aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/ia64/kernel/entry.S9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 0c84bed1bda9..6359d7ffbb7c 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -692,7 +692,7 @@ ENTRY(ia64_leave_syscall)
692 ;; 692 ;;
693(p6) ld4 r31=[r18] // load current_thread_info()->flags 693(p6) ld4 r31=[r18] // load current_thread_info()->flags
694 ld8 r19=[r2],PT(B6)-PT(LOADRS) // load ar.rsc value for "loadrs" 694 ld8 r19=[r2],PT(B6)-PT(LOADRS) // load ar.rsc value for "loadrs"
695 mov b7=r0 // clear b7 695 nop.i 0
696 ;; 696 ;;
697 ld8 r23=[r3],PT(R11)-PT(AR_BSPSTORE) // load ar.bspstore (may be garbage) 697 ld8 r23=[r3],PT(R11)-PT(AR_BSPSTORE) // load ar.bspstore (may be garbage)
698 ld8 r18=[r2],PT(R9)-PT(B6) // load b6 698 ld8 r18=[r2],PT(R9)-PT(B6) // load b6
@@ -754,7 +754,14 @@ ENTRY(ia64_leave_syscall)
754(pUStk) ld4 r17=[r3] // r17 = cpu_data->phys_stacked_size_p8 754(pUStk) ld4 r17=[r3] // r17 = cpu_data->phys_stacked_size_p8
755 mov.m ar.csd=r0 // M2 clear ar.csd 755 mov.m ar.csd=r0 // M2 clear ar.csd
756 mov f10=f0 // clear f10 756 mov f10=f0 // clear f10
757
758 nop.m 0
759 movl r14=__kernel_syscall_via_epc // X
757 ;; 760 ;;
761 nop.m 0
762 nop.m 0
763 mov b7=r14 // I0 clear b7 (hint with __kernel_syscall_via_epc)
764
758 mov r14=r0 // clear r14 765 mov r14=r0 // clear r14
759 mov f11=f0 // clear f11 766 mov f11=f0 // clear f11
760(pKStk) br.cond.dpnt.many skip_rbs_switch 767(pKStk) br.cond.dpnt.many skip_rbs_switch