Paul Mackerras c20875a3e6 KVM: PPC: Book3S HV: Prohibit setting illegal transaction state in MSR ... Currently it is possible for userspace (e.g. QEMU) to set a value for the MSR for a guest VCPU which has both of the TS bits set, which is an illegal combination. The result of this is that when we execute a hrfid (hypervisor return from interrupt doubleword) instruction to enter the guest, the CPU will take a TM Bad Thing type of program interrupt (vector 0x700). Now, if PR KVM is configured in the kernel along with HV KVM, we actually handle this without crashing the host or giving hypervisor privilege to the guest; instead what happens is that we deliver a program interrupt to the guest, with SRR0 reflecting the address of the hrfid instruction and SRR1 containing the MSR value at that point. If PR KVM is not configured in the kernel, then we try to run the host's program interrupt handler with the MMU set to the guest context, which almost certainly causes a host crash. This closes the hole by making kvmppc_set_msr_hv() check for the illegal combination and force the TS field to a safe value (00, meaning non-transactional). Cc: stable@vger.kernel.org # v3.9+ Signed-off-by: Paul Mackerras <paulus@samba.org>		2015-12-10 11:34:27 +11:00
..
book3s_32_mmu_host.c	KVM: PPC: Fix warnings from sparse	2015-08-22 11:16:16 +02:00
book3s_32_mmu.c	arch: powerpc: kvm: book3s_32_mmu.c: Remove unused function	2014-12-17 13:12:25 +01:00
book3s_32_sr.S	KVM: PPC: book3s_pr: Simplify transitions between virtual and real mode	2011-09-25 19:52:29 +03:00
book3s_64_mmu_host.c	KVM: PPC: Fix warnings from sparse	2015-08-22 11:16:16 +02:00
book3s_64_mmu_hv.c	powerpc updates for 4.4	2015-11-05 23:38:43 -08:00
book3s_64_mmu.c	KVM: PPC: Disable NX for old magic page using guests	2014-05-30 14:26:24 +02:00
book3s_64_slb.S	KVM: PPC: Book3S PR: Rework SLB switching code	2014-05-30 14:26:30 +02:00
book3s_64_vio_hv.c	KVM: PPC: Book3S: Introduce hypervisor call H_GET_TCE	2014-03-26 23:34:27 +11:00
book3s_64_vio.c	ppc: kvm: use anon_inode_getfd() with O_CLOEXEC flag	2013-08-26 13:19:56 +03:00
book3s_emulate.c	KVM: PPC: Fix warnings from sparse	2015-08-22 11:16:16 +02:00
book3s_exports.c	KVM: PPC: Make shared struct aka magic page guest endian	2014-05-30 14:26:21 +02:00
book3s_hv_builtin.c	KVM: PPC: Book3S HV: Implement dynamic micro-threading on POWER8	2015-08-22 11:16:17 +02:00
book3s_hv_interrupts.S	powerpc/kvm: Create proper names for the kvm_host_state PMU fields	2014-12-29 15:45:55 +11:00
book3s_hv_ras.c	powerpc/book3s: Fix flush_tlb cpu_spec hook to take a generic argument.	2015-03-17 07:52:48 +11:00
book3s_hv_rm_mmu.c	powerpc updates for 4.4	2015-11-05 23:38:43 -08:00
book3s_hv_rm_xics.c	KVM: PPC: Book3S HV: Make use of unused threads when running guests	2015-08-22 11:16:17 +02:00
book3s_hv_rmhandlers.S	KVM: PPC: Book3S HV: Synthesize segment fault if SLB lookup fails	2015-11-06 15:40:42 +11:00
book3s_hv.c	KVM: PPC: Book3S HV: Prohibit setting illegal transaction state in MSR	2015-12-10 11:34:27 +11:00
book3s_interrupts.S	KVM: PPC: Book3S PR: Fix ABIv2 on LE	2014-07-28 15:22:15 +02:00
book3s_mmu_hpte.c	kvm: powerpc: book3s: pr: move PR related tracepoints to a separate header	2013-10-17 15:36:22 +02:00
