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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-06-22 11:03:09 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-06-22 11:03:09 -0700 |
commit | 3f7ba7e13e70bbcba1af568dc105c1a4243b33c7 (patch) | |
tree | 91c46e6df39ce5ba518a2f72ba987ec43a6daf63 /arch/mips/kvm/tlb.c | |
parent | 4f92f0e25a48212ae06e0761504ee0c9c23776ee (diff) | |
parent | c8401dda2f0a00cd25c0af6a95ed50e478d25de4 (diff) |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"MIPS:
- Fix build with KVM, DYNAMIC_DEBUG and JUMP_LABEL.
PPC:
- Fix host crashes/hangs on POWER9.
- Properly restore userspace state after KVM_RUN ioctl.
s390:
- Fix address translation in odd-ball cases (real-space designation
ASCEs).
x86:
- Fix privilege escalation in 64-bit Windows guests
All patches are for stable and the x86 also has a CVE"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: fix singlestepping over syscall
KVM: s390: gaccess: fix real-space designation asce handling for gmap shadows
KVM: MIPS: Fix maybe-uninitialized build failure
KVM: PPC: Book3S HV: Ignore timebase offset on POWER9 DD1
KVM: PPC: Book3S HV: Save/restore host values of debug registers
KVM: PPC: Book3S HV: Preserve userspace HTM state properly
KVM: PPC: Book3S HV: Restore critical SPRs to host values on guest exit
KVM: PPC: Book3S HV: Context-switch EBB registers properly
KVM: PPC: Book3S HV: Cope with host using large decrementer mode
Diffstat (limited to 'arch/mips/kvm/tlb.c')
-rw-r--r-- | arch/mips/kvm/tlb.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index 7c6336dd2638..7cd92166a0b9 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -166,7 +166,11 @@ static int _kvm_mips_host_tlb_inv(unsigned long entryhi) int kvm_mips_host_tlb_inv(struct kvm_vcpu *vcpu, unsigned long va, bool user, bool kernel) { - int idx_user, idx_kernel; + /* + * Initialize idx_user and idx_kernel to workaround bogus + * maybe-initialized warning when using GCC 6. + */ + int idx_user = 0, idx_kernel = 0; unsigned long flags, old_entryhi; local_irq_save(flags); |