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-rw-r--r--arch/s390/kernel/entry.S109
-rw-r--r--arch/s390/kernel/entry64.S106
-rw-r--r--arch/s390/kernel/setup.c4
3 files changed, 153 insertions, 66 deletions
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 139ca153d5cc..764d56177cb5 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -69,13 +69,31 @@ STACK_SIZE = 1 << STACK_SHIFT
basr %r14,%r1
.endm
- .macro LOCKDEP_SYS_EXIT
- l %r1,BASED(.Llockdep_sys_exit)
+ .macro TRACE_IRQS_CHECK
+ tm SP_PSW(%r15),0x03 # irqs enabled?
+ jz 0f
+ l %r1,BASED(.Ltrace_irq_on)
basr %r14,%r1
+ j 1f
+0: l %r1,BASED(.Ltrace_irq_off)
+ basr %r14,%r1
+1:
.endm
#else
#define TRACE_IRQS_ON
#define TRACE_IRQS_OFF
+#define TRACE_IRQS_CHECK
+#endif
+
+#ifdef CONFIG_LOCKDEP
+ .macro LOCKDEP_SYS_EXIT
+ tm SP_PSW+1(%r15),0x01 # returning to user ?
+ jz 0f
+ l %r1,BASED(.Llockdep_sys_exit)
+ basr %r14,%r1
+0:
+ .endm
+#else
#define LOCKDEP_SYS_EXIT
#endif
@@ -234,8 +252,6 @@ sysc_saveall:
lh %r7,0x8a # get svc number from lowcore
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
sysc_vtime:
- tm SP_PSW+1(%r15),0x01 # interrupting from user ?
- bz BASED(sysc_do_svc)
UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
sysc_stime:
UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
@@ -263,19 +279,34 @@ sysc_do_restart:
sysc_return:
tm SP_PSW+1(%r15),0x01 # returning to user ?
- bno BASED(sysc_leave)
+ bno BASED(sysc_restore)
tm __TI_flags+3(%r9),_TIF_WORK_SVC
bnz BASED(sysc_work) # there is work to do (signals etc.)
+sysc_restore:
+#ifdef CONFIG_TRACE_IRQFLAGS
+ la %r1,BASED(sysc_restore_trace_psw)
+ lpsw 0(%r1)
+sysc_restore_trace:
+ TRACE_IRQS_CHECK
LOCKDEP_SYS_EXIT
+#endif
sysc_leave:
RESTORE_ALL __LC_RETURN_PSW,1
+sysc_done:
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+ .align 8
+ .globl sysc_restore_trace_psw
+sysc_restore_trace_psw:
+ .long 0, sysc_restore_trace + 0x80000000
+#endif
#
# recheck if there is more work to do
#
sysc_work_loop:
tm __TI_flags+3(%r9),_TIF_WORK_SVC
- bz BASED(sysc_leave) # there is no work to do
+ bz BASED(sysc_restore) # there is no work to do
#
# One of the work bits is on. Find out which one.
#
@@ -290,8 +321,8 @@ sysc_work:
bo BASED(sysc_restart)
tm __TI_flags+3(%r9),_TIF_SINGLE_STEP
bo BASED(sysc_singlestep)
- LOCKDEP_SYS_EXIT
- b BASED(sysc_leave)
+ b BASED(sysc_restore)
+sysc_work_done:
#
# _TIF_NEED_RESCHED is set, call schedule
@@ -458,6 +489,7 @@ pgm_check_handler:
pgm_no_vtime:
#endif
l %r9,__LC_THREAD_INFO # load pointer to thread_info struct
+ TRACE_IRQS_OFF
l %r3,__LC_PGM_ILC # load program interruption code
la %r8,0x7f
nr %r8,%r3
@@ -497,6 +529,7 @@ pgm_per_std:
pgm_no_vtime2:
#endif
l %r9,__LC_THREAD_INFO # load pointer to thread_info struct
+ TRACE_IRQS_OFF
l %r1,__TI_task(%r9)
mvc __THREAD_per+__PER_atmid(2,%r1),__LC_PER_ATMID
mvc __THREAD_per+__PER_address(4,%r1),__LC_PER_ADDRESS
@@ -517,15 +550,13 @@ pgm_svcper:
SAVE_ALL_SYNC __LC_SVC_OLD_PSW,__LC_SAVE_AREA
CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
- tm SP_PSW+1(%r15),0x01 # interrupting from user ?
