File 0022-fixing-smp-races.patch of Package qemu

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File 0022-fixing-smp-races.patch of Package qemu (Revision 2a0e680050f9a27a48451cd96b748db4)

Currently displaying revision 2a0e680050f9a27a48451cd96b748db4 , Show latest

From: Alexander Graf <agraf@suse.de>

fixes some SMP races
---
 cpu-all.h |    2 +-
 exec.c    |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Index: qemu-0.14.1/cpu-all.h
===================================================================
--- qemu-0.14.1.orig/cpu-all.h
+++ qemu-0.14.1/cpu-all.h
@@ -775,7 +775,7 @@ void cpu_dump_statistics(CPUState *env,
 void QEMU_NORETURN cpu_abort(CPUState *env, const char *fmt, ...)
     GCC_FMT_ATTR(2, 3);
 extern CPUState *first_cpu;
-extern CPUState *cpu_single_env;
+extern __thread CPUState *cpu_single_env;
 
 #define CPU_INTERRUPT_HARD   0x02 /* hardware interrupt pending */
 #define CPU_INTERRUPT_EXITTB 0x04 /* exit the current TB (use for x86 a20 case) */
Index: qemu-0.14.1/exec.c
===================================================================
--- qemu-0.14.1.orig/exec.c
+++ qemu-0.14.1/exec.c
@@ -112,7 +112,7 @@ RAMList ram_list = { .blocks = QLIST_HEA
 CPUState *first_cpu;
 /* current CPU in the current thread. It is only valid inside
    cpu_exec() */
-CPUState *cpu_single_env;
+__thread CPUState *cpu_single_env;
 /* 0 = Do not count executed instructions.
    1 = Precise instruction counting.
    2 = Adaptive rate instruction counting.  */

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File 0022-fixing-smp-races.patch of Package qemu (Revision 2a0e680050f9a27a48451cd96b748db4)

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