Remove rest of exec domains. (9058f3b3) · Commits · e / devices / android_kernel_samsung_universal8895

include/linux/personality.h

+1 −39

Original line number	Original line	Diff line number	Diff line
	@@ -3,52 +3,14 @@

	#include <uapi/linux/personality.h>		#include <uapi/linux/personality.h>


	/*
	* Handling of different ABIs (personalities).
	*/

	struct exec_domain;
	struct pt_regs;

	extern int register_exec_domain(struct exec_domain *);
	extern int unregister_exec_domain(struct exec_domain *);
	extern int __set_personality(unsigned int);


	/*
	* Description of an execution domain.
	*
	* The first two members are refernced from assembly source
	* and should stay where they are unless explicitly needed.
	*/
	typedef void (handler_t)(int, struct pt_regs );

	struct exec_domain {
	const char name; / name of the execdomain */
	handler_t handler; /* handler for syscalls */
	unsigned char pers_low; /* lowest personality */
	unsigned char pers_high; /* highest personality */
	unsigned long signal_map; / signal mapping */
	unsigned long signal_invmap; / reverse signal mapping */
	struct map_segment err_map; / error mapping */
	struct map_segment socktype_map; / socket type mapping */
	struct map_segment sockopt_map; / socket option mapping */
	struct map_segment af_map; / address family mapping */
	struct module module; / module context of the ed. */
	struct exec_domain next; / linked list (internal) */
	};

	/*		/*
	* Return the base personality without flags.		* Return the base personality without flags.
	*/		*/
	#define personality(pers) (pers & PER_MASK)		#define personality(pers) (pers & PER_MASK)


	/*		/*
	* Change personality of the currently running process.		* Change personality of the currently running process.
	*/		*/
	#define set_personality(pers) \		#define set_personality(pers) (current->personality = (pers))
	((current->personality == (pers)) ? 0 : __set_personality(pers))

	#endif /* _LINUX_PERSONALITY_H */		#endif /* _LINUX_PERSONALITY_H */

include/linux/sched.h

+0 −6

Original line number	Original line	Diff line number	Diff line
	@@ -125,7 +125,6 @@ struct sched_attr {
	u64 sched_period;		u64 sched_period;
	};		};

	struct exec_domain;
	struct futex_pi_state;		struct futex_pi_state;
	struct robust_list_head;		struct robust_list_head;
	struct bio_list;		struct bio_list;
	@@ -2288,11 +2287,6 @@ extern void set_curr_task(int cpu, struct task_struct *p);

	void yield(void);		void yield(void);

	/*
	* The default (Linux) execution domain.
	*/
	extern struct exec_domain default_exec_domain;

	union thread_union {		union thread_union {
	struct thread_info thread_info;		struct thread_info thread_info;
	unsigned long stack[THREAD_SIZE/sizeof(long)];		unsigned long stack[THREAD_SIZE/sizeof(long)];

kernel/exec_domain.c

+0 −37

Original line number	Original line	Diff line number	Diff line
	@@ -20,43 +20,6 @@
	#include <linux/types.h>		#include <linux/types.h>
	#include <linux/fs_struct.h>		#include <linux/fs_struct.h>

	static void default_handler(int, struct pt_regs *);
	static unsigned long ident_map[32] = {
	0, 1, 2, 3, 4, 5, 6, 7,
	8, 9, 10, 11, 12, 13, 14, 15,
	16, 17, 18, 19, 20, 21, 22, 23,
	24, 25, 26, 27, 28, 29, 30, 31
	};

	struct exec_domain default_exec_domain = {
	.name = "Linux", /* name */
	.handler = default_handler, /* lcall7 causes a seg fault. */
	.pers_low = 0, /* PER_LINUX personality. */
	.pers_high = 0, /* PER_LINUX personality. */
	.signal_map = ident_map, /* Identity map signals. */
	.signal_invmap = ident_map, /* - both ways. */
	};


	static void
	default_handler(int segment, struct pt_regs *regp)
	{
	set_personality(0);

	if (current_thread_info()->exec_domain->handler != default_handler)
	current_thread_info()->exec_domain->handler(segment, regp);
	else
	send_sig(SIGSEGV, current, 1);
	}

	int __set_personality(unsigned int personality)
	{
	current->personality = personality;

	return 0;
	}
	EXPORT_SYMBOL(__set_personality);

	#ifdef CONFIG_PROC_FS		#ifdef CONFIG_PROC_FS
	static int execdomains_proc_show(struct seq_file m, void v)		static int execdomains_proc_show(struct seq_file m, void v)
	{		{