- bz BASED(pgm_no_vtime3)
UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
-pgm_no_vtime3:
#endif
lh %r7,0x8a # get svc number from lowcore
l %r9,__LC_THREAD_INFO # load pointer to thread_info struct
+ TRACE_IRQS_OFF
l %r1,__TI_task(%r9)
mvc __THREAD_per+__PER_atmid(2,%r1),__LC_PER_ATMID
mvc __THREAD_per+__PER_address(4,%r1),__LC_PER_ADDRESS
@@ -542,7 +573,7 @@ kernel_per:
mvi SP_TRAP+1(%r15),0x28 # set trap indication to pgm check
la %r2,SP_PTREGS(%r15) # address of register-save area
l %r1,BASED(.Lhandle_per) # load adr. of per handler
- la %r14,BASED(sysc_leave) # load adr. of system return
+ la %r14,BASED(sysc_restore)# load adr. of system return
br %r1 # branch to do_single_step
/*
@@ -569,26 +600,38 @@ io_no_vtime:
l %r1,BASED(.Ldo_IRQ) # load address of do_IRQ
la %r2,SP_PTREGS(%r15) # address of register-save area
basr %r14,%r1 # branch to standard irq handler
- TRACE_IRQS_ON
-
io_return:
tm SP_PSW+1(%r15),0x01 # returning to user ?
#ifdef CONFIG_PREEMPT
bno BASED(io_preempt) # no -> check for preemptive scheduling
#else
- bno BASED(io_leave) # no-> skip resched & signal
+ bno BASED(io_restore) # no-> skip resched & signal
#endif
tm __TI_flags+3(%r9),_TIF_WORK_INT
bnz BASED(io_work) # there is work to do (signals etc.)
+io_restore:
+#ifdef CONFIG_TRACE_IRQFLAGS
+ la %r1,BASED(io_restore_trace_psw)
+ lpsw 0(%r1)
+io_restore_trace:
+ TRACE_IRQS_CHECK
LOCKDEP_SYS_EXIT
+#endif
io_leave:
RESTORE_ALL __LC_RETURN_PSW,0
io_done:
+#ifdef CONFIG_TRACE_IRQFLAGS
+ .align 8
+ .globl io_restore_trace_psw
+io_restore_trace_psw:
+ .long 0, io_restore_trace + 0x80000000
+#endif
+
#ifdef CONFIG_PREEMPT
io_preempt:
icm %r0,15,__TI_precount(%r9)
- bnz BASED(io_leave)
+ bnz BASED(io_restore)
l %r1,SP_R15(%r15)
s %r1,BASED(.Lc_spsize)
mvc SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15)
@@ -596,12 +639,14 @@ io_preempt:
lr %r15,%r1
io_resume_loop:
tm __TI_flags+3(%r9),_TIF_NEED_RESCHED
- bno BASED(io_leave)
+ bno BASED(io_restore)
mvc __TI_precount(4,%r9),BASED(.Lc_pactive)
+ TRACE_IRQS_ON
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
l %r1,BASED(.Lschedule)
basr %r14,%r1 # call schedule
stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts
+ TRACE_IRQS_OFF
xc __TI_precount(4,%r9),__TI_precount(%r9)
b BASED(io_resume_loop)
#endif
@@ -627,40 +672,42 @@ io_work_loop:
bo BASED(io_reschedule)
tm __TI_flags+3(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
bnz BASED(io_sigpending)
- LOCKDEP_SYS_EXIT
- b BASED(io_leave)
+ b BASED(io_restore)
+io_work_done:
#
# _TIF_MCCK_PENDING is set, call handler
#
io_mcck_pending:
- TRACE_IRQS_OFF
l %r1,BASED(.Ls390_handle_mcck)
basr %r14,%r1 # TIF bit will be cleared by handler
- TRACE_IRQS_ON
b BASED(io_work_loop)
#
# _TIF_NEED_RESCHED is set, call schedule
#
io_reschedule:
+ TRACE_IRQS_ON
l %r1,BASED(.Lschedule)
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
basr %r14,%r1 # call scheduler
stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts
+ TRACE_IRQS_OFF
tm __TI_flags+3(%r9),_TIF_WORK_INT
- bz BASED(io_leave) # there is no work to do
