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[PATCH] uml: SIGIO locking comment

Comment the use of a mysterious-looking lock.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Jeff Dike 2007-02-10 01:44:23 -08:00 committed by Linus Torvalds
parent f2e62992a2
commit d9f9d31983
1 changed files with 1 additions and 0 deletions

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@ -42,6 +42,7 @@ int write_sigio_irq(int fd)
return(0);
}
/* These are called from os-Linux/sigio.c to protect its pollfds arrays. */
static DEFINE_SPINLOCK(sigio_spinlock);
void sigio_lock(void)