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Commit 3e66701c authored by Richard Weinberger's avatar Richard Weinberger
Browse files

xtensa: 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 cb418fdb

arch/xtensa/include/asm/thread_info.h

+0 −2
Original line number Diff line number Diff line
@@ -44,7 +44,6 @@ typedef struct xtregs_coprocessor { 


struct thread_info {

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

	struct exec_domain	*exec_domain;	/* execution domain */

	unsigned long		flags;		/* low level flags */

	unsigned long		status;		/* thread-synchronous flags */

	__u32			cpu;		/* current CPU */
@@ -72,7 +71,6 @@ 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/xtensa/kernel/signal.c

+2 −9
Original line number Diff line number Diff line
@@ -336,7 +336,6 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, 
{

	struct rt_sigframe *frame;

	int err = 0, sig = ksig->sig;

	int signal;

	unsigned long sp, ra, tp;



	sp = regs->areg[1];
@@ -354,12 +353,6 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, 
		return -EFAULT;

	}



	signal = current_thread_info()->exec_domain

		&& current_thread_info()->exec_domain->signal_invmap

		&& sig < 32

		? current_thread_info()->exec_domain->signal_invmap[sig]

		: sig;



	if (ksig->ka.sa.sa_flags & SA_SIGINFO) {

		err |= copy_siginfo_to_user(&frame->info, &ksig->info);

	}
@@ -400,7 +393,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, 
	 * Note: PS.CALLINC is set to one by start_thread

	 */

	regs->areg[4] = (((unsigned long) ra) & 0x3fffffff) | 0x40000000;

	regs->areg[6] = (unsigned long) signal;

	regs->areg[6] = (unsigned long) sig;

	regs->areg[7] = (unsigned long) &frame->info;

	regs->areg[8] = (unsigned long) &frame->uc;

	regs->threadptr = tp;
@@ -412,7 +405,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, 


#if DEBUG_SIG

	printk("SIG rt deliver (%s:%d): signal=%d sp=%p pc=%08x\n",

		current->comm, current->pid, signal, frame, regs->pc);

		current->comm, current->pid, sig, frame, regs->pc);

#endif



	return 0;