+ bz BASED(io_restore) # there is no work to do
b BASED(io_work_loop)
#
# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
#
io_sigpending:
+ TRACE_IRQS_ON
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
la %r2,SP_PTREGS(%r15) # load pt_regs
l %r1,BASED(.Ldo_signal)
basr %r14,%r1 # call do_signal
stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts
+ TRACE_IRQS_OFF
b BASED(io_work_loop)
/*
@@ -688,7 +735,6 @@ ext_no_vtime:
lh %r3,__LC_EXT_INT_CODE # get interruption code
l %r1,BASED(.Ldo_extint)
basr %r14,%r1
- TRACE_IRQS_ON
b BASED(io_return)
__critical_end:
@@ -853,15 +899,15 @@ cleanup_table_system_call:
cleanup_table_sysc_return:
.long sysc_return + 0x80000000, sysc_leave + 0x80000000
cleanup_table_sysc_leave:
- .long sysc_leave + 0x80000000, sysc_work_loop + 0x80000000
+ .long sysc_leave + 0x80000000, sysc_done + 0x80000000
cleanup_table_sysc_work_loop:
- .long sysc_work_loop + 0x80000000, sysc_reschedule + 0x80000000
+ .long sysc_work_loop + 0x80000000, sysc_work_done + 0x80000000
cleanup_table_io_return:
.long io_return + 0x80000000, io_leave + 0x80000000
cleanup_table_io_leave:
.long io_leave + 0x80000000, io_done + 0x80000000
cleanup_table_io_work_loop:
- .long io_work_loop + 0x80000000, io_mcck_pending + 0x80000000
+ .long io_work_loop + 0x80000000, io_work_done + 0x80000000
cleanup_critical:
clc 4(4,%r12),BASED(cleanup_table_system_call)
@@ -930,8 +976,6 @@ cleanup_system_call:
cleanup_vtime:
clc __LC_RETURN_PSW+4(4),BASED(cleanup_system_call_insn+12)
bhe BASED(cleanup_stime)
- tm SP_PSW+1(%r15),0x01 # interrupting from user ?
- bz BASED(cleanup_novtime)
UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
cleanup_stime:
clc __LC_RETURN_PSW+4(4),BASED(cleanup_system_call_insn+16)
@@ -939,7 +983,6 @@ cleanup_stime:
UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
cleanup_update:
mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
-cleanup_novtime:
#endif
mvc __LC_RETURN_PSW+4(4),BASED(cleanup_table_system_call+4)
la %r12,__LC_RETURN_PSW
@@ -978,10 +1021,10 @@ cleanup_sysc_leave:
2: la %r12,__LC_RETURN_PSW
br %r14
cleanup_sysc_leave_insn:
+ .long sysc_done - 4 + 0x80000000
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
- .long sysc_leave + 14 + 0x80000000
+ .long sysc_done - 8 + 0x80000000
#endif
- .long sysc_leave + 10 + 0x80000000
cleanup_io_return:
mvc __LC_RETURN_PSW(4),0(%r12)
@@ -1008,10 +1051,10 @@ cleanup_io_leave:
2: la %r12,__LC_RETURN_PSW
br %r14
cleanup_io_leave_insn:
+ .long io_done - 4 + 0x80000000
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
- .long io_leave + 18 + 0x80000000
+ .long io_done - 8 + 0x80000000
#endif
- .long io_leave + 14 + 0x80000000
/*
* Integer constants
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 05e26d1fdf40..e15c80efdd05 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -67,12 +67,28 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | _TIF_NEED_RESCHED | \
brasl %r14,trace_hardirqs_off
.endm
- .macro LOCKDEP_SYS_EXIT
- brasl %r14,lockdep_sys_exit
+ .macro TRACE_IRQS_CHECK
+ tm SP_PSW(%r15),0x03 # irqs enabled?
