Commit 3050a35f authored by Richard Weinberger's avatar Richard Weinberger
Browse files

x86: 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 19b6d0b6

arch/x86/include/asm/thread_info.h

+0 −3
Original line number Diff line number Diff line
@@ -19,13 +19,11 @@ 
 */

#ifndef __ASSEMBLY__

struct task_struct;

struct exec_domain;

#include <asm/processor.h>

#include <linux/atomic.h>



struct thread_info {

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

	struct exec_domain	*exec_domain;	/* execution domain */

	__u32			flags;		/* low level flags */

	__u32			status;		/* thread synchronous flags */

	__u32			cpu;		/* current CPU */
@@ -39,7 +37,6 @@ struct thread_info { 
#define INIT_THREAD_INFO(tsk)			\

{						\

	.task		= &tsk,			\

	.exec_domain	= &default_exec_domain,	\

	.flags		= 0,			\

	.cpu		= 0,			\

	.saved_preempt_count = INIT_PREEMPT_COUNT,	\

arch/x86/kernel/signal.c

+1 −15
Original line number Diff line number Diff line
@@ -592,24 +592,10 @@ asmlinkage long sys_rt_sigreturn(void) 
	return 0;

}



/*

 * OK, we're invoking a handler:

 */

static int signr_convert(int sig)

{

#ifdef CONFIG_X86_32

	struct thread_info *info = current_thread_info();



	if (info->exec_domain && info->exec_domain->signal_invmap && sig < 32)

		return info->exec_domain->signal_invmap[sig];

#endif /* CONFIG_X86_32 */

	return sig;

}



static int

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

{

	int usig = signr_convert(ksig->sig);

	int usig = ksig->sig;

	sigset_t *set = sigmask_to_save();

	compat_sigset_t *cset = (compat_sigset_t *) set;