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[PULL 18/18] target/s390x: Exit tb after executing ex_value


From: Thomas Huth
Subject: [PULL 18/18] target/s390x: Exit tb after executing ex_value
Date: Thu, 7 Jul 2022 09:54:26 +0200

From: Richard Henderson <richard.henderson@linaro.org>

When EXECUTE sets ex_value to interrupt the constructed instruction,
we implicitly disable interrupts so that the value is not corrupted.
Exit to the main loop after execution, so that we re-evaluate any
pending interrupts.

Reported-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220702060228.420454-5-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 target/s390x/tcg/translate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c
index eac59c3dd1..e2ee005671 100644
--- a/target/s390x/tcg/translate.c
+++ b/target/s390x/tcg/translate.c
@@ -6593,7 +6593,7 @@ static void s390x_tr_init_disas_context(DisasContextBase 
*dcbase, CPUState *cs)
 
     dc->cc_op = CC_OP_DYNAMIC;
     dc->ex_value = dc->base.tb->cs_base;
-    dc->exit_to_mainloop = (dc->base.tb->flags & FLAG_MASK_PER);
+    dc->exit_to_mainloop = (dc->base.tb->flags & FLAG_MASK_PER) || 
dc->ex_value;
 }
 
 static void s390x_tr_tb_start(DisasContextBase *db, CPUState *cs)
-- 
2.31.1




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