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linux/arch/powerpc/kvm
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Nicholas Piggin 22f7ff0dea KVM: PPC: Book3S HV Nested: Fix nested HFSCR being clobbered with multiple vCPUs 
The L0 is storing HFSCR requested by the L1 for the L2 in struct
kvm_nested_guest when the L1 requests a vCPU enter L2. kvm_nested_guest
is not a per-vCPU structure. Hilarity ensues.

Fix it by moving the nested hfscr into the vCPU structure together with
the other per-vCPU nested fields.

Fixes: 8b210a880b ("KVM: PPC: Book3S HV Nested: Make nested HFSCR state accessible")
Cc: stable@vger.kernel.org # v5.15+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220122105530.3477250-1-npiggin@gmail.com
2022-01-25 16:39:41 +11:00
..
book3s_32_mmu_host.c powerpc/32s: move CTX_TO_VSID() into mmu-hash.h 2021-06-17 00:09:08 +10:00
book3s_32_mmu.c KVM: Use 'unsigned long' as kvm_for_each_vcpu()'s index 2021-12-08 04:24:15 -05:00
book3s_32_sr.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
book3s_64_entry.S KVM: PPC: Book3S HV P9: Comment and fix MMU context switching code 2021-11-24 21:09:01 +11:00
book3s_64_mmu_host.c powerpc/kvm: Fix build error when PPC_MEM_KEYS/PPC_PSERIES=n 2021-04-27 10:48:37 +10:00
book3s_64_mmu_hv.c KVM: Keep memslots in tree-based structures instead of array-based ones 2021-12-08 04:24:34 -05:00
book3s_64_mmu_radix.c KVM: PPC: Book3S HV P9: Comment and fix MMU context switching code 2021-11-24 21:09:01 +11:00
book3s_64_mmu.c KVM: Use 'unsigned long' as kvm_for_each_vcpu()'s index 2021-12-08 04:24:15 -05:00
book3s_64_slb.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
book3s_64_vio_hv.c ARM: 2021-09-07 13:40:51 -07:00
book3s_64_vio.c KVM: PPC: Replace zero-length array with flexible array member 2021-10-20 18:30:42 -05:00
book3s_emulate.c powerpc/32s: Change mfsrin() into a static inline function 2021-02-09 01:10:15 +11:00
book3s_exports.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
book3s_hv_builtin.c KVM: PPC: Book3S HV P9: Stop using vc->dpdes 2021-11-24 21:09:03 +11:00
book3s_hv_hmi.c KVM: PPC: Book3S HV P9: Remove subcore HMI handling 2021-11-24 21:09:03 +11:00
book3s_hv_interrupts.S KVM: PPC: Book3S HV P9: Implement PMU save/restore in C 2021-11-24 21:08:58 +11:00
book3s_hv_nested.c KVM: PPC: Book3S HV Nested: Fix nested HFSCR being clobbered with multiple vCPUs 2022-01-25 16:39:41 +11:00
book3s_hv_p9_entry.c KVM: PPC: Book3S HV P9: Remove unused ri_set local variable 2021-12-02 10:42:40 +11:00
book3s_hv_ras.c KVM: PPC: Book3S HV P9: Remove subcore HMI handling 2021-11-24 21:09:03 +11:00
book3s_hv_rm_mmu.c KVM: PPC: Book3S HV P9: Avoid tlbsync sequence on radix guest exit 2021-11-24 21:09:01 +11:00
book3s_hv_rm_xics.c powerpc/powernv/pci: Rework pnv_opal_pci_msi_eoi() 2021-08-10 23:15:01 +10:00
book3s_hv_rm_xive.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
book3s_hv_rmhandlers.S powerpc: flexible GPR range save/restore macros 2021-11-29 23:15:20 +11:00
book3s_hv_tm_builtin.c KVM: PPC: Book3S HV: Treat TM-related invalid form instructions on P9 like the valid ones 2020-03-19 16:39:52 +11:00
book3s_hv_tm.c KVM: PPC: Book3S HV Nested: Fix TM softpatch HFAC interrupt emulation 2021-08-25 16:37:17 +10:00
book3s_hv_uvmem.c KVM: Keep memslots in tree-based structures instead of array-based ones 2021-12-08 04:24:34 -05:00
book3s_hv.c KVM: PPC: Book3S HV Nested: Fix nested HFSCR being clobbered with multiple vCPUs 2022-01-25 16:39:41 +11:00
book3s_hv.h KVM: PPC: Book3S HV P9: Use Linux SPR save/restore to manage some host SPRs 2021-11-24 21:09:01 +11:00
book3s_interrupts.S PPC KVM update for 5.9 2020-08-09 13:24:02 -04:00
book3s_mmu_hpte.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 266 2019-06-05 17:30:28 +02:00
