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Commit e6de3ca9 authored by Richard Weinberger's avatar Richard Weinberger
Browse files

arc: Remove signal translation and exec_domain 



As execution domain support is gone we can remove
signal translation from the signal code and remove
exec_domain from thread_info.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 3e66701c

arch/arc/include/asm/thread_info.h

+0 −2
Original line number Diff line number Diff line
@@ -43,7 +43,6 @@ struct thread_info { 
	int preempt_count;		/* 0 => preemptable, <0 => BUG */

	struct task_struct *task;	/* main task structure */

	mm_segment_t addr_limit;	/* thread address space */

	struct exec_domain *exec_domain;/* execution domain */

	__u32 cpu;			/* current CPU */

	unsigned long thr_ptr;		/* TLS ptr */

};
@@ -56,7 +55,6 @@ struct thread_info { 
#define INIT_THREAD_INFO(tsk)			\

{						\

	.task       = &tsk,			\

	.exec_domain    = &default_exec_domain,	\

	.flags      = 0,			\

	.cpu        = 0,			\

	.preempt_count  = INIT_PREEMPT_COUNT,	\

arch/arc/kernel/signal.c

+1 −13
Original line number Diff line number Diff line
@@ -171,18 +171,6 @@ static inline void __user *get_sigframe(struct ksignal *ksig, 
	return frame;

}



/*

 * translate the signal

 */

static inline int map_sig(int sig)

{

	struct thread_info *thread = current_thread_info();

	if (thread->exec_domain && thread->exec_domain->signal_invmap

	    && sig < 32)

		sig = thread->exec_domain->signal_invmap[sig];

	return sig;

}



static int

setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs)

{
@@ -231,7 +219,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) 
		return err;



	/* #1 arg to the user Signal handler */

	regs->r0 = map_sig(ksig->sig);

	regs->r0 = ksig->sig;



	/* setup PC of user space signal handler */

	regs->ret = (unsigned long)ksig->ka.sa.sa_handler;