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| author | Andreas Färber <afaerber@suse.de> | 2012-05-09 23:15:32 +0200 |
|---|---|---|
| committer | Andreas Färber <afaerber@suse.de> | 2012-05-12 14:17:52 +0200 |
| commit | 7a05995361a7b4376dffb3c7f04a95644251d29f (patch) | |
| tree | d83374f1546c1d1b32c4463cc05d37704664b7f8 | |
| parent | 0466e458dee22d8990aeae2b328cab6a2028e653 (diff) | |
| download | qemu-7a05995361a7b4376dffb3c7f04a95644251d29f.tar.gz | |
target-i386: Defer MCE init
Commit de024815e3b523addf58f1f79846b7fe74643678 (target-i386: QOM'ify
CPU init) moved mce_init() call from helper.c:cpu_x86_init() into
X86CPU's cpu.c:x86_cpu_initfn().
mce_init() checks for a family >= 6 though, so we could end up with a
sequence such as for -cpu somecpu,family=6:
x86_cpu_initfn => X86CPU::family == 5
mce_init => no-op
cpu_x86_register => X86CPU::family = 6
=> MCE unexpectedly not init'ed
or for -cpu someothercpu,family=5:
x86_cpu_initfn => X86CPU::family == 6
mce_init => init'ed
cpu_x86_register => X86CPU::family = 5
=> MCE unexpectedly init'ed
Therefore partially revert the above commit. To avoid moving
mce_init() back into helper.c, foresightedly move it into a
new x86_cpu_realize() function and, in lack of ObjectClass::realize,
call it directly from cpu_x86_init().
While at it, move the qemu_init_vcpu() call that used to follow
mce_init() in cpu_x86_init() into the new realizefn as well.
Reported-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
| -rw-r--r-- | target-i386/cpu-qom.h | 4 | ||||
| -rw-r--r-- | target-i386/cpu.c | 9 | ||||
| -rw-r--r-- | target-i386/helper.c | 2 |
3 files changed, 13 insertions, 2 deletions
diff --git a/target-i386/cpu-qom.h b/target-i386/cpu-qom.h index 40635c4b1c..5901140480 100644 --- a/target-i386/cpu-qom.h +++ b/target-i386/cpu-qom.h @@ -22,6 +22,7 @@ #include "qemu/cpu.h" #include "cpu.h" +#include "error.h" #ifdef TARGET_X86_64 #define TYPE_X86_CPU "x86_64-cpu" @@ -71,5 +72,8 @@ static inline X86CPU *x86_env_get_cpu(CPUX86State *env) #define ENV_GET_CPU(e) CPU(x86_env_get_cpu(e)) +/* TODO Drop once ObjectClass::realize is available */ +void x86_cpu_realize(Object *obj, Error **errp); + #endif diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 65d9af6ac7..89b4ac7ec5 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -1722,6 +1722,14 @@ static void mce_init(X86CPU *cpu) } } +void x86_cpu_realize(Object *obj, Error **errp) +{ + X86CPU *cpu = X86_CPU(obj); + + mce_init(cpu); + qemu_init_vcpu(&cpu->env); +} + static void x86_cpu_initfn(Object *obj) { X86CPU *cpu = X86_CPU(obj); @@ -1755,7 +1763,6 @@ static void x86_cpu_initfn(Object *obj) x86_cpuid_set_tsc_freq, NULL, NULL, NULL); env->cpuid_apic_id = env->cpu_index; - mce_init(cpu); } static void x86_cpu_common_class_init(ObjectClass *oc, void *data) diff --git a/target-i386/helper.c b/target-i386/helper.c index 0b22582ed6..3421be2276 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -1181,7 +1181,7 @@ CPUX86State *cpu_x86_init(const char *cpu_model) return NULL; } - qemu_init_vcpu(env); + x86_cpu_realize(OBJECT(cpu), NULL); return env; } |