book3s_paired_singles.c KVM: PPC: Clean up redundant 'kvm_run' parameters 2020-05-27 11:39:31 +10:00
book3s_pr_papr.c KVM: Rename kvm_vcpu_block() => kvm_vcpu_halt() 2021-12-08 04:24:51 -05:00
book3s_pr.c KVM: Rename kvm_vcpu_block() => kvm_vcpu_halt() 2021-12-08 04:24:51 -05:00
book3s_rmhandlers.S powerpc: Replace RFI by rfi on book3s/32 and booke 2020-11-19 16:56:54 +11:00
book3s_rtas.c KVM: PPC: Book3S: Fix H_RTAS rets buffer overflow 2021-07-23 16:14:31 +10:00
book3s_segment.S KVM: PPC: Book3S 64: move bad_host_intr check to HV handler 2021-06-10 22:12:12 +10:00
book3s_xics.c KVM: Use 'unsigned long' as kvm_for_each_vcpu()'s index 2021-12-08 04:24:15 -05:00
book3s_xics.h KVM: Use 'unsigned long' as kvm_for_each_vcpu()'s index 2021-12-08 04:24:15 -05:00
book3s_xive_native.c KVM: Use 'unsigned long' as kvm_for_each_vcpu()'s index 2021-12-08 04:24:15 -05:00
book3s_xive_template.c powerpc/xive: Remove P9 DD1 flag XIVE_IRQ_FLAG_EOI_FW 2020-12-11 09:53:10 +11:00
book3s_xive.c KVM: Use 'unsigned long' as kvm_for_each_vcpu()'s index 2021-12-08 04:24:15 -05:00
book3s_xive.h KVM: Use 'unsigned long' as kvm_for_each_vcpu()'s index 2021-12-08 04:24:15 -05:00
book3s.c KVM: PPC: Avoid referencing userspace memory region in memslot updates 2021-12-08 04:24:22 -05:00
book3s.h KVM: PPC: Book3S PR: Declare kvmppc_handle_exit_pr() 2021-08-20 22:17:38 +10:00
booke_emulate.c KVM: PPC: Clean up redundant 'kvm_run' parameters 2020-05-27 11:39:31 +10:00
booke_interrupts.S KVM: PPC: Clean up redundant kvm_run parameters in assembly 2020-07-23 15:50:01 +10:00
booke.c KVM: Rename kvm_vcpu_block() => kvm_vcpu_halt() 2021-12-08 04:24:51 -05:00
booke.h KVM: PPC: Clean up redundant 'kvm_run' parameters 2020-05-27 11:39:31 +10:00
bookehv_interrupts.S KVM: PPC: Clean up redundant kvm_run parameters in assembly 2020-07-23 15:50:01 +10:00
e500_emulate.c KVM: Use 'unsigned long' as kvm_for_each_vcpu()'s index 2021-12-08 04:24:15 -05:00
e500_mmu_host.c KVM: PPC: Convert to the gfn-based MMU notifier callbacks 2021-04-17 08:31:07 -04:00
e500_mmu_host.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
e500_mmu.c KVM: PPC: Kill kvmppc_ops::mmu_destroy() and kvmppc_mmu_destroy() 2020-03-19 16:43:07 +11:00
e500.c KVM: PPC: Kill kvmppc_ops::mmu_destroy() and kvmppc_mmu_destroy() 2020-03-19 16:43:07 +11:00
e500.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
e500mc.c KVM: PPC: Kill kvmppc_ops::mmu_destroy() and kvmppc_mmu_destroy() 2020-03-19 16:43:07 +11:00
emulate_loadstore.c MIPS: 2020-06-12 11:05:52 -07:00
emulate.c KVM: PPC: Clean up redundant 'kvm_run' parameters 2020-05-27 11:39:31 +10:00
fpu.S mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00
irq.h
Kconfig RISCV: 2022-01-16 16:15:14 +02:00
Makefile KVM: powerpc: Use Makefile.kvm for common files 2021-12-09 13:06:01 -05:00
mpic.c KVM: Remove unnecessary asm/kvm_host.h includes 2020-03-16 17:57:34 +01:00
powerpc.c KVM: Rename kvm_vcpu_block() => kvm_vcpu_halt() 2021-12-08 04:24:51 -05:00
timing.c powerpc/kvm: no need to check return value of debugfs_create functions 2020-03-04 22:44:25 +11:00
timing.h KVM: Remove unnecessary asm/kvm_host.h includes 2020-03-16 17:57:34 +01:00
tm.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
trace_book3s.h KVM: PPC: Book3S: Simplify external interrupt handling 2018-10-09 16:04:27 +11:00
trace_booke.h KVM: Move arm64's MMU notifier trace events to generic code 2021-04-17 08:30:56 -04:00
trace_hv.h KVM: PPC: Fix typo on H_DISABLE_AND_GET hcall 2020-07-23 17:43:35 +10:00
trace_pr.h KVM: PPC: Move and undef TRACE_INCLUDE_PATH/FILE 2018-11-07 23:04:38 +11:00
trace.h KVM: PPC: Move and undef TRACE_INCLUDE_PATH/FILE 2018-11-07 23:04:38 +11:00