Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

[mirror_qemu.git] / accel / tcg / cpu-exec.c

diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 032a62672e92f52a88b000870270d4cc0b5ba03d..62068d10c3c0f5d9188e9bbf601daaad12683cd7 100644 (file)
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -16,7 +16,9 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
+
 #include "qemu/osdep.h"
+#include "qemu-common.h"
 #include "cpu.h"
 #include "trace.h"
 #include "disas/disas.h"
@@ -154,7 +156,7 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, TranslationBlock *itb)
 #if defined(DEBUG_DISAS)
     if (qemu_loglevel_mask(CPU_LOG_TB_CPU)
         && qemu_log_in_addr_range(itb->pc)) {
-        qemu_log_lock();
+        FILE *logfile = qemu_log_lock();
         int flags = 0;
         if (qemu_loglevel_mask(CPU_LOG_TB_FPU)) {
             flags |= CPU_DUMP_FPU;
@@ -163,11 +165,10 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, TranslationBlock *itb)
         flags |= CPU_DUMP_CCOP;
 #endif
         log_cpu_state(cpu, flags);
-        qemu_log_unlock();
+        qemu_log_unlock(logfile);
     }
 #endif /* DEBUG_DISAS */
 
-    cpu->can_do_io = !use_icount;
     ret = tcg_qemu_tb_exec(env, tb_ptr);
     cpu->can_do_io = 1;
     last_tb = (TranslationBlock *)(ret & ~TB_EXIT_MASK);
@@ -237,8 +238,6 @@ void cpu_exec_step_atomic(CPUState *cpu)
     uint32_t flags;
     uint32_t cflags = 1;
     uint32_t cf_mask = cflags & CF_HASH_MASK;
-    /* volatile because we modify it between setjmp and longjmp */
-    volatile bool in_exclusive_region = false;
 
     if (sigsetjmp(cpu->jmp_env, 0) == 0) {
         tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, cf_mask);
@@ -252,7 +251,6 @@ void cpu_exec_step_atomic(CPUState *cpu)
 
         /* Since we got here, we know that parallel_cpus must be true.  */
         parallel_cpus = false;
-        in_exclusive_region = true;
         cc->cpu_exec_enter(cpu);
         /* execute the generated code */
         trace_exec_tb(tb, pc);
@@ -270,9 +268,10 @@ void cpu_exec_step_atomic(CPUState *cpu)
             qemu_mutex_unlock_iothread();
         }
         assert_no_pages_locked();
+        qemu_plugin_disable_mem_helpers(cpu);
     }
 
-    if (in_exclusive_region) {
+    if (cpu_in_exclusive_context(cpu)) {
         /* We might longjump out of either the codegen or the
          * execution, so must make sure we only end the exclusive
          * region if we started it.
@@ -703,6 +702,8 @@ int cpu_exec(CPUState *cpu)
         if (qemu_mutex_iothread_locked()) {
             qemu_mutex_unlock_iothread();
         }
+        qemu_plugin_disable_mem_helpers(cpu);
+
         assert_no_pages_locked();
     }