smp: Iterate functions through llist_for_each_entry_safe()

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The IPI function llist iteration is open coded. Lets simplify this
with using an llist iterator.

Also we want to keep the iteration safe against possible
csd.llist->next value reuse from the IPI handler. At least the block
subsystem used to do such things so lets stay careful and use
llist_for_each_entry_safe().

Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jens Axboe <axboe@fb.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

...

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Jan Kara 2014-02-24 16:39:55 +01:00 • committed by Jens Axboe

parent 6d113398dc

commit 5fd77595ec

1 changed files with 3 additions and 9 deletions

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kernel/smp.c

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