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| author | Marc Zyngier <marc.zyngier@arm.com> | 2019-01-05 15:49:50 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2019-02-19 21:05:24 +0000 |
| commit | 7aa8d14641651a61a0b8892314a0bcfaceebe158 (patch) | |
| tree | 44c443a7129044ef782db30b345cdc1d2b440f57 /arch/arm64 | |
| parent | ee7930490a8f84570e96268f5736e99570b58307 (diff) | |
| download | linux-0-day-7aa8d14641651a61a0b8892314a0bcfaceebe158.tar.gz linux-0-day-7aa8d14641651a61a0b8892314a0bcfaceebe158.tar.xz | |
arm/arm64: KVM: Introduce kvm_call_hyp_ret()
Until now, we haven't differentiated between HYP calls that
have a return value and those who don't. As we're about to
change this, introduce kvm_call_hyp_ret(), and change all
call sites that actually make use of a return value.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/kvm_host.h | 1 | ||||
| -rw-r--r-- | arch/arm64/kvm/debug.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 7732d0ba4e603..e54cb7c88a4e8 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -371,6 +371,7 @@ void kvm_arm_resume_guest(struct kvm *kvm); u64 __kvm_call_hyp(void *hypfn, ...); #define kvm_call_hyp(f, ...) __kvm_call_hyp(kvm_ksym_ref(f), ##__VA_ARGS__) +#define kvm_call_hyp_ret(f, ...) kvm_call_hyp(f, ##__VA_ARGS__) void force_vm_exit(const cpumask_t *mask); void kvm_mmu_wp_memory_region(struct kvm *kvm, int slot); diff --git a/arch/arm64/kvm/debug.c b/arch/arm64/kvm/debug.c index f39801e4136cd..fd917d6d12afb 100644 --- a/arch/arm64/kvm/debug.c +++ b/arch/arm64/kvm/debug.c @@ -76,7 +76,7 @@ static void restore_guest_debug_regs(struct kvm_vcpu *vcpu) void kvm_arm_init_debug(void) { - __this_cpu_write(mdcr_el2, kvm_call_hyp(__kvm_get_mdcr_el2)); + __this_cpu_write(mdcr_el2, kvm_call_hyp_ret(__kvm_get_mdcr_el2)); } /** |