[PATCH] uml: SIGIO locking comment · d9f9d31983 - Gogs

[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>

Jeff Dike 18 years ago

parent

f2e62992a2

commit

d9f9d31983

1 changed files with 1 additions and 0 deletions

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arch/um/kernel/sigio.c
							 
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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)