+ jz 0f
+ brasl %r14,trace_hardirqs_on
+ j 1f
+0: brasl %r14,trace_hardirqs_off
+1:
.endm
#else
#define TRACE_IRQS_ON
#define TRACE_IRQS_OFF
+#define TRACE_IRQS_CHECK
+#endif
+
+#ifdef CONFIG_LOCKDEP
+ .macro LOCKDEP_SYS_EXIT
+ tm SP_PSW+1(%r15),0x01 # returning to user ?
+ jz 0f
+ brasl %r14,lockdep_sys_exit
+0:
+ .endm
+#else
#define LOCKDEP_SYS_EXIT
#endif
@@ -222,8 +238,6 @@ sysc_saveall:
llgh %r7,__LC_SVC_INT_CODE # get svc number from lowcore
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
sysc_vtime:
- tm SP_PSW+1(%r15),0x01 # interrupting from user ?
- jz sysc_do_svc
UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
sysc_stime:
UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
@@ -257,19 +271,34 @@ sysc_noemu:
sysc_return:
tm SP_PSW+1(%r15),0x01 # returning to user ?
- jno sysc_leave
+ jno sysc_restore
tm __TI_flags+7(%r9),_TIF_WORK_SVC
jnz sysc_work # there is work to do (signals etc.)
+sysc_restore:
+#ifdef CONFIG_TRACE_IRQFLAGS
+ larl %r1,sysc_restore_trace_psw
+ lpswe 0(%r1)
+sysc_restore_trace:
+ TRACE_IRQS_CHECK
LOCKDEP_SYS_EXIT
+#endif
sysc_leave:
RESTORE_ALL __LC_RETURN_PSW,1
+sysc_done:
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+ .align 8
+ .globl sysc_restore_trace_psw
+sysc_restore_trace_psw:
+ .quad 0, sysc_restore_trace
+#endif
#
# recheck if there is more work to do
#
sysc_work_loop:
tm __TI_flags+7(%r9),_TIF_WORK_SVC
- jz sysc_leave # there is no work to do
+ jz sysc_restore # there is no work to do
#
# One of the work bits is on. Find out which one.
#
@@ -284,8 +313,8 @@ sysc_work:
jo sysc_restart
tm __TI_flags+7(%r9),_TIF_SINGLE_STEP
jo sysc_singlestep
- LOCKDEP_SYS_EXIT
- j sysc_leave
+ j sysc_restore
+sysc_work_done:
#
# _TIF_NEED_RESCHED is set, call schedule
@@ -445,6 +474,7 @@ pgm_check_handler:
pgm_no_vtime:
#endif
lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct
+ TRACE_IRQS_OFF
lgf %r3,__LC_PGM_ILC # load program interruption code
lghi %r8,0x7f
ngr %r8,%r3
@@ -484,6 +514,7 @@ pgm_per_std:
pgm_no_vtime2:
#endif
lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct
+ TRACE_IRQS_OFF
lg %r1,__TI_task(%r9)
tm SP_PSW+1(%r15),0x01 # kernel per event ?
jz kernel_per
@@ -504,12 +535,9 @@ pgm_svcper:
SAVE_ALL_SYNC __LC_SVC_OLD_PSW,__LC_SAVE_AREA
CREATE_STACK_FRAME __LC_SVC_OLD_PSW,__LC_SAVE_AREA
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
- tm SP_PSW+1(%r15),0x01 # interrupting from user ?
