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Re: [Qemu-devel] [PATCH 1/4] clean up env->current_tb


From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH 1/4] clean up env->current_tb
Date: Tue, 19 Jan 2010 16:40:14 -0600
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-4.fc12 Lightning/1.0pre Thunderbird/3.0

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<address@hidden>

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





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