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Guillaume Delbergue ac9a9eba1e qemu-thread: add simple test-and-set spinlock 
Reviewed-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Signed-off-by: Guillaume Delbergue <guillaume.delbergue@greensocs.com>
[Rewritten. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[Emilio's additions: use TAS instead of atomic_xchg; emit acquire/release
 barriers; return bool from trylock; call cpu_relax() while spinning;
 optimize for uncontended locks by acquiring the lock with TAS instead
 of TATAS; add qemu_spin_locked().]
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <1465412133-3029-6-git-send-email-cota@braap.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-06-11 23:10:18 +00:00
..
block block: Kill bdrv_co_write_zeroes() 2016-06-08 10:21:08 +02:00
crypto Fix some typos found by codespell 2016-05-18 15:04:27 +03:00
disas qemu-common: push cpu.h inclusion out of qemu-common.h 2016-05-19 16:42:29 +02:00
exec cpu-exec: Rename cpu_resume_from_signal() to cpu_loop_exit_noexc() 2016-06-09 15:55:02 +01:00
fpu include: Clean up includes 2016-02-23 12:43:05 +00:00
hw trivial patches for 2016-06-07 2016-06-07 16:34:45 +01:00
io Fix some typos found by codespell 2016-05-18 15:04:27 +03:00
libdecnumber include: Clean up includes 2016-02-23 12:43:05 +00:00
migration vmstate: Define VARRAY with VMS_ALLOC 2016-06-07 10:17:45 +10:00
monitor Use scripts/clean-includes to drop redundant qemu/typedefs.h 2016-03-22 22:20:16 +01:00
net net_pkt: Extend packet abstraction as required by e1000e functionality 2016-06-02 10:42:28 +08:00
qapi migration: add reporting of errors for outgoing migration 2016-05-26 11:31:30 +05:30
qemu qemu-thread: add simple test-and-set spinlock 2016-06-11 23:10:18 +00:00
qom all: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
standard-headers update Linux headers to 4.6 2016-04-05 11:46:52 +02:00
sysemu all: Remove unnecessary glib.h includes 2016-06-07 18:19:24 +03:00
ui spice: Initialization stubs on qemu-spice.h 2016-05-20 14:28:53 -03:00
elf.h include: Clean up includes 2016-02-23 12:43:05 +00:00
glib-compat.h glib: add compatibility interface for g_hash_table_add() 2015-10-30 09:01:03 +01:00
qemu-common.h qemu-common.h: Drop WORDS_ALIGNED define 2016-06-07 18:19:24 +03:00
qemu-io.h qemu-io: Use BlockBackend 2015-02-16 15:07:19 +00:00
trace-tcg.h trace: [tcg] Generate TCG tracing routines 2014-08-12 14:26:12 +01:00
trace.h trace: [tcg] Include event definitions in "trace.h" 2014-08-12 14:26:12 +01:00