[Qemu-devel] [PULL 07/16] target/arm64: hold BQL when calling do_interrupt()

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[Qemu-devel] [PULL 07/16] target/arm64: hold BQL when calling do_interrupt()
Posted by Peter Maydell 6 years, 6 months ago
From: Alex Bennée <alex.bennee@linaro.org>

Fix the assertion failure when running interrupts.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181109152119.9242-3-alex.bennee@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/kvm64.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c
index 6351a54b287..c39150e5e18 100644
--- a/target/arm/kvm64.c
+++ b/target/arm/kvm64.c
@@ -1000,7 +1000,9 @@ bool kvm_arm_handle_debug(CPUState *cs, struct kvm_debug_exit_arch *debug_exit)
     cs->exception_index = EXCP_BKPT;
     env->exception.syndrome = debug_exit->hsr;
     env->exception.vaddress = debug_exit->far;
+    qemu_mutex_lock_iothread();
     cc->do_interrupt(cs);
+    qemu_mutex_unlock_iothread();
 
     return false;
 }
-- 
2.19.1