dirk Behme wrote:
> Xen needs to blacklist any PSCI node as it will be recreated for DOM0.
> Up to now, this was done only for arm,psci and arm,psci-0.2 compatible
> nodes. Add PSCI 1.0 compatibility to make device tree nodes with
>
> compatible = "arm,psci-1.0";
>
> blacklisted, too
>
> Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Acked-by: Julien Grall <julien.grall@arm.com>
I think this is a bug fix for Xen 4.7. The impact is very limited and
will help to boot Xen on platform when only PSCI 1.0 is supported.
The patch should also be backported to Xen 4.6 where the support of PSCI
1.0 has been added for the first time.
Regards,
> ---
> xen/arch/arm/domain_build.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
> index aba714c..00dc07a 100644
> --- a/xen/arch/arm/domain_build.c
> +++ b/xen/arch/arm/domain_build.c
> @@ -1190,6 +1190,7 @@ static int handle_node(struct domain *d, struct kernel_info *kinfo,
> DT_MATCH_COMPATIBLE("multiboot,module"),
> DT_MATCH_COMPATIBLE("arm,psci"),
> DT_MATCH_COMPATIBLE("arm,psci-0.2"),
> + DT_MATCH_COMPATIBLE("arm,psci-1.0"),
> DT_MATCH_COMPATIBLE("arm,cortex-a7-pmu"),
> DT_MATCH_COMPATIBLE("arm,cortex-a15-pmu"),
> DT_MATCH_COMPATIBLE("arm,armv8-pmuv3"),
>
--
Julien Grall
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] xen/arm: domain_build: Add PSCI 1.0 compatibility
2016-04-22 15:42 ` Julien Grall
@ 2016-04-22 15:49 ` Wei Liu
2016-04-22 17:28 ` Stefano Stabellini
2016-04-22 17:21 ` Julien Grall
1 sibling, 1 reply; 5+ messages in thread
From: Wei Liu @ 2016-04-22 15:49 UTC (permalink / raw)
To: Julien Grall; +Cc: Dirk Behme, Wei Liu, sstabellini, xen-devel
On Fri, Apr 22, 2016 at 04:42:21PM +0100, Julien Grall wrote:
> (CC Wei for release-ack)
>
> Hello Dirk,
>
> On 21/04/16 06:33, Dirk Behme wrote:
> >Xen needs to blacklist any PSCI node as it will be recreated for DOM0.
> >Up to now, this was done only for arm,psci and arm,psci-0.2 compatible
> >nodes. Add PSCI 1.0 compatibility to make device tree nodes with
> >
> >compatible = "arm,psci-1.0";
> >
> >blacklisted, too
> >
> >Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
>
> Acked-by: Julien Grall <julien.grall@arm.com>
>
> I think this is a bug fix for Xen 4.7. The impact is very limited and will
> help to boot Xen on platform when only PSCI 1.0 is supported.
>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>
> The patch should also be backported to Xen 4.6 where the support of PSCI 1.0
> has been added for the first time.
>
> Regards,
>
> >---
> > xen/arch/arm/domain_build.c | 1 +
> > 1 file changed, 1 insertion(+)
> >
> >diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
> >index aba714c..00dc07a 100644
> >--- a/xen/arch/arm/domain_build.c
> >+++ b/xen/arch/arm/domain_build.c
> >@@ -1190,6 +1190,7 @@ static int handle_node(struct domain *d, struct kernel_info *kinfo,
> > DT_MATCH_COMPATIBLE("multiboot,module"),
> > DT_MATCH_COMPATIBLE("arm,psci"),
> > DT_MATCH_COMPATIBLE("arm,psci-0.2"),
> >+ DT_MATCH_COMPATIBLE("arm,psci-1.0"),
> > DT_MATCH_COMPATIBLE("arm,cortex-a7-pmu"),
> > DT_MATCH_COMPATIBLE("arm,cortex-a15-pmu"),
> > DT_MATCH_COMPATIBLE("arm,armv8-pmuv3"),
> >
>
> --
> Julien Grall
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] xen/arm: domain_build: Add PSCI 1.0 compatibility
2016-04-22 15:42 ` Julien Grall
2016-04-22 15:49 ` Wei Liu
@ 2016-04-22 17:21 ` Julien Grall
1 sibling, 0 replies; 5+ messages in thread
From: Julien Grall @ 2016-04-22 17:21 UTC (permalink / raw)
To: Dirk Behme, xen-devel; +Cc: sstabellini, Wei Liu
On 22/04/16 16:42, Julien Grall wrote:
> (CC Wei for release-ack)
>
> Hello Dirk,
>
> On 21/04/16 06:33, Dirk Behme wrote:
>> Xen needs to blacklist any PSCI node as it will be recreated for DOM0.
