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>
CC: Paolo Bonzini<pbonzini@xxxxxxxxxx>
---
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 f89826a..ce40e67 100644
--- a/cpus.c
+++ b/cpus.c
@@ -542,10 +542,9 @@ 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)
@@ -578,10 +577,9 @@ 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 1a55a10..5bfa8c0 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1362,3 +1362,13 @@ 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_arch_on_sigbus_vcpu(env, code, addr);
+}
+
+int kvm_on_sigbus(int code, void *addr)
+{
+ return kvm_arch_on_sigbus(code, addr);
+}
diff --git a/kvm-stub.c b/kvm-stub.c
index 88682f2..d6b6c8e 100644
--- a/kvm-stub.c
+++ b/kvm-stub.c
@@ -147,6 +147,11 @@ 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 ca57517..b2fb5c6 100644
--- a/kvm.h
+++ b/kvm.h
@@ -81,6 +81,9 @@ 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 */
struct KVMState;
@@ -121,8 +124,8 @@ 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 8e8880a..dd2cadc 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -1837,7 +1837,7 @@ 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;
@@ -1887,7 +1887,7 @@ 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 710eca1..93ecc57 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 38823f5..1702c46 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -505,3 +505,13 @@ 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;
+}
