diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/ia64/kernel/gate.S | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/ia64/kernel/gate.S b/arch/ia64/kernel/gate.S index 272e64c0e21b..86948ce63e43 100644 --- a/arch/ia64/kernel/gate.S +++ b/arch/ia64/kernel/gate.S @@ -77,7 +77,7 @@ GLOBAL_ENTRY(__kernel_syscall_via_epc) epc // B causes split-issue } ;; - rsm psr.be // M2 (5 cyc to srlz.d) + rsm psr.be | psr.i // M2 (5 cyc to srlz.d) LOAD_FSYSCALL_TABLE(r14) // X ;; mov r16=IA64_KR(CURRENT) // M2 (12 cyc) @@ -98,15 +98,14 @@ GLOBAL_ENTRY(__kernel_syscall_via_epc) nop.i 0 ;; nop.m 0 -(p6) mov b7=r18 // I0 (p6) tbit.z.unc p8,p0=r18,0 // I0 (dual-issues with "mov b7=r18"!) - - nop.m 0 nop.i 0 + ;; +(p8) ssm psr.i +(p6) mov b7=r18 // I0 (p8) br.dptk.many b7 // B mov r27=ar.rsc // M2 (12 cyc) -(p6) rsm psr.i // M2 /* * brl.cond doesn't work as intended because the linker would convert this branch * into a branch to a PLT. Perhaps there will be a way to avoid this with some @@ -123,7 +122,7 @@ GLOBAL_ENTRY(__kernel_syscall_via_epc) #else BRL_COND_FSYS_BUBBLE_DOWN(p6) #endif - + ssm psr.i mov r10=-1 (p10) mov r8=EINVAL (p9) mov r8=ENOSYS |