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s390: rename CIF_ASCE to CIF_ASCE_PRIMARY

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This is just a preparation patch in order to keep the "restore address
space after syscall" patch small.
Rename CIF_ASCE to CIF_ASCE_PRIMARY to be unique and specific when
introducing a second CIF_ASCE_SECONDARY CIF flag.

Suggested-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2017-02-17 08:12:30 +01:00
committed by Martin Schwidefsky
parent bc49a7831b
commit 606aa4aa0b
3 changed files with 15 additions and 15 deletions
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22
arch/s390/kernel/entry.S
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@@ -50,7 +50,7 @@ _TIF_WORK = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
_TIF_UPROBE)
_TIF_TRACE = (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \
_TIF_SYSCALL_TRACEPOINT)
_CIF_WORK = (_CIF_MCCK_PENDING | _CIF_ASCE | _CIF_FPU)
_CIF_WORK = (_CIF_MCCK_PENDING | _CIF_ASCE_PRIMARY | _CIF_FPU)
_PIF_WORK = (_PIF_PER_TRAP)
#define BASED(name) name-cleanup_critical(%r13)
@@ -339,8 +339,8 @@ ENTRY(system_call)
jo .Lsysc_notify_resume
TSTMSK __LC_CPU_FLAGS,_CIF_FPU
jo .Lsysc_vxrs
TSTMSK __LC_CPU_FLAGS,_CIF_ASCE
jo .Lsysc_uaccess
TSTMSK __LC_CPU_FLAGS,_CIF_ASCE_PRIMARY
jo .Lsysc_asce_primary
j .Lsysc_return # beware of critical section cleanup
#
@@ -358,10 +358,10 @@ ENTRY(system_call)
jg s390_handle_mcck # TIF bit will be cleared by handler
#
# _CIF_ASCE is set, load user space asce
# _CIF_ASCE_PRIMARY is set, load user space asce
#
.Lsysc_uaccess:
ni __LC_CPU_FLAGS+7,255-_CIF_ASCE
.Lsysc_asce_primary:
ni __LC_CPU_FLAGS+7,255-_CIF_ASCE_PRIMARY
lctlg %c1,%c1,__LC_USER_ASCE # load primary asce
j .Lsysc_return
@@ -661,8 +661,8 @@ ENTRY(io_int_handler)
jo .Lio_notify_resume
TSTMSK __LC_CPU_FLAGS,_CIF_FPU
jo .Lio_vxrs
TSTMSK __LC_CPU_FLAGS,_CIF_ASCE
jo .Lio_uaccess
TSTMSK __LC_CPU_FLAGS,_CIF_ASCE_PRIMARY
jo .Lio_asce_primary
j .Lio_return # beware of critical section cleanup
#
@@ -675,10 +675,10 @@ ENTRY(io_int_handler)
j .Lio_return
#
# _CIF_ASCE is set, load user space asce
# _CIF_ASCE_PRIMARY is set, load user space asce
#
.Lio_uaccess:
ni __LC_CPU_FLAGS+7,255-_CIF_ASCE
.Lio_asce_primary:
ni __LC_CPU_FLAGS+7,255-_CIF_ASCE_PRIMARY
lctlg %c1,%c1,__LC_USER_ASCE # load primary asce
j .Lio_return