mirror of
https://github.com/torvalds/linux.git
synced 2024-11-02 02:01:29 +00:00
62bdb288bf
When caching is disabled on the MN10300 arch, the sys_cacheflush() function is removed by conditional stuff in the makefiles, but is still referred to by the syscall table. Provide a null version that just returns 0 when caching is disabled (or -EINVAL if the arguments are silly). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
22 lines
606 B
C
22 lines
606 B
C
/* Handle the cache being disabled
|
|
*
|
|
* Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
|
|
* Written by David Howells (dhowells@redhat.com)
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public Licence
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the Licence, or (at your option) any later version.
|
|
*/
|
|
#include <linux/mm.h>
|
|
|
|
/*
|
|
* allow userspace to flush the instruction cache
|
|
*/
|
|
asmlinkage long sys_cacheflush(unsigned long start, unsigned long end)
|
|
{
|
|
if (end < start)
|
|
return -EINVAL;
|
|
return 0;
|
|
}
|