On Mon, May 21, 2012 at 08:20:05PM +0300, Ohad Ben-Cohen wrote: > Sometimes a single IOMMU user may have to deal with several > different IOMMU devices (e.g. remoteproc). > > When an IOMMU fault happens, such users have to regain their > context in order to deal with the fault. > > Users can't use the private fields of neither the iommu_domain nor > the IOMMU device, because those are already used by the IOMMU core > and low level driver (respectively). > > This patch just simply allows users to pass a private token (most > notably their own context pointer) to iommu_set_fault_handler(), > and then makes sure it is provided back to the users whenever > an IOMMU fault happens. > > The patch also adopts remoteproc to the new fault handling > interface, but the real functionality using this (recovery of > remote processors) will only be added later in a subsequent patch > set. > > Cc: Fernando Guzman Lugo <fernando.lugo@xxxxxx> > Signed-off-by: Ohad Ben-Cohen <ohad@xxxxxxxxxx> Applied, thanks. -- AMD Operating System Research Center Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
