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Pull miscellaneous into release branch

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Conflicts:

	arch/ia64/kernel/mca.c
This commit is contained in:
Tony Luck
2008-04-17 10:14:51 -07:00
parent f4df39cbdd 072f042df3
commit 71b264f85f
21 changed files with 338 additions and 112 deletions
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34
arch/ia64/kernel/fsys.S
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@@ -61,13 +61,29 @@ ENTRY(fsys_getpid)
.prologue
.altrp b6
.body
add r17=IA64_TASK_GROUP_LEADER_OFFSET,r16
;;
ld8 r17=[r17] // r17 = current->group_leader
add r9=TI_FLAGS+IA64_TASK_SIZE,r16
;;
ld4 r9=[r9]
add r8=IA64_TASK_TGID_OFFSET,r16
add r17=IA64_TASK_TGIDLINK_OFFSET,r17
;;
and r9=TIF_ALLWORK_MASK,r9
ld4 r8=[r8] // r8 = current->tgid
ld8 r17=[r17] // r17 = current->group_leader->pids[PIDTYPE_PID].pid
;;
add r8=IA64_PID_LEVEL_OFFSET,r17
;;
ld4 r8=[r8] // r8 = pid->level
add r17=IA64_PID_UPID_OFFSET,r17 // r17 = &pid->numbers[0]
;;
shl r8=r8,IA64_UPID_SHIFT
;;
add r17=r17,r8 // r17 = &pid->numbers[pid->level]
;;
ld4 r8=[r17] // r8 = pid->numbers[pid->level].nr
;;
mov r17=0
;;
cmp.ne p8,p0=0,r9
(p8) br.spnt.many fsys_fallback_syscall
@@ -126,15 +142,25 @@ ENTRY(fsys_set_tid_address)
.altrp b6
.body
add r9=TI_FLAGS+IA64_TASK_SIZE,r16
add r17=IA64_TASK_TGIDLINK_OFFSET,r16
;;
ld4 r9=[r9]
tnat.z p6,p7=r32 // check argument register for being NaT
ld8 r17=[r17] // r17 = current->pids[PIDTYPE_PID].pid
;;
and r9=TIF_ALLWORK_MASK,r9
add r8=IA64_TASK_PID_OFFSET,r16
add r8=IA64_PID_LEVEL_OFFSET,r17
add r18=IA64_TASK_CLEAR_CHILD_TID_OFFSET,r16
;;
ld4 r8=[r8]
ld4 r8=[r8] // r8 = pid->level
add r17=IA64_PID_UPID_OFFSET,r17 // r17 = &pid->numbers[0]
;;
shl r8=r8,IA64_UPID_SHIFT
;;
add r17=r17,r8 // r17 = &pid->numbers[pid->level]
;;
ld4 r8=[r17] // r8 = pid->numbers[pid->level].nr
;;
cmp.ne p8,p0=0,r9
mov r17=-1
;;