X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Ftt%2Fprocess_kern.c;fp=arch%2Fum%2Fkernel%2Ftt%2Fprocess_kern.c;h=295c1ac817b34cc6f8d04aeab783539b5004060a;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=1e86f0bfef72b3368eacf491db28166293051bcb;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c
index 1e86f0bfe..295c1ac81 100644
--- a/arch/um/kernel/tt/process_kern.c
+++ b/arch/um/kernel/tt/process_kern.c
@@ -51,13 +51,6 @@ void switch_to_tt(void *prev, void *next)
 
 	c = 0;
 
-	/* Notice that here we "up" the semaphore on which "to" is waiting, and
-	 * below (the read) we wait on this semaphore (which is implemented by
-	 * switch_pipe) and go sleeping. Thus, after that, we have resumed in
-	 * "to", and can't use any more the value of "from" (which is outdated),
-	 * nor the value in "to" (since it was the task which stole us the CPU,
-	 * which we don't care about). */
-
 	err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c));
 	if(err != sizeof(c))
 		panic("write of switch_pipe failed, err = %d", -err);
@@ -84,7 +77,7 @@ void switch_to_tt(void *prev, void *next)
 	change_sig(SIGALRM, alrm);
 	change_sig(SIGPROF, prof);
 
-	arch_switch_to_tt(prev_sched, current);
+	arch_switch();
 
 	flush_tlb_all();
 	local_irq_restore(flags);
@@ -119,7 +112,7 @@ void suspend_new_thread(int fd)
 		panic("read failed in suspend_new_thread, err = %d", -err);
 }
 
-void schedule_tail(struct task_struct *prev);
+void schedule_tail(task_t *prev);
 
 static void new_thread_handler(int sig)
 {
@@ -142,12 +135,13 @@ static void new_thread_handler(int sig)
 		schedule_tail(current->thread.prev_sched);
 	current->thread.prev_sched = NULL;
 
-	init_new_thread_signals();
+	init_new_thread_signals(1);
 	enable_timer();
 	free_page(current->thread.temp_stack);
 	set_cmdline("(kernel thread)");
 
 	change_sig(SIGUSR1, 1);
+	change_sig(SIGVTALRM, 1);
 	change_sig(SIGPROF, 1);
 	local_irq_enable();
 	if(!run_kernel_thread(fn, arg, &current->thread.exec_buf))