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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2017-12-18 12:57:43 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2017-12-18 12:57:43 +0100 |
| commit | 43aabca38aa9668eee3c3c1206207034614c0901 (patch) | |
| tree | 03029d7ed46fc14ffc598b75ac1536faef26a0d1 /arch/arm64/kvm/hyp/debug-sr.c | |
| parent | KVM: Fix stack-out-of-bounds read in write_mmio (diff) | |
| parent | KVM: arm/arm64: Fix timer enable flow (diff) | |
| download | linux-dev-43aabca38aa9668eee3c3c1206207034614c0901.tar.xz linux-dev-43aabca38aa9668eee3c3c1206207034614c0901.zip | |
Merge tag 'kvm-arm-fixes-for-v4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/ARM Fixes for v4.15, Round 2
Fixes:
- A bug in our handling of SPE state for non-vhe systems
- A bug that causes hyp unmapping to go off limits and crash the system on
shutdown
- Three timer fixes that were introduced as part of the timer optimizations
for v4.15
Diffstat (limited to 'arch/arm64/kvm/hyp/debug-sr.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/debug-sr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/debug-sr.c b/arch/arm64/kvm/hyp/debug-sr.c index 321c9c05dd9e..f4363d40e2cd 100644 --- a/arch/arm64/kvm/hyp/debug-sr.c +++ b/arch/arm64/kvm/hyp/debug-sr.c @@ -74,6 +74,9 @@ static void __hyp_text __debug_save_spe_nvhe(u64 *pmscr_el1) { u64 reg; + /* Clear pmscr in case of early return */ + *pmscr_el1 = 0; + /* SPE present on this CPU? */ if (!cpuid_feature_extract_unsigned_field(read_sysreg(id_aa64dfr0_el1), ID_AA64DFR0_PMSVER_SHIFT)) |