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| author |   Valentin Schneider <vschneid@redhat.com> | 2023-03-07 14:35:57 +0000 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2023-03-24 11:01:28 +0100 |
| commit | 253a0fb4c62827cdcaf43afcea5d675507eaf7a3 (patch) | |
| tree | fb135bbf9c7816f7a79e7f1c04b8df8c1b00bbef /scripts/gdb/linux/utils.py | |
| parent | treewide: Trace IPIs sent via smp_send_reschedule() (diff) | |
| download | linux-rng-253a0fb4c62827cdcaf43afcea5d675507eaf7a3.tar.xz linux-rng-253a0fb4c62827cdcaf43afcea5d675507eaf7a3.zip | |
smp: reword smp call IPI comment
Accessing the call_single_queue hasn't involved a spinlock since 2014:
6897fc22ea01 ("kernel: use lockless list for smp_call_function_single")
The llist operations (namely cmpxchg() and xchg()) provide similar ordering
guarantees, update the comment to lessen confusion.
Signed-off-by: Valentin Schneider <vschneid@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230307143558.294354-7-vschneid@redhat.com
Diffstat (limited to 'scripts/gdb/linux/utils.py')
0 files changed, 0 insertions, 0 deletions