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Commit 36fac0a2 authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds
Browse files

signals: kill sigfindinword() 



It has no users and it doesn't look useful.  I do not know why/when it was
introduced, I can't even find any user in the git history.

Signed-off-by: default avatarOleg Nesterov <oleg@redhat.com>
Acked-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 650226bd

arch/m68k/include/asm/signal.h

+0 −9
Original line number Diff line number Diff line
@@ -60,15 +60,6 @@ static inline int __gen_sigismember(sigset_t *set, int _sig) 
	 __const_sigismember(set,sig) :		\

	 __gen_sigismember(set,sig))



static inline int sigfindinword(unsigned long word)

{

	asm ("bfffo %1{#0,#0},%0"

		: "=d" (word)

		: "d" (word & -word)

		: "cc");

	return word ^ 31;

}



#endif /* !CONFIG_CPU_HAS_NO_BITFIELDS */



#ifndef __uClinux__

arch/x86/include/asm/signal.h

+0 −6
Original line number Diff line number Diff line
@@ -92,12 +92,6 @@ static inline int __gen_sigismember(sigset_t *set, int _sig) 
	 ? __const_sigismember((set), (sig))	\

	 : __gen_sigismember((set), (sig)))



static inline int sigfindinword(unsigned long word)

{

	asm("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc");

	return word;

}



struct pt_regs;



#else /* __i386__ */

include/linux/signal.h

+0 −5
Original line number Diff line number Diff line
@@ -63,11 +63,6 @@ static inline int sigismember(sigset_t *set, int _sig) 
		return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));

}



static inline int sigfindinword(unsigned long word)

{

	return ffz(~word);

}



#endif /* __HAVE_ARCH_SIG_BITOPS */



static inline int sigisemptyset(sigset_t *set)