>> Up to now, this was done only for arm,psci and arm,psci-0.2 compatible
>> nodes. Add PSCI 1.0 compatibility to make device tree nodes with
>>
>> compatible = "arm,psci-1.0";
>>
>> blacklisted, too
>>
>> Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
>
> Acked-by: Julien Grall <julien.grall@arm.com>
>
> I think this is a bug fix for Xen 4.7. The impact is very limited and
> will help to boot Xen on platform when only PSCI 1.0 is supported.
>
> The patch should also be backported to Xen 4.6 where the support of PSCI
> 1.0 has been added for the first time.
Hmmm, I messed up my tig command line. The support of PSCI v1.0 is only
in Xen 4.7. So there is no need to backport this patch.
Regards,
--
Julien Grall
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH v2] xen/arm: domain_build: Add PSCI 1.0 compatibility
2016-04-22 15:49 ` Wei Liu
@ 2016-04-22 17:28 ` Stefano Stabellini
0 siblings, 0 replies; 5+ messages in thread
From: Stefano Stabellini @ 2016-04-22 17:28 UTC (permalink / raw)
To: Wei Liu; +Cc: Julien Grall, Dirk Behme, sstabellini, xen-devel
On Fri, 22 Apr 2016, Wei Liu wrote:
> On Fri, Apr 22, 2016 at 04:42:21PM +0100, Julien Grall wrote:
> > (CC Wei for release-ack)
> >
> > Hello Dirk,
> >
> > On 21/04/16 06:33, Dirk Behme wrote:
> > >Xen needs to blacklist any PSCI node as it will be recreated for DOM0.
> > >Up to now, this was done only for arm,psci and arm,psci-0.2 compatible
> > >nodes. Add PSCI 1.0 compatibility to make device tree nodes with
> > >
> > >compatible = "arm,psci-1.0";
> > >
> > >blacklisted, too
> > >
> > >Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
> >
> > Acked-by: Julien Grall <julien.grall@arm.com>
> >
> > I think this is a bug fix for Xen 4.7. The impact is very limited and will
> > help to boot Xen on platform when only PSCI 1.0 is supported.
> >
>
> Release-acked-by: Wei Liu <wei.liu2@citrix.com>
committed to staging
> > The patch should also be backported to Xen 4.6 where the support of PSCI 1.0
> > has been added for the first time.
> >
> > Regards,
> >
> > >---
> > > xen/arch/arm/domain_build.c | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > >diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
> > >index aba714c..00dc07a 100644
> > >--- a/xen/arch/arm/domain_build.c
> > >+++ b/xen/arch/arm/domain_build.c
> > >@@ -1190,6 +1190,7 @@ static int handle_node(struct domain *d, struct kernel_info *kinfo,
> > > DT_MATCH_COMPATIBLE("multiboot,module"),
> > > DT_MATCH_COMPATIBLE("arm,psci"),
> > > DT_MATCH_COMPATIBLE("arm,psci-0.2"),
> > >+ DT_MATCH_COMPATIBLE("arm,psci-1.0"),
> > > DT_MATCH_COMPATIBLE("arm,cortex-a7-pmu"),
> > > DT_MATCH_COMPATIBLE("arm,cortex-a15-pmu"),
> > > DT_MATCH_COMPATIBLE("arm,armv8-pmuv3"),
> > >
> >
> > --
> > Julien Grall
>
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2016-04-21 5:33 [PATCH v2] xen/arm: domain_build: Add PSCI 1.0 compatibility Dirk Behme
2016-04-22 15:42 ` Julien Grall
2016-04-22 15:49 ` Wei Liu
2016-04-22 17:28 ` Stefano Stabellini
2016-04-22 17:21 ` Julien Grall
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