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[Qemu-devel] [PATCH] target-nios2: take BQL around interrupt check
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH] target-nios2: take BQL around interrupt check |
Date: |
Fri, 3 Mar 2017 13:03:08 +0100 |
The interrupt controller does not have its own locking.
Signed-off-by: Paolo Bonzini <address@hidden>
---
target/nios2/op_helper.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target/nios2/op_helper.c b/target/nios2/op_helper.c
index 538853c..efb1c48 100644
--- a/target/nios2/op_helper.c
+++ b/target/nios2/op_helper.c
@@ -21,6 +21,7 @@
#include "cpu.h"
#include "exec/helper-proto.h"
#include "exec/cpu_ldst.h"
+#include "qemu/main-loop.h"
#if !defined(CONFIG_USER_ONLY)
void helper_mmu_read_debug(CPUNios2State *env, uint32_t rn)
@@ -35,7 +36,9 @@ void helper_mmu_write(CPUNios2State *env, uint32_t rn,
uint32_t v)
void helper_check_interrupts(CPUNios2State *env)
{
+ qemu_mutex_lock_iothread();
nios2_check_interrupts(env);
+ qemu_mutex_unlock_iothread();
}
#endif /* !CONFIG_USER_ONLY */
--
2.9.3
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