util · c79a8e840c435bc26a251e34b043318e8b2081db · Anton / libtcg

util/cacheflush: Optimize flushing when ppc host has coherent icache

Nicholas Piggin authored 2 years ago

On linux, the AT_HWCAP bit PPC_FEATURE_ICACHE_SNOOP indicates
that we can use a simplified 3 instruction flush sequence.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20220519141131.29839-1-npiggin@gmail.com>
[rth: update after merging cacheflush.c and cacheinfo.c]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20220621014837.189139-4-richard.henderson@linaro.org>

c79a8e84

History

c79a8e84 2 years ago

History

Name	Last commit	Last update
..
aio-posix.c
aio-posix.h
aio-wait.c
aio-win32.c
aiocb.c
async.c
atomic64.c
base64.c
bitmap.c
bitops.c
block-helpers.c
block-helpers.h
buffer.c
bufferiszero.c
cacheflush.c
compatfd.c
coroutine-sigaltstack.c
coroutine-ucontext.c
coroutine-win32.c
crc-ccitt.c
crc32c.c
cutils.c
dbus.c
drm.c
envlist.c
error-report.c
error.c
event_notifier-posix.c
event_notifier-win32.c
fdmon-epoll.c
fdmon-io_uring.c
fdmon-poll.c
fifo8.c
filemonitor-inotify.c
filemonitor-stub.c
getauxval.c
guest-random.c
hbitmap.c
hexdump.c
host-utils.c
id.c
int128.c
iov.c
iova-tree.c
keyval.c
lockcnt.c
log.c
main-loop.c
memalign.c
memfd.c
meson.build
mmap-alloc.c
module.c
notify.c
nvdimm-utils.c
osdep.c
oslib-posix.c
oslib-win32.c
path.c
qdist.c
qemu-co-shared-resource.c
qemu-config.c
qemu-coroutine-io.c
qemu-coroutine-lock.c
qemu-coroutine-sleep.c
qemu-coroutine.c
qemu-option.c
qemu-print.c
qemu-progress.c
qemu-sockets.c
qemu-thread-common.h
qemu-thread-posix.c
qemu-thread-win32.c
qemu-timer-common.c
qemu-timer.c
qht.c
qsp.c
range.c
rcu.c
readline.c
selfmap.c
stats64.c
sys_membarrier.c
systemd.c
thread-pool.c
throttle.c
timed-average.c
trace-events
trace.h
transactions.c
unicode.c
uri.c
userfaultfd.c
uuid.c
vfio-helpers.c
vhost-user-server.c
yank.c