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22f7ff0dea
linux/arch/powerpc
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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
..
boot RTC for 5.17 2022-01-21 13:13:35 +02:00
configs RTC for 5.17 2022-01-21 13:13:35 +02:00
crypto powerpc updates for 5.17 2022-01-14 15:17:26 +01:00
include KVM: PPC: Book3S HV Nested: Fix nested HFSCR being clobbered with multiple vCPUs 2022-01-25 16:39:41 +11:00
kernel powerpc fixes for 5.17 #2 2022-01-23 17:52:42 +02:00
kexec powerpc/kernel: Add __init attribute to eligible functions 2021-12-23 22:33:10 +11:00
kvm KVM: PPC: Book3S HV Nested: Fix nested HFSCR being clobbered with multiple vCPUs 2022-01-25 16:39:41 +11:00
lib powerpc/32: Fix boot failure with GCC latent entropy plugin 2021-12-23 22:36:58 +11:00
math-emu powerpc/64s: avoid reloading (H)SRR registers if they are still valid 2021-06-25 00:06:55 +10:00
mm powerpc/fixmap: Fix VM debug warning on unmap 2022-01-24 17:29:05 +11:00
net powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06 2022-01-15 12:21:25 +11:00
perf powerpc/perf: Fix power_pmu_disable to call clear_pmi_irq_pending only if PMI is pending 2022-01-24 17:31:15 +11:00
platforms bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
purgatory powerpc/kexec: Don't use .machine ppc64 in trampoline_64.S 2021-04-08 21:17:43 +10:00
sysdev powerpc updates for 5.17 2022-01-14 15:17:26 +01:00
tools powerpc/head_check: Fix shellcheck errors 2021-08-17 22:52:02 +10:00
xmon powerpc/xmon: Dump XIVE information for online-only processors. 2022-01-06 21:47:00 +11:00
Kbuild kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
Kconfig Merge branch 'akpm' (patches from Andrew) 2022-01-20 10:41:01 +02:00
Kconfig.debug powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP 2021-08-25 13:35:48 +10:00
Makefile powerpc: check for support for -Wa,-m{power4,any} 2021-12-23 22:35:12 +11:00
Makefile.postlink