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Commit 89f191b3 authored by Richard Weinberger's avatar Richard Weinberger
Browse files

tile: 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 14464772

arch/tile/include/asm/thread_info.h

+0 −2
Original line number Diff line number Diff line
@@ -26,7 +26,6 @@ 
 */

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			homecache_cpu;	/* CPU we are homecached on */
@@ -51,7 +50,6 @@ 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/tile/kernel/compat_signal.c

+1 −8
Original line number Diff line number Diff line
@@ -196,19 +196,12 @@ int compat_setup_rt_frame(struct ksignal *ksig, sigset_t *set, 
	unsigned long restorer;

	struct compat_rt_sigframe __user *frame;

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

	int usig;



	frame = compat_get_sigframe(&ksig->ka, regs, sizeof(*frame));



	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))

		goto err;



	usig = current_thread_info()->exec_domain

		&& current_thread_info()->exec_domain->signal_invmap

		&& sig < 32

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

		: sig;



	/* Always write at least the signal number for the stack backtracer. */

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

		/* At sigreturn time, restore the callee-save registers too. */
@@ -243,7 +236,7 @@ int compat_setup_rt_frame(struct ksignal *ksig, sigset_t *set, 
	regs->ex1 = PL_ICS_EX1(USER_PL, 1); /* set crit sec in handler */

	regs->sp = ptr_to_compat_reg(frame);

	regs->lr = restorer;

	regs->regs[0] = (unsigned long) usig;

	regs->regs[0] = (unsigned long) sig;

	regs->regs[1] = ptr_to_compat_reg(&frame->info);

	regs->regs[2] = ptr_to_compat_reg(&frame->uc);

	regs->flags |= PT_FLAGS_CALLER_SAVES;

arch/tile/kernel/signal.c

+1 −8
Original line number Diff line number Diff line
@@ -151,19 +151,12 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, 
	unsigned long restorer;

	struct rt_sigframe __user *frame;

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

	int usig;



	frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));



	if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))

		goto err;



	usig = current_thread_info()->exec_domain

		&& current_thread_info()->exec_domain->signal_invmap

		&& sig < 32

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

		: sig;



	/* Always write at least the signal number for the stack backtracer. */

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

		/* At sigreturn time, restore the callee-save registers too. */
@@ -198,7 +191,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, 
	regs->ex1 = PL_ICS_EX1(USER_PL, 1); /* set crit sec in handler */

	regs->sp = (unsigned long) frame;

	regs->lr = restorer;

	regs->regs[0] = (unsigned long) usig;

	regs->regs[0] = (unsigned long) sig;

	regs->regs[1] = (unsigned long) &frame->info;

	regs->regs[2] = (unsigned long) &frame->uc;

	regs->flags |= PT_FLAGS_CALLER_SAVES;