Re: [Xen-devel] [PATCH v2] xen/arm: domain_build: Add PSCI 1.0 compatibility

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

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@xxxxxxxxxxxx>
> > 
> > Acked-by: Julien Grall <julien.grall@xxxxxxx>
> > 
> > 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@xxxxxxxxxx>

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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