lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] uml: SIGIO locking comment

Browse Source 
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
committed by Linus Torvalds
parent f2e62992a2
commit d9f9d31983
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/um/kernel/sigio.c
View File

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