diff mbox series

[RFC,v5,10/24] target/arm/arm-powertctl: drop BQL assertions

Message ID 20180123085415.3419.37058.stgit@pasha-VirtualBox
State New
Headers show
Series None | expand

Commit Message

Pavel Dovgalyuk Jan. 23, 2018, 8:54 a.m. UTC 
From: Alex Bennée <alex.bennee@linaro.org>


The powerctl code is run in the context of the vCPU changing power
state. It does not need the BQL to protect its changes.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

---
 target/arm/arm-powerctl.c |    8 --------
 1 file changed, 8 deletions(-)
diff mbox series

Patch

diff --git a/target/arm/arm-powerctl.c b/target/arm/arm-powerctl.c
index 25207cb..9661a59 100644
--- a/target/arm/arm-powerctl.c
+++ b/target/arm/arm-powerctl.c
@@ -124,7 +124,6 @@  static void arm_set_cpu_on_async_work(CPUState *target_cpu_state,
     g_free(info);
 
     /* Finally set the power status */
-    assert(qemu_mutex_iothread_locked());
     target_cpu->power_state = PSCI_ON;
 }
 
@@ -135,8 +134,6 @@  int arm_set_cpu_on(uint64_t cpuid, uint64_t entry, uint64_t context_id,
     ARMCPU *target_cpu;
     struct CpuOnInfo *info;
 
-    assert(qemu_mutex_iothread_locked());
-
     DPRINTF("cpu %" PRId64 " (EL %d, %s) @ 0x%" PRIx64 " with R0 = 0x%" PRIx64
             "\n", cpuid, target_el, target_aa64 ? "aarch64" : "aarch32", entry,
             context_id);
@@ -227,7 +224,6 @@  static void arm_set_cpu_off_async_work(CPUState *target_cpu_state,
 {
     ARMCPU *target_cpu = ARM_CPU(target_cpu_state);
 
-    assert(qemu_mutex_iothread_locked());
     target_cpu->power_state = PSCI_OFF;
     target_cpu_state->halted = 1;
     target_cpu_state->exception_index = EXCP_HLT;
@@ -238,8 +234,6 @@  int arm_set_cpu_off(uint64_t cpuid)
     CPUState *target_cpu_state;
     ARMCPU *target_cpu;
 
-    assert(qemu_mutex_iothread_locked());
-
     DPRINTF("cpu %" PRId64 "\n", cpuid);
 
     /* change to the cpu we are powering up */
@@ -274,8 +268,6 @@  int arm_reset_cpu(uint64_t cpuid)
     CPUState *target_cpu_state;
     ARMCPU *target_cpu;
 
-    assert(qemu_mutex_iothread_locked());
-
     DPRINTF("cpu %" PRId64 "\n", cpuid);
 
     /* change to the cpu we are resetting */