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From: Anthony Liguori <anthony@codemonkey.ws>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 1/4] clean up env->current_tb
Date: Tue, 19 Jan 2010 16:40:14 -0600	[thread overview]
Message-ID: <4B5634CE.4080304@codemonkey.ws> (raw)
In-Reply-To: <1263544930-18620-2-git-send-email-pbonzini@redhat.com>

On 01/15/2010 02:42 AM, Paolo Bonzini wrote:
> There are three paths from the innermost while loop of cpu_exec
> to the top of the outermost for loop.  Two do not reset
> env->current_tb.  Fix this.
>
> Signed-off-by: Paolo Bonzini<pbonzini@redhat.com>
>    

Applied.  Thanks.

Regards,

Anthony Liguori
> ---
>   cpu-exec.c |    2 ++
>   1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/cpu-exec.c b/cpu-exec.c
> index 6f6ed14..9128df9 100644
> --- a/cpu-exec.c
> +++ b/cpu-exec.c
> @@ -56,6 +56,7 @@ int qemu_cpu_has_work(CPUState *env)
>
>   void cpu_loop_exit(void)
>   {
> +    env->current_tb = NULL;
>       longjmp(env->jmp_env, 1);
>   }
>
> @@ -107,6 +108,7 @@ static void cpu_exec_nocache(int max_cycles, TranslationBlock *orig_tb)
>       env->current_tb = tb;
>       /* execute the generated code */
>       next_tb = tcg_qemu_tb_exec(tb->tc_ptr);
> +    env->current_tb = NULL;
>
>       if ((next_tb&  3) == 2) {
>           /* Restore PC.  This may happen if async event occurs before
>    

  reply	other threads:[~2010-01-19 22:40 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-15  8:42 [Qemu-devel] [PATCH 0/4] Clean up cpu_exec part 2/n Paolo Bonzini
2010-01-15  8:42 ` [Qemu-devel] [PATCH 1/4] clean up env->current_tb Paolo Bonzini
2010-01-19 22:40   ` Anthony Liguori [this message]
2010-01-15  8:42 ` [Qemu-devel] [PATCH 2/4] add assertions about env->current_tb Paolo Bonzini
2010-01-15  8:42 ` [Qemu-devel] [PATCH 3/4] change while to if Paolo Bonzini
2010-01-15  8:42 ` [Qemu-devel] [PATCH 4/4] remove assertions Paolo Bonzini

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