[qemu-s390x] [PATCH 23/35] target/s390x: access cpu->interrupt_request with atomics

[Emilio G. Cota]

From: Paolo Bonzini <address@hidden>

Cc: Cornelia Huck <address@hidden>
Cc: Christian Borntraeger <address@hidden>
Cc: Alexander Graf <address@hidden>
Cc: Richard Henderson <address@hidden>
Cc: David Hildenbrand <address@hidden>
Cc: address@hidden
Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Emilio G. Cota <address@hidden>
---
 hw/intc/s390_flic.c | 2 +-
 target/s390x/cpu.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/hw/intc/s390_flic.c b/hw/intc/s390_flic.c
index 5f8168f0f0..bce07c8a1e 100644
--- a/hw/intc/s390_flic.c
+++ b/hw/intc/s390_flic.c
@@ -189,7 +189,7 @@ static void qemu_s390_flic_notify(uint32_t type)
     CPU_FOREACH(cs) {
         S390CPU *cpu = S390_CPU(cs);
 
-        cs->interrupt_request |= CPU_INTERRUPT_HARD;
+        atomic_or(&cs->interrupt_request, CPU_INTERRUPT_HARD);
 
         /* ignore CPUs that are not sleeping */
         if (s390_cpu_get_state(cpu) != S390_CPU_STATE_OPERATING &&
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index 8ed4823d6e..d4c93abc29 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -65,7 +65,7 @@ static bool s390_cpu_has_work(CPUState *cs)
         return false;
     }
 
-    if (!(cs->interrupt_request & CPU_INTERRUPT_HARD)) {
+    if (!(atomic_read(&cs->interrupt_request) & CPU_INTERRUPT_HARD)) {
         return false;
     }
 
-- 
2.17.1