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[Qemu-devel] [PULL 06/41] replay: exception replay fix


From: Paolo Bonzini
Subject: [Qemu-devel] [PULL 06/41] replay: exception replay fix
Date: Fri, 27 Jan 2017 14:45:14 +0100

From: Pavel Dovgalyuk <address@hidden>

This patch fixes replaying the exception when TB cache is full.
It breaks cpu loop execution through setting exception_index
to process such queued work as TB flush.

v8: moved setting of exeption_index to tb_gen_code

Signed-off-by: Pavel Dovgalyuk <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
 translate-all.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/translate-all.c b/translate-all.c
index 2026293..6d2fcab 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -1290,6 +1290,8 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
         /* flush must be done */
         tb_flush(cpu);
         mmap_unlock();
+        /* Make the execution loop process the flush as soon as possible.  */
+        cpu->exception_index = EXCP_INTERRUPT;
         cpu_loop_exit(cpu);
     }
 
-- 
1.8.3.1





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