On Fri, 8 Dec 2017, Julien Grall wrote: > Hi Stefano, > > On 07/12/17 23:05, Stefano Stabellini wrote: > > On Wed, 6 Dec 2017, Julien Grall wrote: > > > From: Julien Grall <julien.gr...@arm.com> > > > > > > When system registers are not enabled, all the access to them will trap > > ^ accesses > > > > > > > in EL2. In Xen, system registers will be enabled by gicv3_cpu_init only > > > on success. As the rest of the code (e.g gicv3_hyp_init) relies on > > > system register, it is better to bail out directly. > > > > > > This will save time on debugging early boot issue on GICv3 platform. > > > > > > Signed-off-by: Julien Grall <julien.gr...@linaro.org> > > > > This is good: > > > > Reviewed-by: Stefano Stabellini <sstabell...@kernel.org> > > > > > > Do we also want to print a warning or an error message? > > AFAICT, all the path that return an error in gicv3_cpu_init (and the callers) > have already a warning/error message. So no need to add an extra one here.
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