diff options
| author | James Hogan <james.hogan@imgtec.com> | 2017-03-14 10:25:50 +0000 |
|---|---|---|
| committer | James Hogan <james.hogan@imgtec.com> | 2017-03-28 15:36:20 +0100 |
| commit | 1f48f9be4df2fd82e3bea0c4d452299c9b3df792 (patch) | |
| tree | 540ecd97549d524fbd0bbb69bcfda445b8939698 /arch/mips/include/asm | |
| parent | 3ba731daf09a2dd9515713e2428ef859bb50957b (diff) | |
KVM: MIPS/VZ: Handle Octeon III guest.PRid register
Octeon III implements a read-only guest CP0_PRid register, so add cases
to the KVM register access API for Octeon to ensure the correct value is
read and writes are ignored.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Daney <david.daney@cavium.com>
Cc: Andreas Herrmann <andreas.herrmann@caviumnetworks.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index ebe608d21d7e..6875b69f59f7 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -2025,6 +2025,8 @@ do { \ #define read_gc0_epc() __read_ulong_gc0_register(14, 0) #define write_gc0_epc(val) __write_ulong_gc0_register(14, 0, val) +#define read_gc0_prid() __read_32bit_gc0_register(15, 0) + #define read_gc0_ebase() __read_32bit_gc0_register(15, 1) #define write_gc0_ebase(val) __write_32bit_gc0_register(15, 1, val) |