Commit 94090f41 authored by Tiwei Bie's avatar Tiwei Bie Committed by Richard Weinberger
Browse files

um: Remove unused fields from thread_struct 



These fields are no longer used since the removal of tt mode.

Signed-off-by: default avatarTiwei Bie <tiwei.btw@antgroup.com>
Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 669afa4e

arch/um/include/asm/processor-generic.h

+5 −15
Original line number Diff line number Diff line
@@ -28,20 +28,10 @@ struct thread_struct { 
	struct arch_thread arch;

	jmp_buf switch_buf;

	struct {

		int op;

		union {

			struct {

				int pid;

			} fork, exec;

		struct {

			int (*proc)(void *);

			void *arg;

		} thread;

			struct {

				void (*proc)(void *);

				void *arg;

			} cb;

		} u;

	} request;

};
@@ -51,7 +41,7 @@ struct thread_struct { 
	.fault_addr		= NULL, \

	.prev_sched		= NULL, \

	.arch			= INIT_ARCH_THREAD, \

	.request		= { 0 } \

	.request		= { } \

}



/*

arch/um/kernel/process.c

+4 −4
Original line number Diff line number Diff line
@@ -109,8 +109,8 @@ void new_thread_handler(void) 
		schedule_tail(current->thread.prev_sched);

	current->thread.prev_sched = NULL;



	fn = current->thread.request.u.thread.proc;

	arg = current->thread.request.u.thread.arg;

	fn = current->thread.request.thread.proc;

	arg = current->thread.request.thread.arg;



	/*

	 * callback returns only if the kernel thread execs a process
@@ -158,8 +158,8 @@ int copy_thread(struct task_struct * p, const struct kernel_clone_args *args) 
		arch_copy_thread(&current->thread.arch, &p->thread.arch);

	} else {

		get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp);

		p->thread.request.u.thread.proc = args->fn;

		p->thread.request.u.thread.arg = args->fn_arg;

		p->thread.request.thread.proc = args->fn;

		p->thread.request.thread.arg = args->fn_arg;

		handler = new_thread_handler;

	}

arch/um/kernel/skas/process.c

+2 −2
Original line number Diff line number Diff line
@@ -39,8 +39,8 @@ int __init start_uml(void) 


	init_new_thread_signals();



	init_task.thread.request.u.thread.proc = start_kernel_proc;

	init_task.thread.request.u.thread.arg = NULL;

	init_task.thread.request.thread.proc = start_kernel_proc;

	init_task.thread.request.thread.arg = NULL;

	return start_idle_thread(task_stack_page(&init_task),

				 &init_task.thread.switch_buf);

}