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linux/arch/powerpc/kvm
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Thomas Huth fa73c3b25b KVM: PPC: Book3s PR: Allow access to unprivileged MMCR2 register 
The MMCR2 register is available twice, one time with number 785
(privileged access), and one time with number 769 (unprivileged,
but it can be disabled completely). In former times, the Linux
kernel was using the unprivileged register 769 only, but since
commit 8dd75ccb57 ("powerpc: Use privileged SPR number
for MMCR2"), it uses the privileged register 785 instead.
The KVM-PR code then of course also switched to use the SPR 785,
but this is causing older guest kernels to crash, since these
kernels still access 769 instead. So to support older kernels
with KVM-PR again, we have to support register 769 in KVM-PR, too.

Fixes: 8dd75ccb57
Cc: stable@vger.kernel.org # v3.10+
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
2016-09-27 15:14:29 +10:00
..
book3s_32_mmu_host.c powerpc/mm: Move hash related mmu-*.h headers to book3s/ 2016-03-03 21:19:21 +11:00
book3s_32_mmu.c
book3s_32_sr.S
book3s_64_mmu_host.c powerpc/mm: Move hash table ops to a separate structure 2016-07-21 18:59:09 +10:00
book3s_64_mmu_hv.c powerpc/mm: Drop WIMG in favour of new constants 2016-05-01 18:32:33 +10:00
book3s_64_mmu.c powerpc/mm: Move hash related mmu-*.h headers to book3s/ 2016-03-03 21:19:21 +11:00
book3s_64_slb.S
book3s_64_vio_hv.c KVM: PPC: Create a virtual-mode only TCE table handlers 2016-03-22 12:02:51 +01:00
book3s_64_vio.c powerpc/kvm: Clarify __user annotations 2016-07-14 20:43:50 +10:00
book3s_emulate.c KVM: PPC: Book3s PR: Allow access to unprivileged MMCR2 register 2016-09-27 15:14:29 +10:00
book3s_exports.c
book3s_hv_builtin.c KVM: PPC: Book3S HV: Complete passthrough interrupt in host 2016-09-12 10:12:07 +10:00
book3s_hv_hmi.c powerpc: move hmi.c to arch/powerpc/kvm/ 2016-09-09 16:18:07 +10:00
book3s_hv_interrupts.S
book3s_hv_ras.c KVM: PPC: Book3S HV: Fix TB corruption in guest exit path on HMI interrupt 2016-06-20 14:11:25 +10:00
book3s_hv_rm_mmu.c powerpc/mm: Drop WIMG in favour of new constants 2016-05-01 18:32:33 +10:00
book3s_hv_rm_xics.c KVM: PPC: Book3S HV: Counters for passthrough IRQ stats 2016-09-12 10:12:34 +10:00
book3s_hv_rmhandlers.S KVM: PPC: Book3S: Treat VTB as a per-subcore register, not per-thread 2016-09-27 14:41:39 +10:00
book3s_hv.c KVM: PPC: Book3S HV: Take out virtual core piggybacking code 2016-09-27 14:42:07 +10:00
book3s_interrupts.S powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
book3s_mmu_hpte.c
book3s_paired_singles.c
book3s_pr_papr.c KVM: PPC: Add support for multiple-TCE hcalls 2016-02-16 13:44:26 +11:00
book3s_pr.c KVM: PPC: Book3S PR: Support 64kB page size on POWER8E and POWER8NVL 2016-09-27 15:14:29 +10:00
book3s_rmhandlers.S powerpc: Define and use PPC64_ELF_ABI_v2/v1 2016-06-14 13:58:27 +10:00
book3s_rtas.c
book3s_segment.S
book3s_xics.c KVM: PPC: Book3S HV: Set server for passed-through interrupts 2016-09-12 10:12:28 +10:00
book3s_xics.h KVM: PPC: Book3S HV: Set server for passed-through interrupts 2016-09-12 10:12:28 +10:00
book3s.c KVM: PPC: Book3S: Treat VTB as a per-subcore register, not per-thread 2016-09-27 14:41:39 +10:00
book3s.h
booke_emulate.c
booke_interrupts.S
booke.c KVM: PPC: BookE: Fix a sanity check 2016-09-27 15:14:29 +10:00
booke.h
bookehv_interrupts.S
e500_emulate.c
e500_mmu_host.c kvm: rename pfn_t to kvm_pfn_t 2016-01-15 17:56:32 -08:00
e500_mmu_host.h
e500_mmu.c KVM: PPC: e500: Rename jump labels in kvmppc_e500_tlb_init() 2016-09-13 14:32:47 +10:00
e500.c
e500.h kvm: rename pfn_t to kvm_pfn_t 2016-01-15 17:56:32 -08:00
e500mc.c powerpc: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
emulate_loadstore.c
emulate.c KVM: PPC: Book3S PR: Fix illegal opcode emulation 2016-06-20 14:11:25 +10:00
fpu.S
irq.h
Kconfig KVM: PPC: select IRQ_BYPASS_MANAGER 2016-09-09 16:26:19 +10:00
Makefile Merge branch 'kvm-ppc-infrastructure' into kvm-ppc-next 2016-09-09 16:24:23 +10:00
mpic.c KVM: pass struct kvm to kvm_set_routing_entry 2016-07-14 09:03:56 +02:00
powerpc.c kvm: add stubs for arch specific debugfs support 2016-09-16 16:57:47 +02:00
timing.c
timing.h
trace_book3s.h
trace_booke.h
trace_hv.h KVM: PPC: Book3S HV: Implement halt polling 2016-09-08 12:21:45 +10:00
trace_pr.h kvm: rename pfn_t to kvm_pfn_t 2016-01-15 17:56:32 -08:00
trace.h