diff options
| author | David S. Miller <davem@davemloft.net> | 2014-09-23 12:09:27 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-23 12:09:27 -0400 |
| commit | 1f6d80358dc9bbbeb56cb43384fa11fd645d9289 (patch) | |
| tree | 152bfa5165292a8e4f06d536b6d222a68480e573 /arch/arm/kernel/swp_emulate.c | |
| parent | a2aeb02a8e6a9fef397c344245a54eeae67341f6 (diff) | |
| parent | 98f75b8291a89ba6bf73e322ee467ce0bfeb91c1 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
arch/mips/net/bpf_jit.c
drivers/net/can/flexcan.c
Both the flexcan and MIPS bpf_jit conflicts were cases of simple
overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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 67ca8578c6d8..587fdfe1a72c 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 |