From c52a6b67c1d7c6fc9fb2e3ba988d7b978e1487d3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@suse.de>
Date: Fri, 17 May 2013 17:49:10 +0200
Subject: [PATCH] gdbstub: Simplify find_cpu()
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Use qemu_get_cpu() and CPUState::env_ptr.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 gdbstub.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/gdbstub.c b/gdbstub.c
index 94c78ced56..9ffb376eb4 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -2071,17 +2071,13 @@ static void gdb_set_cpu_pc(GDBState *s, target_ulong pc)
 
 static CPUArchState *find_cpu(uint32_t thread_id)
 {
-    CPUArchState *env;
     CPUState *cpu;
 
-    for (env = first_cpu; env != NULL; env = env->next_cpu) {
-        cpu = ENV_GET_CPU(env);
-        if (cpu_index(cpu) == thread_id) {
-            return env;
-        }
+    cpu = qemu_get_cpu(thread_id);
+    if (cpu == NULL) {
+        return NULL;
     }
-
-    return NULL;
+    return cpu->env_ptr;
 }
 
 static int gdb_handle_packet(GDBState *s, const char *line_buf)