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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v5 21/21] xen/arm: check for GICv3 platform support
On Fri, Jun 13, 2014 at 4:21 AM, Julien Grall <julien.grall@xxxxxxxxxx> wrote: > Hi Vijay, > > > On 12/06/14 14:36, vijay.kilari@xxxxxxxxx wrote: >> >> From: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxxxxxxxxxx> >> >> ID_AA64PFR0_EL1 register provides information about GIC support. >> Check for this register in GICv3 driver. >> >> Also print GICv3 support information in boot log > > > We already have a GICv3 node in the device tree. Why do we need to check > that GICv3 is effectively support by board? > > We rely on the user provide us a correct device tree, so I don't think this > patch is helpful... GICv3 driver is compiled for arm64 alone. Assume that platform does not support GICv3 and DT is passed with GICv3 info. In such scenario this patch helps. However, still first part of patch where in printing the platform support for GICv3 still valid. > > Regards, > > -- > Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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