From: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> Provide arch-independent kvm_on_sigbus* stubs to remove the #ifdef'ery from cpus.c. This patch also fixes --disable-kvm build by providing the missing kvm_on_sigbus_vcpu kvm-stub. Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx> CC: Huang Ying <ying.huang@xxxxxxxxx> CC: Alexander Graf <agraf@xxxxxxx> --- cpus.c | 10 ++++------ kvm-all.c | 10 ++++++++++ kvm-stub.c | 5 +++++ kvm.h | 7 +++++-- target-i386/kvm.c | 4 ++-- target-ppc/kvm.c | 10 ++++++++++ target-s390x/kvm.c | 10 ++++++++++ 7 files changed, 46 insertions(+), 10 deletions(-) diff --git a/cpus.c b/cpus.c index 8af53a9..081ac30 100644 --- a/cpus.c +++ b/cpus.c @@ -527,10 +527,9 @@ static void sigbus_reraise(void) static void sigbus_handler(int n, struct qemu_signalfd_siginfo *siginfo, void *ctx) { -#if defined(TARGET_I386) - if (kvm_on_sigbus(siginfo->ssi_code, (void *)(intptr_t)siginfo->ssi_addr)) -#endif + if (kvm_on_sigbus(siginfo->ssi_code, (void *)(intptr_t)siginfo->ssi_addr)) { sigbus_reraise(); + } } static void qemu_kvm_eat_signal(CPUState *env, int timeout) @@ -563,10 +562,9 @@ static void qemu_kvm_eat_signal(CPUState *env, int timeout) switch (r) { case SIGBUS: -#ifdef TARGET_I386 - if (kvm_on_sigbus_vcpu(env, siginfo.si_code, siginfo.si_addr)) -#endif + if (kvm_on_sigbus_vcpu(env, siginfo.si_code, siginfo.si_addr)) { sigbus_reraise(); + } break; default: break; diff --git a/kvm-all.c b/kvm-all.c index 4ab5f5c..a8e9f2c 100644 --- a/kvm-all.c +++ b/kvm-all.c @@ -1284,3 +1284,13 @@ int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign) return -ENOSYS; #endif } + +int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr) +{ + return kvm_on_sigbus_vcpu(env, code, addr); +} + +int kvm_on_sigbus(int code, void *addr) +{ + return kvm_on_sigbus(code, addr); +} diff --git a/kvm-stub.c b/kvm-stub.c index 1fcfc1e..572380c 100644 --- a/kvm-stub.c +++ b/kvm-stub.c @@ -142,6 +142,11 @@ int kvm_set_ioeventfd_mmio_long(int fd, uint32_t adr, uint32_t val, bool assign) return -ENOSYS; } +int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr) +{ + return 1; +} + int kvm_on_sigbus(int code, void *addr) { return 1; diff --git a/kvm.h b/kvm.h index 7bf9cc8..0a4db28 100644 --- a/kvm.h +++ b/kvm.h @@ -80,6 +80,9 @@ int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset); int kvm_pit_in_kernel(void); int kvm_irqchip_in_kernel(void); +int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr); +int kvm_on_sigbus(int code, void *addr); + /* internal API */ int kvm_ioctl(int type, ...); @@ -117,8 +120,8 @@ int kvm_arch_init_vcpu(CPUState *env); void kvm_arch_reset_vcpu(CPUState *env); -int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr); -int kvm_on_sigbus(int code, void *addr); +int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr); +int kvm_arch_on_sigbus(int code, void *addr); struct kvm_guest_debug; struct kvm_debug_exit_arch; diff --git a/target-i386/kvm.c b/target-i386/kvm.c index af79526..a7acd53 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -1918,7 +1918,7 @@ static void kvm_mce_inj_srao_memscrub2(CPUState *env, target_phys_addr_t paddr) #endif -int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr) +int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr) { #if defined(KVM_CAP_MCE) void *vaddr; @@ -1968,7 +1968,7 @@ int kvm_on_sigbus_vcpu(CPUState *env, int code, void *addr) return 0; } -int kvm_on_sigbus(int code, void *addr) +int kvm_arch_on_sigbus(int code, void *addr) { #if defined(KVM_CAP_MCE) if ((first_cpu->mcg_cap & MCG_SER_P) && addr && code == BUS_MCEERR_AO) { diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index 7918426..8349045 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -404,3 +404,13 @@ bool kvm_arch_stop_on_emulation_error(CPUState *env) { return true; } + +int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr) +{ + return 1; +} + +int kvm_arch_on_sigbus(int code, void *addr) +{ + return 1; +} diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 29fcd46..b7f644b 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -501,3 +501,13 @@ bool kvm_arch_stop_on_emulation_error(CPUState *env) { return true; } + +int kvm_arch_on_sigbus_vcpu(CPUState *env, int code, void *addr) +{ + return 1; +} + +int kvm_arch_on_sigbus(int code, void *addr) +{ + return 1; +} -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html