[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>
This commit is contained in:
Jeff Dike 2007-02-10 01:44:23 -08:00 коммит произвёл Linus Torvalds
Родитель f2e62992a2
Коммит d9f9d31983
1 изменённых файлов: 1 добавлений и 0 удалений

Просмотреть файл

@ -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)