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| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2010-09-14 21:34:58 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2010-10-22 09:43:25 +0200 |
| commit | 2f81a18446c3061b74f4770eb95adeba2a864b0f (patch) | |
| tree | 2b78b147ecd9ec7fbd81719fe21e5207b04bb40f /arch/m68k | |
| parent | 22e58f9de5d140116eb3a30d5e54396e3030bed2 (diff) | |
| download | linux-3.10-2f81a18446c3061b74f4770eb95adeba2a864b0f.tar.gz linux-3.10-2f81a18446c3061b74f4770eb95adeba2a864b0f.tar.bz2 linux-3.10-2f81a18446c3061b74f4770eb95adeba2a864b0f.zip | |
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>
Diffstat (limited to 'arch/m68k')
| -rw-r--r-- | arch/m68k/kernel/sys_m68k.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 2f431ece7b5..3db2e7f902a 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 @@ sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) 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 @@ sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) } } out: - unlock_kernel(); return ret; } |