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Peter Maydell 2f0d8631b7 target-arm/helper.c: Don't flush the TLB if SCTLR is rewritten unchanged 
Linux makes a habit of writing the same value to the SCTLR that it
already holds. In a sample boot of the kernel to a shell prompt
it wrote the SCTLR with the value it already held 325465 times,
and wrote different values just 3 times.

Skip flushing the TLB if the SCTLR value isn't actually being changed;
this speeds up my sample boot by 3-5%.

Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Reviewed-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1399560029-19007-1-git-send-email-peter.maydell@linaro.org
2014-05-13 16:09:38 +01:00
audio
build: convert some obj-specific CFLAGS to use new foo.o-cflags syntax
2014-05-08 15:27:49 +02:00
backends
build: convert some obj-specific CFLAGS to use new foo.o-cflags syntax
2014-05-08 15:27:49 +02:00
block
block/raw-posix: Try both FIEMAP and SEEK_HOLE
2014-05-09 20:57:32 +02:00
bsd-user
bsd-user: Remove reference to CONFIG_UNAME_RELEASE
2014-05-13 12:48:52 +01:00
default-configs
usb: mtp filesharing
2014-04-23 10:28:14 +02:00
disas
disas/libvixl: Update to libvixl 1.4
2014-05-13 16:09:35 +01:00
docs
qapi: Document optional arguments' backwards compatibility
2014-05-09 09:11:32 -04:00
dtc @ bc895d6d09
…
fpu
softfloat: Introduce float32_to_uint64_round_to_zero
2014-04-08 11:20:00 +02:00
fsdev
virtfs-proxy-helper: fix call to accept
2014-04-28 08:55:32 +04:00
gdb-xml
…
hw
hw/net/stellaris_enet: Convert to vmstate
2014-05-13 16:09:38 +01:00
include
tcg updates for 20140512
2014-05-13 13:16:37 +01:00
libcacard
libcacard: remove libcacard-specific CFLAGS and LIBS from global vars
2014-05-09 22:59:40 +02:00
linux-headers
linux-headers update
2014-04-25 12:59:57 +02:00
linux-user
linux-user: fix getrusage and wait4 failures with invalid rusage struct
2014-05-05 15:21:05 +03:00
net
trivial patches for 2014-04-28
2014-04-28 13:43:17 +01:00
pc-bios
Add QEMU logo (SVG file)
2014-04-28 08:55:31 +04:00
pixman @ 97336fad32
…
po
po: add proper Language: tags to .po files
2014-04-28 08:55:32 +04:00
qapi
Revert "qapi: Clean up superfluous null check in qapi_dealloc_type_str()"
2014-05-09 09:11:32 -04:00
qga
qga: Drop superfluous error_is_set()
2014-05-09 09:11:31 -04:00
qobject
qerror.h: Remove QERR defines that are only used once
2014-04-25 09:19:59 -04:00
qom
qerror.h: Remove QERR defines that are only used once
2014-04-25 09:19:59 -04:00
roms
pseries: Update SLOF firmware image to qemu-slof-20140404
2014-04-08 11:20:00 +02:00
scripts
Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
2014-05-09 15:46:34 +01:00
slirp
slirp: Remove default_mon usage
2014-04-25 09:19:58 -04:00
stubs
qerror.h: Replace QERR_NOT_SUPPORTED with QERR_UNSUPPORTED
2014-04-25 09:19:59 -04:00
sysconfigs/target
…
target-alpha
target-alpha: Fix RDUSP
2014-05-02 20:42:02 -07:00
target-arm
target-arm/helper.c: Don't flush the TLB if SCTLR is rewritten unchanged
2014-05-13 16:09:38 +01:00
target-cris
…
target-i386
qom: Clean up fragile use of error_is_set() in set() methods
2014-05-05 19:08:49 +02:00
target-lm32
…
target-m68k
…
target-microblaze
microblaze: Respect the reset vector
2014-05-13 09:12:40 +10:00
target-mips
…
target-moxie
…
target-openrisc
…
target-ppc
ppc: use kvm_vcpu_enable_cap()
2014-04-30 14:39:58 +02:00