book3s_paired_singles.c	KVM: PPC: Fix warnings from sparse	2015-08-22 11:16:16 +02:00
book3s_pr_papr.c	kvmppc: Implement H_LOGICAL_CI_{LOAD,STORE} in KVM	2015-04-21 15:21:28 +02:00
book3s_pr.c	KVM: add "new" argument to kvm_arch_commit_memory_region	2015-05-28 10:42:58 +02:00
book3s_rmhandlers.S	KVM: PPC: Book3S PR: Fix ABIv2 on LE	2014-07-28 15:22:15 +02:00
book3s_rtas.c	KVM: PPC: RTAS: Do byte swaps explicitly	2014-07-07 23:17:20 +02:00
book3s_segment.S	KVM: PPC: Book3S: correct width in XER handling	2015-08-22 11:16:19 +02:00
book3s_xics.c	KVM: PPC: Book3S: Fix typo in top comment about locking	2015-09-04 07:28:05 +10:00
book3s_xics.h	KVM: PPC: Book3S HV: Add ICP real mode counters	2015-04-21 15:21:30 +02:00
book3s.c	KVM: PPC: Book3S: Take the kvm->srcu lock in kvmppc_h_logical_ci_load/store()	2015-09-21 09:05:15 +10:00
book3s.h	kvm: Fix page ageing bugs	2014-09-24 14:07:58 +02:00
booke_emulate.c	KVM: PPC: BOOKE: Emulate debug registers and exception	2014-09-22 10:11:33 +02:00
booke_interrupts.S	KVM: PPC: Remove 440 support	2014-07-28 15:23:15 +02:00
booke.c	KVM: add halt_attempted_poll to VCPU stats	2015-09-16 12:17:00 +02:00
booke.h	KVM: PPC: Book3e: Add AltiVec support	2014-09-22 10:11:32 +02:00
bookehv_interrupts.S	powerpc/kvm: common sw breakpoint instr across ppc	2014-09-22 10:11:36 +02:00
e500_emulate.c	KVM: PPC: e500: Emulate TMCFG0 TMRN register	2015-10-15 15:58:16 +11:00
e500_mmu_host.c	powerpc updates for 4.4	2015-11-05 23:38:43 -08:00
e500_mmu_host.h	KVM: PPC: E500: Make clear_tlb_refs and clear_tlb1_bitmap static	2013-01-24 19:23:33 +01:00
e500_mmu.c	KVM: PPC: fix suspicious use of conditional operator	2015-08-22 11:16:16 +02:00
e500.c	KVM: PPC: e500: fix handling local_sid_lookup result	2015-10-15 15:58:16 +11:00
e500.h	KVM: PPC: e500mc: Add support for single threaded vcpus on e6500 core	2014-09-22 10:11:35 +02:00
e500mc.c	powerpc: Replace __get_cpu_var uses	2014-11-03 12:12:32 +11:00
emulate_loadstore.c	KVM: PPC: Pass enum to kvmppc_get_last_inst	2014-09-22 10:11:36 +02:00
emulate.c	KVM: PPC: Pass enum to kvmppc_get_last_inst	2014-09-22 10:11:36 +02:00
fpu.S	powerpc: Remove fpscr use from [kvm_]cvt_{fd,df}	2010-09-02 14:07:32 +10:00
irq.h	KVM: PPC: Book3S: Add API for in-kernel XICS emulation	2013-05-02 15:28:36 +02:00
Kconfig	KVM: PPC: Remove PPC970 from KVM_BOOK3S_64_HV text in Kconfig	2015-08-22 11:16:16 +02:00
Makefile	Here are the PPC and ARM changes for KVM, which I separated because	2014-08-07 11:35:30 -07:00
mpic.c	kvm/ppc/mpic: drop unused IRQ_testbit	2015-04-08 10:46:58 +02:00
powerpc.c	KVM: PPC: Implement extension to report number of memslots	2015-10-21 16:31:46 +11:00
timing.c	KVM: PPC: Remove DCR handling	2014-07-28 19:29:15 +02:00
timing.h	KVM: PPC: Remove DCR handling	2014-07-28 19:29:15 +02:00
trace_book3s.h	KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions	2014-12-17 13:29:27 +01:00
trace_booke.h	KVM: PPC: BookE: Improve irq inject tracepoint	2014-12-15 13:27:23 +01:00
trace_hv.h	KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions	2014-12-17 13:29:27 +01:00
trace_pr.h	KVM: PPC: Book3S HV: Tracepoints for KVM HV guest interactions	2014-12-17 13:29:27 +01:00
trace.h	kvm: powerpc: booke: Move booke related tracepoints to separate header	2013-10-17 15:37:16 +02:00