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| author | Max Filippov <jcmvbkbc@gmail.com> | 2019-04-18 16:37:00 -0700 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2019-05-15 10:31:52 -0700 |
| commit | b345e140534ea17814b02bdf8798f18db6295304 (patch) | |
| tree | f9320a22da357d31ad10e17a340300b02a389b98 /linux-headers/linux/psci.h | |
| parent | 98736654f3dfbf984d9e26c9be0480b0560c1067 (diff) | |
| download | focaccia-qemu-b345e140534ea17814b02bdf8798f18db6295304.tar.gz focaccia-qemu-b345e140534ea17814b02bdf8798f18db6295304.zip | |
target/xtensa: implement exclusive access option
The Exclusive Instructions provide a general-purpose mechanism for atomic updates of memory-based synchronization variables that can be used for exclusion algorithms. Use cmpxchg-based implementation that is sufficient for the typical use of exclusive access in atomic operations. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'linux-headers/linux/psci.h')
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