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[Qemu-devel] [RFC PATCH v3 14/30] target/arm/arm-powertctl: drop BQL ass
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [RFC PATCH v3 14/30] target/arm/arm-powertctl: drop BQL assertions |
Date: |
Thu, 11 Jan 2018 11:26:15 +0300 |
User-agent: |
StGit/0.17.1-dirty |
From: Alex Bennée <address@hidden>
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 <address@hidden>
---
target/arm/arm-powerctl.c | 8 --------
1 file changed, 8 deletions(-)
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 */
- [Qemu-devel] [RFC PATCH v3 04/30] block: implement bdrv_snapshot_goto for blkreplay, (continued)
- [Qemu-devel] [RFC PATCH v3 04/30] block: implement bdrv_snapshot_goto for blkreplay, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 05/30] blkreplay: create temporary overlay for underlaying devices, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 06/30] replay: disable default snapshot for record/replay, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 07/30] replay: fix processing async events, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 08/30] replay: fixed replay_enable_events, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 09/30] replay: fix save/load vm for non-empty queue, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 10/30] replay: added replay log format description, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 11/30] replay: make safe vmstop at record/replay, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 12/30] replay: save prior value of the host clock, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 13/30] icount: fixed saving/restoring of icount warp timers, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 14/30] target/arm/arm-powertctl: drop BQL assertions,
Pavel Dovgalyuk <=
- [Qemu-devel] [RFC PATCH v3 15/30] cpus: push BQL lock to qemu_*_wait_io_event, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 16/30] cpus: only take BQL for sleeping threads, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 17/30] replay/replay.c: bump REPLAY_VERSION again, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 18/30] replay/replay-internal.c: track holding of replay_lock, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 19/30] replay: make locking visible outside replay code, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 20/30] replay: push replay_mutex_lock up the call tree, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 21/30] replay: don't destroy mutex at exit, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 22/30] replay: check return values of fwrite, Pavel Dovgalyuk, 2018/01/11
- [Qemu-devel] [RFC PATCH v3 23/30] replay: avoid recursive call of checkpoints, Pavel Dovgalyuk, 2018/01/11