x86/events, drivers/amd/iommu: Prepare for multiple IOMMUs support
authorSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Fri, 24 Feb 2017 08:48:19 +0000 (02:48 -0600)
committerIngo Molnar <mingo@kernel.org>
Thu, 30 Mar 2017 07:53:55 +0000 (09:53 +0200)
commit1650dfd1a9bcde8fcfaab776887bb6f4e91830c3
tree7a67dd0356995ea7f9bc0c90ee6c4e0e12049437
parentf5863a00e73c432b91e4efe1d68778b4ace6a892
x86/events, drivers/amd/iommu: Prepare for multiple IOMMUs support

Currently, amd_iommu_pc_get_set_reg_val() cannot support multiple
IOMMUs. Modify it to allow callers to specify an IOMMU. This is in
preparation for supporting multiple IOMMUs.

Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Jörg Rödel <joro@8bytes.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: iommu@lists.linux-foundation.org
Link: http://lkml.kernel.org/r/1487926102-13073-8-git-send-email-Suravee.Suthikulpanit@amd.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/events/amd/iommu.c
arch/x86/events/amd/iommu.h
drivers/iommu/amd_iommu_init.c
drivers/iommu/amd_iommu_proto.h