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| author | Linux Build Service Account <lnxbuild@localhost> | 2019-09-13 07:57:17 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2019-09-13 07:57:17 -0700 |
| commit | cec46a59f3cc035d44348ffb866aa5d2026f907f (patch) | |
| tree | 7d349c3c8302a15ecd45710daa69846dcd79e41b /arch/arm | |
| parent | f97511b3d6ffdd7b90fab0f25e79b1df5c8b9be2 (diff) | |
| parent | 79fcbddd736bfcc606ccf4555d0879af3b20da26 (diff) | |
Merge "Merge android-4.4.192 (da6d147) into msm-4.4"
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kvm/mmio.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c index ae61e2ea7255..d2efc033ef8b 100644 --- a/arch/arm/kvm/mmio.c +++ b/arch/arm/kvm/mmio.c @@ -98,6 +98,12 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run) unsigned int len; int mask; + /* Detect an already handled MMIO return */ + if (unlikely(!vcpu->mmio_needed)) + return 0; + + vcpu->mmio_needed = 0; + if (!run->mmio.is_write) { len = run->mmio.len; if (len > sizeof(unsigned long)) @@ -206,6 +212,7 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run, run->mmio.is_write = is_write; run->mmio.phys_addr = fault_ipa; run->mmio.len = len; + vcpu->mmio_needed = 1; if (!ret) { /* We handled the access successfully in the kernel. */ |