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| author | Fuad Tabba <tabba@google.com> | 2024-04-23 16:05:22 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2024-05-01 16:48:14 +0100 |
| commit | cc81b6dfc3bc82c3a2600eefbd3823bdb2190197 (patch) | |
| tree | 472fa0c093bbf391e0c5c8babed25c668adfbbb1 /arch/arm64/kvm | |
| parent | 40458a66afdeef42966203939c5ac6c480c99a5a (diff) | |
| download | linux-stable-cc81b6dfc3bc82c3a2600eefbd3823bdb2190197.tar.gz linux-stable-cc81b6dfc3bc82c3a2600eefbd3823bdb2190197.tar.bz2 linux-stable-cc81b6dfc3bc82c3a2600eefbd3823bdb2190197.zip | |
KVM: arm64: Change kvm_handle_mmio_return() return polarity
Most exit handlers return <= 0 to indicate that the host needs to
handle the exit. Make kvm_handle_mmio_return() consistent with
the exit handlers in handle_exit(). This makes the code easier to
reason about, and makes it easier to add other handlers in future
patches.
No functional change intended.
Signed-off-by: Fuad Tabba <tabba@google.com>
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240423150538.2103045-15-tabba@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/arm.c | 2 | ||||
| -rw-r--r-- | arch/arm64/kvm/mmio.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 66d8112da268..7f87fbb452c5 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -974,7 +974,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) if (run->exit_reason == KVM_EXIT_MMIO) { ret = kvm_handle_mmio_return(vcpu); - if (ret) + if (ret <= 0) return ret; } diff --git a/arch/arm64/kvm/mmio.c b/arch/arm64/kvm/mmio.c index 200c8019a82a..5e1ffb0d5363 100644 --- a/arch/arm64/kvm/mmio.c +++ b/arch/arm64/kvm/mmio.c @@ -86,7 +86,7 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu) /* Detect an already handled MMIO return */ if (unlikely(!vcpu->mmio_needed)) - return 0; + return 1; vcpu->mmio_needed = 0; @@ -117,7 +117,7 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu) */ kvm_incr_pc(vcpu); - return 0; + return 1; } int io_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa) |