softirq: use bit waits instead of var waits.

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The waiting in softirq.c is always waiting for a bit to be cleared.
This makes the bit wait functions seem more suitable.
By switching over we can rid of all explicit barriers.  We also use
wait_on_bit_lock() to avoid an explicit loop.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240925053405.3960701-8-neilb@suse.de

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NeilBrown 2024-09-25 15:31:44 +10:00 • committed by Peter Zijlstra

parent 80681c04c5

commit 49994911b4

1 changed files with 4 additions and 10 deletions

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kernel/softirq.c

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