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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

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>

> 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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