- jz pgm_no_vtime3
UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
-pgm_no_vtime3:
#endif
llgh %r7,__LC_SVC_INT_CODE # get svc number from lowcore
lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct
@@ -529,7 +557,7 @@ kernel_per:
lhi %r0,__LC_PGM_OLD_PSW
sth %r0,SP_TRAP(%r15) # set trap indication to pgm check
la %r2,SP_PTREGS(%r15) # address of register-save area
- larl %r14,sysc_leave # load adr. of system ret, no work
+ larl %r14,sysc_restore # load adr. of system ret, no work
jg do_single_step # branch to do_single_step
/*
@@ -554,26 +582,38 @@ io_no_vtime:
TRACE_IRQS_OFF
la %r2,SP_PTREGS(%r15) # address of register-save area
brasl %r14,do_IRQ # call standard irq handler
- TRACE_IRQS_ON
-
io_return:
tm SP_PSW+1(%r15),0x01 # returning to user ?
#ifdef CONFIG_PREEMPT
jno io_preempt # no -> check for preemptive scheduling
#else
- jno io_leave # no-> skip resched & signal
+ jno io_restore # no-> skip resched & signal
#endif
tm __TI_flags+7(%r9),_TIF_WORK_INT
jnz io_work # there is work to do (signals etc.)
+io_restore:
+#ifdef CONFIG_TRACE_IRQFLAGS
+ larl %r1,io_restore_trace_psw
+ lpswe 0(%r1)
+io_restore_trace:
+ TRACE_IRQS_CHECK
LOCKDEP_SYS_EXIT
+#endif
io_leave:
RESTORE_ALL __LC_RETURN_PSW,0
io_done:
+#ifdef CONFIG_TRACE_IRQFLAGS
+ .align 8
+ .globl io_restore_trace_psw
+io_restore_trace_psw:
+ .quad 0, io_restore_trace
+#endif
+
#ifdef CONFIG_PREEMPT
io_preempt:
icm %r0,15,__TI_precount(%r9)
- jnz io_leave
+ jnz io_restore
# switch to kernel stack
lg %r1,SP_R15(%r15)
aghi %r1,-SP_SIZE
@@ -582,12 +622,14 @@ io_preempt:
lgr %r15,%r1
io_resume_loop:
tm __TI_flags+7(%r9),_TIF_NEED_RESCHED
- jno io_leave
+ jno io_restore
larl %r1,.Lc_pactive
mvc __TI_precount(4,%r9),0(%r1)
+ TRACE_IRQS_ON
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
brasl %r14,schedule # call schedule
stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts
+ TRACE_IRQS_OFF
xc __TI_precount(4,%r9),__TI_precount(%r9)
j io_resume_loop
#endif
@@ -613,37 +655,39 @@ io_work_loop:
jo io_reschedule
tm __TI_flags+7(%r9),(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK)
jnz io_sigpending
- LOCKDEP_SYS_EXIT
- j io_leave
+ j io_restore
+io_work_done:
#
# _TIF_MCCK_PENDING is set, call handler
#
io_mcck_pending:
- TRACE_IRQS_OFF
brasl %r14,s390_handle_mcck # TIF bit will be cleared by handler
- TRACE_IRQS_ON
j io_work_loop
#
# _TIF_NEED_RESCHED is set, call schedule
#
io_reschedule:
+ TRACE_IRQS_ON
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
brasl %r14,schedule # call scheduler
stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts
+ TRACE_IRQS_OFF
tm __TI_flags+7(%r9),_TIF_WORK_INT
- jz io_leave # there is no work to do
+ jz io_restore # there is no work to do
j io_work_loop
#
# _TIF_SIGPENDING or _TIF_RESTORE_SIGMASK is set, call do_signal
#
io_sigpending:
