qemu-e2k/softmmu
Idan Horowitz 25e82fb769 softmmu/cpus: Check if the cpu work list is empty atomically
Instead of taking the lock of the cpu work list in order to check if it's
empty, we can just read the head pointer atomically. This decreases
cpu_work_list_empty's share from 5% to 1.3% in a profile of icount-enabled
aarch64-softmmu.

Signed-off-by: Idan Horowitz <idan.horowitz@gmail.com>
Message-Id: <20220114004358.299534-1-idan.horowitz@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-02-09 08:55:02 +11:00
..
arch_init.c meson.build: Define QEMU_ARCH in config-target.h 2021-08-26 17:02:00 +01:00
balloon.c
bootdevice.c
cpu-throttle.c cpu-throttle: Remove timer_mod() from cpu_throttle_set() 2021-02-08 15:15:32 +01:00
cpu-timers.c icount: get rid of static variable 2021-04-01 09:40:45 +02:00
cpus.c softmmu/cpus: Check if the cpu work list is empty atomically 2022-02-09 08:55:02 +11:00
datadir.c
device_tree.c softmmu/device_tree: Remove redundant pointer assignment 2022-01-21 15:52:56 +10:00
dma-helpers.c exec/memory: Extract address_space_set() from dma_memory_set() 2022-01-20 09:09:37 +01:00
globals.c qmp: generalize watchdog-set-action to -no-reboot/-no-shutdown 2020-12-15 12:51:57 -05:00
icount.c icount: get rid of static variable 2021-04-01 09:40:45 +02:00
ioport.c
main.c
memory_mapping.c softmmu/memory_mapping: optimize for RamDiscardManager sections 2021-10-02 08:43:22 +02:00
memory.c memory: Fix incorrect calls of log_global_start/stop 2022-01-18 10:45:35 +01:00
meson.build seccomp: convert to meson 2021-01-06 10:21:20 +01:00
physmem.c exec/memory: Extract address_space_set() from dma_memory_set() 2022-01-20 09:09:37 +01:00
qdev-monitor.c pci,pc,virtio: bugfixes 2021-11-15 21:56:15 +01:00
qemu-seccomp.c seccomp: don't block getters for resource control syscalls 2021-07-14 14:15:52 +01:00
qtest.c qtest: add a QOM object for qtest 2021-05-26 14:49:45 +02:00
rtc.c rtc: Move RTC function prototypes to their own header 2022-01-28 14:29:46 +00:00
runstate-action.c runstate: cleanup reboot and panic actions 2021-01-21 13:00:41 +01:00
runstate.c runstate: Initialize Error * to NULL 2021-06-15 17:17:09 +02:00
timers-state.h qemu/atomic: Add aligned_{int64,uint64}_t types 2021-07-21 07:45:38 -10:00
tpm.c qapi: More complex uses of QAPI_LIST_APPEND 2021-01-28 08:08:45 +01:00
trace-events memory: make global_dirty_tracking a bitmask 2021-11-01 22:56:43 +01:00
trace.h
vl.c softmmu: fix device deletion events with -device JSON syntax 2022-01-14 12:03:16 +01:00