litmus-rt.git - The LITMUS^RT kernel.

The LITMUS^RT kernel.

Bjoern Brandenburg

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author	Alexey Dobriyan <adobriyan@sw.ru>	2007-05-08 03:28:41 -0400
committer	Linus Torvalds <torvalds@woody.linux-foundation.org>	2007-05-08 14:15:08 -0400
commit	ffb45122766db220d0bf3d01848d575fbbcb6430 (patch)
tree	a8fedf0518407ad12578a7c03aa2c3344f11ff3c /fs/jbd2
parent	ea07890a680273b25127129fb555aac0d9324bea (diff)

Simplify kallsyms_lookup()

Several kallsyms_lookup() pass dummy arguments but only need, say, module's name. Make kallsyms_lookup() accept NULLs where possible. Also, makes picture clearer about what interfaces are needed for all symbol resolving business. Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Cc: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Diffstat (limited to 'fs/jbd2')

0 files changed, 0 insertions, 0 deletions

24 #define SIGXFSZ 25 #define SIGVTALRM 26 #define SIGPROF 27 #define SIGWINCH 28 #define SIGIO 29 #define SIGPOLL SIGIO /* #define SIGLOST 29 */ #define SIGPWR 30 #define SIGSYS 31 #define SIGUNUSED 31 /* These should not be considered constants from userland. */ #define SIGRTMIN 32 #define SIGRTMAX _NSIG /* * SA_FLAGS values: * * SA_ONSTACK indicates that a registered stack_t will be used. * SA_RESTART flag to get restarting signals (which were the default long ago) * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. * SA_RESETHAND clears the handler when the signal is delivered. * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. * SA_NODEFER prevents the current signal from being masked in the handler. * * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single * Unix names RESETHAND and NODEFER respectively. */ #define SA_NOCLDSTOP 0x00000001 #define SA_NOCLDWAIT 0x00000002 #define SA_SIGINFO 0x00000004 #define SA_ONSTACK 0x08000000 #define SA_RESTART 0x10000000 #define SA_NODEFER 0x40000000 #define SA_RESETHAND 0x80000000 #define SA_NOMASK SA_NODEFER #define SA_ONESHOT SA_RESETHAND #define SA_RESTORER 0x04000000 /* * sigaltstack controls */ #define SS_ONSTACK 1 #define SS_DISABLE 2 #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 #include <asm-generic/signal.h> #ifdef __KERNEL__ struct old_sigaction { __sighandler_t sa_handler; old_sigset_t sa_mask; unsigned long sa_flags; void (*sa_restorer)(void); }; struct sigaction { __sighandler_t sa_handler; unsigned long sa_flags; void (*sa_restorer)(void); sigset_t sa_mask; /* mask last for extensibility */ }; struct k_sigaction { struct sigaction sa; }; #define ptrace_signal_deliver(regs, cookie) do { } while (0) #else /* Here we must cater to libcs that poke about in kernel headers. */ struct sigaction { union { __sighandler_t _sa_handler; void (*_sa_sigaction)(int, struct siginfo *, void *); } _u; #ifndef __s390x__ /* lovely */ sigset_t sa_mask; unsigned long sa_flags; void (*sa_restorer)(void); #else /* __s390x__ */ unsigned long sa_flags; void (*sa_restorer)(void); sigset_t sa_mask; #endif /* __s390x__ */ }; #define sa_handler _u._sa_handler #define sa_sigaction _u._sa_sigaction #endif /* __KERNEL__ */ typedef struct sigaltstack { void __user *ss_sp; int ss_flags; size_t ss_size; } stack_t; #endif


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