diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2014-11-20 14:42:02 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2014-11-20 14:42:02 +0100 |
| commit | a02001086bbfb4da35d1228bebc2f1b442db455f (patch) | |
| tree | 62ab47936cef06fd08657ca5b6cd1df98c19be57 /arch/arm/kernel/swp_emulate.c | |
| parent | eff264efeeb0898408e8c9df72d8a32621035bed (diff) | |
| parent | fc14f9c1272f62c3e8d01300f52467c0d9af50f9 (diff) | |
Merge Linus' tree to be be to apply submitted patches to newer code than
current trivial.git base
Diffstat (limited to 'arch/arm/kernel/swp_emulate.c')
| -rw-r--r-- | arch/arm/kernel/swp_emulate.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c index 67ca8578c6d..587fdfe1a72 100644 --- a/arch/arm/kernel/swp_emulate.c +++ b/arch/arm/kernel/swp_emulate.c @@ -142,14 +142,6 @@ static int emulate_swpX(unsigned int address, unsigned int *data, while (1) { unsigned long temp; - /* - * Barrier required between accessing protected resource and - * releasing a lock for it. Legacy code might not have done - * this, and we cannot determine that this is not the case - * being emulated, so insert always. - */ - smp_mb(); - if (type == TYPE_SWPB) __user_swpb_asm(*data, address, res, temp); else @@ -162,13 +154,6 @@ static int emulate_swpX(unsigned int address, unsigned int *data, } if (res == 0) { - /* - * Barrier also required between acquiring a lock for a - * protected resource and accessing the resource. Inserted for - * same reason as above. - */ - smp_mb(); - if (type == TYPE_SWPB) swpbcounter++; else |