m68k: Remove big kernel lock in cache flush code
The cache flush code doesn't need a lock, so we can remove the use of the BKL.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Suggested-by: Andreas Schwab <schwab@linux-m68k.org>
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index 2f431ec..3db2e7f 100644
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -12,7 +12,6 @@
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
@@ -377,7 +376,6 @@
struct vm_area_struct *vma;
int ret = -EINVAL;
- lock_kernel();
if (scope < FLUSH_SCOPE_LINE || scope > FLUSH_SCOPE_ALL ||
cache & ~FLUSH_CACHE_BOTH)
goto out;
@@ -446,7 +444,6 @@
}
}
out:
- unlock_kernel();
return ret;
}