[libvirt] [PATCH 1/9] target-i386: Move TCG initialization check to tcg_x86_init()
Igor Mammedov
imammedo at redhat.com
Tue May 10 14:58:31 UTC 2016
On Fri, 6 May 2016 15:11:24 -0300
Eduardo Habkost <ehabkost at redhat.com> wrote:
> Instead of requiring cpu.c to check if TCG was already initialized,
> simply let the function be called multiple times.
>
> Suggested-by: Igor Mammedov <imammedo at redhat.com>
> Signed-off-by: Eduardo Habkost <ehabkost at redhat.com>
Reviewed-by: Igor Mammedov <imammedo at redhat.com>
> ---
> target-i386/cpu.c | 4 +---
> target-i386/translate.c | 6 ++++++
> 2 files changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/target-i386/cpu.c b/target-i386/cpu.c
> index 4856cd4..a689fec 100644
> --- a/target-i386/cpu.c
> +++ b/target-i386/cpu.c
> @@ -3087,7 +3087,6 @@ static void x86_cpu_initfn(Object *obj)
> X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
> CPUX86State *env = &cpu->env;
> FeatureWord w;
> - static int inited;
>
> cs->env_ptr = env;
> cpu_exec_init(cs, &error_abort);
> @@ -3138,8 +3137,7 @@ static void x86_cpu_initfn(Object *obj)
> x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort);
>
> /* init various static tables used in TCG mode */
> - if (tcg_enabled() && !inited) {
> - inited = 1;
> + if (tcg_enabled()) {
> tcg_x86_init();
> }
> }
> diff --git a/target-i386/translate.c b/target-i386/translate.c
> index 1a1214d..92570b4 100644
> --- a/target-i386/translate.c
> +++ b/target-i386/translate.c
> @@ -8133,6 +8133,12 @@ void tcg_x86_init(void)
> "bnd0_ub", "bnd1_ub", "bnd2_ub", "bnd3_ub"
> };
> int i;
> + static bool initialized = false;
> +
> + if (initialized) {
> + return;
> + }
> + initialized = true;
>
> cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
> cpu_cc_op = tcg_global_mem_new_i32(cpu_env,
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