Commit fd223849 authored Jul 13, 2014 by Richard Weinberger

um: 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: Richard Weinberger <richard@nod.at>

parent 89f191b3

arch/um/include/asm/thread_info.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -14,7 +14,6 @@

		struct thread_info {
		struct task_struct task; / main task structure */
		struct exec_domain exec_domain; / execution domain */
		unsigned long flags; /* low level flags */
		__u32 cpu; /* current CPU */
		int preempt_count; /* 0 => preemptable,
		@@ -28,7 +27,6 @@ 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/x86/um/signal.c

+0 −7

Original line number	Diff line number	Diff line
		@@ -549,13 +549,6 @@ int setup_signal_stack_si(unsigned long stack_top, struct ksignal *ksig,
		if (err)
		return err;

		/* Set up registers for signal handler */
		{
		struct exec_domain *ed = current_thread_info()->exec_domain;
		if (unlikely(ed && ed->signal_invmap && sig < 32))
		sig = ed->signal_invmap[sig];
		}

		PT_REGS_SP(regs) = (unsigned long) frame;
		PT_REGS_DI(regs) = sig;
		/* In case the signal handler was declared without prototypes */