target-s390x
s390x/helper: Added format control bit to MMU translation
2014-05-07 10:17:35 +02:00
target-sh4
…
target-sparc
…
target-unicore32
…
target-xtensa
…
tcg
tcg: Remove unreachable code in tcg_out_op and op_defs
2014-05-12 11:13:13 -07:00
tests
Block pull request
2014-05-13 10:35:47 +01:00
trace
trace: [tracetool] Minimize the amount of per-backend code
2014-05-07 19:07:18 +02:00
ui
build: convert some obj-specific CFLAGS to use new foo.o-cflags syntax
2014-05-08 15:27:49 +02:00
util
savevm: Remove all the unneeded version_minimum_id_old (arm)
2014-05-13 16:09:35 +01:00
.exrc
…
.gitignore
gitignore: cleanups #2
2014-04-28 08:55:31 +04:00
.gitmodules
…
.mailmap
…
.travis.yml
…
aio-posix.c
…
aio-win32.c
…
arch_init.c
arch_init: Be sure of only one exit entry with DPRINTF() for ram_load()
2014-05-07 21:00:43 +04:00
async.c
…
balloon.c
…
block-migration.c
block: Handle error of bdrv_getlength in bdrv_create_dirty_bitmap
2014-04-22 11:57:02 +02:00
block.c
block: Fix open flags with BDRV_O_SNAPSHOT
2014-05-09 20:57:31 +02:00
blockdev-nbd.c
…
blockdev.c
Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
2014-04-28 12:56:34 +01:00
blockjob.c
qerror.h: Replace QERR_NOT_SUPPORTED with QERR_UNSUPPORTED
2014-04-25 09:19:59 -04:00
bt-host.c
…
bt-vhci.c
…
Changelog
…
CODING_STYLE
…
configure
Merge remote-tracking branch 'remotes/bonzini/configure' into staging
2014-05-13 11:30:07 +01:00
COPYING
…
COPYING.LIB
…
coroutine-gthread.c
do not call g_thread_init() for glib >= 2.31
2014-05-07 21:00:43 +04:00
coroutine-sigaltstack.c
…
coroutine-ucontext.c
…
coroutine-win32.c
…
cpu-exec.c
cpu-exec: Unlock tb_lock if we longjmp out of code generation
2014-04-04 18:29:25 +01:00
cpus.c
misc: Use cpu_physical_memory_read and cpu_physical_memory_write
2014-04-27 13:04:18 +04:00
cputlb.c
…
device_tree.c
…
device-hotplug.c
machine: Remove QEMUMachine indirection from MachineClass
2014-05-05 19:08:49 +02:00
disas.c
…
dma-helpers.c
dma-helpers: Initialize DMAAIOCB in_cancel flag
2014-04-04 19:36:39 +02:00
dump.c
dump: Drop pointless error_is_set(), DumpState member errp
2014-05-09 09:11:32 -04:00
exec.c
exec: Limit translation limiting in address_space_translate to xen
2014-05-07 16:14:36 +00:00
gdbstub.c
…
HACKING
…
hmp-commands.hx
HMP: support specifying dump format for dump-guest-memory
2014-04-25 11:18:33 -04:00
hmp.c
hmp: Guard against misuse of hmp_handle_error()
2014-05-09 09:11:31 -04:00
hmp.h
monitor: Add device_add and device_del completion.
2014-04-25 09:37:12 -04:00
iohandler.c
…
ioport.c
…
iothread.c
iothread: make IOThread struct definition public
2014-04-04 20:48:02 +02:00
kvm-all.c
machine: Replace QEMUMachine by MachineClass in accelerator configuration
2014-05-05 19:08:49 +02:00
kvm-stub.c
machine: Replace QEMUMachine by MachineClass in accelerator configuration
2014-05-05 19:08:49 +02:00
LICENSE
…
main-loop.c
…
MAINTAINERS
pc,net,MAINTAINERS,build updates
2014-05-07 17:16:03 +01:00
Makefile
Merge remote-tracking branch 'remotes/bonzini/configure' into staging
2014-05-13 11:30:07 +01:00
Makefile.objs
libcacard: remove libcacard-specific CFLAGS and LIBS from global vars
2014-05-09 22:59:40 +02:00
Makefile.target
Makefile.target: use $(INSTALL_PROG) for installing, not $(INSTALL)
2014-05-08 15:09:04 +02:00
memory_mapping.c
…
memory.c
…
migration-exec.c
…
migration-fd.c
