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authorRichard Henderson <richard.henderson@linaro.org>2022-11-17 19:15:31 -0800
committerRichard Henderson <richard.henderson@linaro.org>2023-01-04 16:20:01 -0800
commitb3eb5b861a9ad5d885c15760cc3570fa3678b836 (patch)
treec253809afa06ecdf8089433e4a77a3b9efd9df26
parent03ac0a0cfdfd8dd0708c2fb1fdec09319c1add3c (diff)
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target/riscv: Use QEMU_IOTHREAD_LOCK_GUARD in riscv_cpu_update_mip
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--target/riscv/cpu_helper.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c
index 278d163..241d06b 100644
--- a/target/riscv/cpu_helper.c
+++ b/target/riscv/cpu_helper.c
@@ -610,7 +610,6 @@ uint64_t riscv_cpu_update_mip(RISCVCPU *cpu, uint64_t mask, uint64_t value)
CPURISCVState *env = &cpu->env;
CPUState *cs = CPU(cpu);
uint64_t gein, vsgein = 0, vstip = 0, old = env->mip;
- bool locked = false;
if (riscv_cpu_virt_enabled(env)) {
gein = get_field(env->hstatus, HSTATUS_VGEIN);
@@ -621,10 +620,7 @@ uint64_t riscv_cpu_update_mip(RISCVCPU *cpu, uint64_t mask, uint64_t value)
mask = ((mask == MIP_VSTIP) && env->vstime_irq) ? 0 : mask;
vstip = env->vstime_irq ? MIP_VSTIP : 0;
- if (!qemu_mutex_iothread_locked()) {
- locked = true;
- qemu_mutex_lock_iothread();
- }
+ QEMU_IOTHREAD_LOCK_GUARD();
env->mip = (env->mip & ~mask) | (value & mask);
@@ -634,10 +630,6 @@ uint64_t riscv_cpu_update_mip(RISCVCPU *cpu, uint64_t mask, uint64_t value)
cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD);
}
- if (locked) {
- qemu_mutex_unlock_iothread();
- }
-
return old;
}