+ TRACE_IRQS_ON
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
la %r2,SP_PTREGS(%r15) # load pt_regs
brasl %r14,do_signal # call do_signal
stnsm __SF_EMPTY(%r15),0xfc # disable I/O and ext. interrupts
+ TRACE_IRQS_OFF
j io_work_loop
/*
@@ -669,7 +713,6 @@ ext_no_vtime:
la %r2,SP_PTREGS(%r15) # address of register-save area
llgh %r3,__LC_EXT_INT_CODE # get interruption code
brasl %r14,do_extint
- TRACE_IRQS_ON
j io_return
__critical_end:
@@ -824,15 +867,15 @@ cleanup_table_system_call:
cleanup_table_sysc_return:
.quad sysc_return, sysc_leave
cleanup_table_sysc_leave:
- .quad sysc_leave, sysc_work_loop
+ .quad sysc_leave, sysc_done
cleanup_table_sysc_work_loop:
- .quad sysc_work_loop, sysc_reschedule
+ .quad sysc_work_loop, sysc_work_done
cleanup_table_io_return:
.quad io_return, io_leave
cleanup_table_io_leave:
.quad io_leave, io_done
cleanup_table_io_work_loop:
- .quad io_work_loop, io_mcck_pending
+ .quad io_work_loop, io_work_done
cleanup_critical:
clc 8(8,%r12),BASED(cleanup_table_system_call)
@@ -901,8 +944,6 @@ cleanup_system_call:
cleanup_vtime:
clc __LC_RETURN_PSW+8(8),BASED(cleanup_system_call_insn+24)
jhe cleanup_stime
- tm SP_PSW+1(%r15),0x01 # interrupting from user ?
- jz cleanup_novtime
UPDATE_VTIME __LC_EXIT_TIMER,__LC_SYNC_ENTER_TIMER,__LC_USER_TIMER
cleanup_stime:
clc __LC_RETURN_PSW+8(8),BASED(cleanup_system_call_insn+32)
@@ -910,7 +951,6 @@ cleanup_stime:
UPDATE_VTIME __LC_LAST_UPDATE_TIMER,__LC_EXIT_TIMER,__LC_SYSTEM_TIMER
cleanup_update:
mvc __LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
-cleanup_novtime:
#endif
mvc __LC_RETURN_PSW+8(8),BASED(cleanup_table_system_call+8)
la %r12,__LC_RETURN_PSW
@@ -949,10 +989,10 @@ cleanup_sysc_leave:
2: la %r12,__LC_RETURN_PSW
br %r14
cleanup_sysc_leave_insn:
+ .quad sysc_done - 4
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
- .quad sysc_leave + 16
+ .quad sysc_done - 8
#endif
- .quad sysc_leave + 12
cleanup_io_return:
mvc __LC_RETURN_PSW(8),0(%r12)
@@ -979,10 +1019,10 @@ cleanup_io_leave:
2: la %r12,__LC_RETURN_PSW
br %r14
cleanup_io_leave_insn:
+ .quad io_done - 4
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
- .quad io_leave + 20
+ .quad io_done - 8
#endif
- .quad io_leave + 16
/*
* Integer constants
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index c4131a817412..50f8f1e3760e 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -492,6 +492,10 @@ static void setup_addressing_mode(void)
printk("S390 address spaces switched, ");
set_amode_and_uaccess(PSW_ASC_PRIMARY, PSW32_ASC_PRIMARY);
}
+#ifdef CONFIG_TRACE_IRQFLAGS
+ sysc_restore_trace_psw.mask = psw_kernel_bits & ~PSW_MASK_MCHECK;
+ io_restore_trace_psw.mask = psw_kernel_bits & ~PSW_MASK_MCHECK;
+#endif
}
static void __init
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-06 05:27:21 +0000