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/include/asm | |
| 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/include/asm')
| -rw-r--r-- | arch/frv/include/asm/thread_info.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h index 54ab13a0de41..0ff03a33c81e 100644 --- a/arch/frv/include/asm/thread_info.h +++ b/arch/frv/include/asm/thread_info.h @@ -94,8 +94,8 @@ register struct thread_info *__current_thread_info asm("gr15"); #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */ #define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_MEMDIE 17 /* is terminating due to OOM killer */ +#define TIF_POLLING_NRFLAG 6 /* true if poll_idle() is polling TIF_NEED_RESCHED */ +#define TIF_MEMDIE 7 /* is terminating due to OOM killer */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) @@ -105,8 +105,16 @@ register struct thread_info *__current_thread_info asm("gr15"); #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) -#define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ -#define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ +/* work to do on interrupt/exception return */ +#define _TIF_WORK_MASK \ + (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_SINGLESTEP) + +/* work to do on any return to u-space */ +#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_SYSCALL_TRACE) + +#if _TIF_ALLWORK_MASK >= 0x2000 +#error "_TIF_ALLWORK_MASK won't fit in an ANDI now (see entry.S)" +#endif /* * Thread-synchronous status. |