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[v8,1/9] replay: exception replay fix

Message ID 20170126123418.5412.33815.stgit@PASHA-ISP (mailing list archive)
State New, archived
Headers show

Commit Message

Pavel Dovgalyuk Jan. 26, 2017, 12:34 p.m. UTC 
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 <pavel.dovgaluk@ispras.ru>
---
 translate-all.c |    3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/translate-all.c b/translate-all.c
index 2026293..abce8f1 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -1290,6 +1290,9 @@  TranslationBlock *tb_gen_code(CPUState *cpu,
         /* flush must be done */
         tb_flush(cpu);
         mmap_unlock();
+        /* Set exception index to make sure that the execution loop
+           will exit and go to flushing and other queued work. */
+        cpu->exception_index = EXCP_INTERRUPT;
         cpu_loop_exit(cpu);
     }