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Re: [Qemu-devel] [PATCH qom-cpu] cpu-exec: Optimize X86CPU usage in cpu_
From: |
Chen Fan |
Subject: |
Re: [Qemu-devel] [PATCH qom-cpu] cpu-exec: Optimize X86CPU usage in cpu_exec() |
Date: |
Tue, 24 Dec 2013 10:52:59 +0800 |
On Tue, 2013-12-24 at 03:38 +0100, Andreas Färber wrote:
> Replace growing numbers of inline x86_env_get_cpu() with x86_cpu variable.
>
> Signed-off-by: Andreas Färber <address@hidden>
> ---
> cpu-exec.c | 14 ++++++++++----
> 1 file changed, 10 insertions(+), 4 deletions(-)
>
> diff --git a/cpu-exec.c b/cpu-exec.c
> index 2711c58..f7a215c 100644
> --- a/cpu-exec.c
> +++ b/cpu-exec.c
> @@ -206,6 +206,9 @@ int cpu_exec(CPUArchState *env)
> (defined(TARGET_M68K) || defined(TARGET_PPC) || defined(TARGET_S390X)))
> CPUClass *cc = CPU_GET_CLASS(cpu);
> #endif
> +#ifdef TARGET_I386
> + X86CPU *x86_cpu = X86_CPU(cpu);
> +#endif
Hi, Andreas,
I think this defined grammar should correspond with other, of course
it's correct also.
> int ret, interrupt_request;
> TranslationBlock *tb;
> uint8_t *tc_ptr;
> @@ -320,24 +323,24 @@ int cpu_exec(CPUArchState *env)
> #if !defined(CONFIG_USER_ONLY)
> if (interrupt_request & CPU_INTERRUPT_POLL) {
> cpu->interrupt_request &= ~CPU_INTERRUPT_POLL;
> - apic_poll_irq(x86_env_get_cpu(env)->apic_state);
> + apic_poll_irq(x86_cpu->apic_state);
> }
> #endif
> if (interrupt_request & CPU_INTERRUPT_INIT) {
> cpu_svm_check_intercept_param(env, SVM_EXIT_INIT,
> 0);
> - do_cpu_init(x86_env_get_cpu(env));
> + do_cpu_init(x86_cpu);
> env->exception_index = EXCP_HALTED;
> cpu_loop_exit(env);
> } else if (interrupt_request & CPU_INTERRUPT_SIPI) {
> - do_cpu_sipi(x86_env_get_cpu(env));
> + do_cpu_sipi(x86_cpu);
> } else if (env->hflags2 & HF2_GIF_MASK) {
> if ((interrupt_request & CPU_INTERRUPT_SMI) &&
> !(env->hflags & HF_SMM_MASK)) {
> cpu_svm_check_intercept_param(env, SVM_EXIT_SMI,
> 0);
> cpu->interrupt_request &= ~CPU_INTERRUPT_SMI;
> - do_smm_enter(x86_env_get_cpu(env));
> + do_smm_enter(x86_cpu);
> next_tb = 0;
> } else if ((interrupt_request & CPU_INTERRUPT_NMI) &&
> !(env->hflags2 & HF2_NMI_MASK)) {
> @@ -685,6 +688,9 @@ int cpu_exec(CPUArchState *env)
> (defined(TARGET_M68K) || defined(TARGET_PPC) || defined(TARGET_S390X)))
> cc = CPU_GET_CLASS(cpu);
> #endif
> +#ifdef TARGET_I386
> + x86_cpu = X86_CPU(cpu);
> +#endif
> }
> } /* for(;;) */
>
Reviewed-by: Chen Fan <address@hidden>
Thanks.
Chen