On Tue, 27 Jan 2015, Julien Grall wrote: > On 27/01/15 16:30, Stefano Stabellini wrote: > > On Fri, 16 Jan 2015, Julien Grall wrote: > >> From: Andreas Herrmann <andreas.herrm...@calxeda.com> > >> > >> If DT information lists one stream ID twice for the master devices of > >> an SMMU this can cause a multi match when stream ID matching is used. > >> For stream ID indexing this might trigger an overwrite of an S2CR that > >> is already in use. > >> > >> So better check for duplicates when DT information is parsed. > >> > >> Taken from the linux ML: > >> http://lists.infradead.org/pipermail/linux-arm-kernel/2014-January/226099.html > >> > >> Cc: Andreas Herrmann <herrmann.der.u...@googlemail.com> > >> Signed-off-by: Andreas Herrmann <andreas.herrm...@calxeda.com> > >> Signed-off-by: Julien Grall <julien.gr...@linaro.org> > > > > Why didn't you just take a more recent version of the Linux smmu driver? > > The SMMU driver very is recent (see commit in the previous patch)... > Just this patch has never reached upstream.
That is not good. It might be worth to wait for it to go upstream. _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
