diff options
Diffstat (limited to 'arch/parisc/kernel/syscall.S')
| -rw-r--r-- | arch/parisc/kernel/syscall.S | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index ec9675f58435..4fb3b6a993bf 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -597,13 +597,11 @@ cas_nocontend: # endif /* ENABLE_LWS_DEBUG */ - rsm PSW_SM_I, %r0 /* Disable interrupts */ /* COW breaks can cause contention on UP systems */ LDCW 0(%sr2,%r20), %r28 /* Try to acquire the lock */ cmpb,<>,n %r0, %r28, cas_action /* Did we get it? */ cas_wouldblock: ldo 2(%r0), %r28 /* 2nd case */ - ssm PSW_SM_I, %r0 b lws_exit /* Contended... */ ldo -EAGAIN(%r0), %r21 /* Spin in userspace */ @@ -639,8 +637,6 @@ cas_action: /* Clear thread register indicator */ stw %r0, 4(%sr2,%r20) #endif - /* Enable interrupts */ - ssm PSW_SM_I, %r0 /* Return to userspace, set no error */ b lws_exit copy %r0, %r21 @@ -652,7 +648,6 @@ cas_action: #if ENABLE_LWS_DEBUG stw %r0, 4(%sr2,%r20) #endif - ssm PSW_SM_I, %r0 b lws_exit ldo -EFAULT(%r0),%r21 /* set errno */ nop @@ -764,13 +759,11 @@ cas2_lock_start: shlw %r20, 4, %r20 add %r20, %r28, %r20 - rsm PSW_SM_I, %r0 /* Disable interrupts */ /* COW breaks can cause contention on UP systems */ LDCW 0(%sr2,%r20), %r28 /* Try to acquire the lock */ cmpb,<>,n %r0, %r28, cas2_action /* Did we get it? */ cas2_wouldblock: ldo 2(%r0), %r28 /* 2nd case */ - ssm PSW_SM_I, %r0 b lws_exit /* Contended... */ ldo -EAGAIN(%r0), %r21 /* Spin in userspace */ @@ -850,8 +843,6 @@ cas2_action: cas2_end: /* Free lock */ stw,ma %r20, 0(%sr2,%r20) - /* Enable interrupts */ - ssm PSW_SM_I, %r0 /* Return to userspace, set no error */ b lws_exit copy %r0, %r21 @@ -860,7 +851,6 @@ cas2_end: /* Error occurred on load or store */ /* Free lock */ stw,ma %r20, 0(%sr2,%r20) - ssm PSW_SM_I, %r0 ldo 1(%r0),%r28 b lws_exit ldo -EFAULT(%r0),%r21 /* set errno */ |