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| author | Thomas Gleixner <[email protected]> | 2021-08-15 21:29:28 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2021-08-17 17:08:49 +0000 |
| commit | 026659b9774e4c586baeb457557fcfc4e0ad144b (patch) | |
| tree | 5355b9097ba53475d11d1c2de92555d043c9b664 /lib/test_stackinit.c | |
| parent | locking/spinlock/rt: Prepare for RT local_lock (diff) | |
| download | kernel-026659b9774e4c586baeb457557fcfc4e0ad144b.tar.gz kernel-026659b9774e4c586baeb457557fcfc4e0ad144b.zip | |
locking/local_lock: Add PREEMPT_RT support
On PREEMPT_RT enabled kernels local_lock maps to a per CPU 'sleeping'
spinlock which protects the critical section while staying preemptible. CPU
locality is established by disabling migration.
Provide the necessary types and macros to substitute the non-RT variant.
Co-developed-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'lib/test_stackinit.c')
0 files changed, 0 insertions, 0 deletions