diff options
| author | David Howells <dhowells@redhat.com> | 2012-05-01 22:31:33 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-06-01 18:59:37 +0200 |
| commit | 1e5ef91556d0985e765252754ca90595deafb793 (patch) | |
| tree | 252de12100a862b53054081d6f6266985dc2224c /arch/frv/kernel | |
| parent | FRV: Prevent syscall exit tracing and notify_resume at end of kernel exceptions (diff) | |
| download | linux-1e5ef91556d0985e765252754ca90595deafb793.tar.xz linux-1e5ef91556d0985e765252754ca90595deafb793.zip | |
FRV: Shrink TIF_WORK_MASK [ver #2]
Shrink TIF_WORK_MASK so that it will fit in the 12-bit signed immediate
operand field of an ANDI instruction.
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/frv/kernel')
| -rw-r--r-- | arch/frv/kernel/entry.S | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index ff3092c18ca2..03da263e112a 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -924,9 +924,7 @@ __syscall_exit: movgs gr23,psr ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_ALLWORK_MASK),gr5 - setlo %lo(_TIF_ALLWORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_ALLWORK_MASK,gr0,icc0 bne icc0,#0,__syscall_exit_work # restore all registers and return @@ -1111,9 +1109,7 @@ __entry_resume_userspace: __entry_return_from_user_interrupt: LEDS 0x6402 ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_WORK_MASK),gr5 - setlo %lo(_TIF_WORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_WORK_MASK,gr0,icc0 beq icc0,#1,__entry_return_direct __entry_work_pending: @@ -1133,9 +1129,7 @@ __entry_work_resched: LEDS 0x6401 ldi @(gr15,#TI_FLAGS),gr4 - sethi.p %hi(_TIF_WORK_MASK),gr5 - setlo %lo(_TIF_WORK_MASK),gr5 - andcc gr4,gr5,gr0,icc0 + andicc gr4,#_TIF_WORK_MASK,gr0,icc0 beq icc0,#1,__entry_return_direct andicc gr4,#_TIF_NEED_RESCHED,gr0,icc0 bne icc0,#1,__entry_work_resched |