…
migration-rdma.c
…
migration-tcp.c
Coverity: Fix failure path for qemu_accept in migration
2014-05-05 22:15:03 +02:00
migration-unix.c
Coverity: Fix failure path for qemu_accept in migration
2014-05-05 22:15:03 +02:00
migration.c
migration: expose xbzrle cache miss rate
2014-05-05 22:15:03 +02:00
module-common.c
…
monitor.c
monitor: add Error-propagating monitor_handle_fd_param2()
2014-05-08 14:19:58 -04:00
nbd.c
…
os-posix.c
…
os-win32.c
…
page_cache.c
…
qapi-schema.json
migration: expose xbzrle cache miss rate
2014-05-05 22:15:03 +02:00
qdev-monitor.c
qdev: Fix crash by validating the object type
2014-05-05 19:08:49 +02:00
qdict-test-data.txt
…
qemu-bridge-helper.c
…
qemu-char.c
…
qemu-coroutine-io.c
…
qemu-coroutine-lock.c
…
qemu-coroutine-sleep.c
…
qemu-coroutine.c
…
qemu-doc.texi
doc: grammify "allows to"
2014-04-18 10:33:36 +04:00
qemu-file.c
Make qemu_peek_buffer loop until it gets it's data
2014-05-05 22:15:03 +02:00
qemu-img-cmds.hx
…
qemu-img.c
qemu-img: Convert by cluster size if target is compressed
2014-05-09 13:32:16 +02:00
qemu-img.texi
…
qemu-io-cmds.c
…
qemu-io.c
block: Add errp to bdrv_new()
2014-04-22 12:00:20 +02:00
qemu-log.c
…
qemu-nbd.c
block: Add errp to bdrv_new()
2014-04-22 12:00:20 +02:00
qemu-nbd.texi
…
qemu-options-wrapper.h
…
qemu-options.h
…
qemu-options.hx
trivial patches for 2014-04-28
2014-04-28 13:43:17 +01:00
qemu-seccomp.c
seccomp: add shmctl(), mlock(), and munlock() to the syscall whitelist
2014-04-25 14:52:03 -03:00
qemu-tech.texi
…
qemu-timer.c
vl.c: remove init_clocks call from main
2014-05-09 20:57:32 +02:00
qemu.nsi
…
qemu.sasl
…
qmp-commands.hx
qmp: use valid JSON in transaction example
2014-05-09 09:11:32 -04:00
qmp.c
qmp: Don't use error_is_set() to suppress additional errors
2014-05-09 09:11:32 -04:00
qtest.c
machine: Replace QEMUMachine by MachineClass in accelerator configuration
2014-05-05 19:08:49 +02:00
README
…
rules.mak
build: simplify and fix fix-obj-vars
2014-05-09 22:59:40 +02:00
savevm.c
qerror.h: Remove QERR defines that are only used once
2014-04-25 09:19:59 -04:00
spice-qemu-char.c
…
tcg-runtime.c
…
tci.c
tci: Mask shift counts to avoid undefined behavior
2014-04-18 16:57:36 -07:00
thread-pool.c
…
thunk.c
…
tpm.c
…
trace-events
usb: mtp: replace debug printfs with trace points
2014-05-05 12:57:21 +02:00
translate-all.c
tcg: Define tcg_insn_unit for code pointers
2014-05-12 10:03:04 -07:00
translate-all.h
…
user-exec.c
tcg-aarch64: Properly detect SIGSEGV writes
2014-04-16 12:12:32 -04:00
VERSION
Open 2.1 development tree
2014-04-17 20:39:32 +01:00
version.rc
…
vl.c
vl.c: remove init_clocks call from main
2014-05-09 20:57:32 +02:00
vmstate.c
savevm: Ignore minimum_version_id_old if there is no load_state_old
2014-05-05 22:15:03 +02:00
xbzrle.c
xbzrle.c: Avoid undefined behaviour with signed arithmetic
2014-04-18 10:33:36 +04:00
xen-common-stub.c
xen: factor out common functions
2014-05-07 16:16:43 +00:00
xen-common.c
xen: factor out common functions
2014-05-07 16:16:43 +00:00
xen-hvm-stub.c
xen: factor out common functions
2014-05-07 16:16:43 +00:00
xen-hvm.c
pass an inclusive address range to xc_domain_pin_memory_cacheattr
2014-05-07 16:17:57 +00:00
xen-mapcache.c
…

README 

Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org

- QEMU team
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