[PATCH] uml: _switch_to code consolidation

This patch moves code that is in both switch_to_tt and switch_to_skas to the
top level _switch_to function, keeping us from duplicating code.  It is
required for the stack trace patch to work properly.

Signed-off-by: Allan Graves <allan.graves@gmail.com>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike
2005-09-16 19:27:43 -07:00
committed by Linus Torvalds
parent 6add9f7f52
commit f6e34c6af6
5 changed files with 14 additions and 16 deletions

View File

@ -26,7 +26,7 @@
#include "init.h"
#include "tt.h"
void *switch_to_tt(void *prev, void *next, void *last)
int switch_to_tt(void *prev, void *next, void *last)
{
struct task_struct *from, *to, *prev_sched;
unsigned long flags;
@ -36,8 +36,6 @@ void *switch_to_tt(void *prev, void *next, void *last)
from = prev;
to = next;
to->thread.prev_sched = from;
cpu = from->thread_info->cpu;
if(cpu == 0)
forward_interrupts(to->thread.mode.tt.extern_pid);
@ -53,7 +51,6 @@ void *switch_to_tt(void *prev, void *next, void *last)
forward_pending_sigio(to->thread.mode.tt.extern_pid);
c = 0;
set_current(to);
err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c));
if(err != sizeof(c))
@ -85,8 +82,6 @@ void *switch_to_tt(void *prev, void *next, void *last)
flush_tlb_all();
local_irq_restore(flags);
return(current->thread.prev_sched);
}
void release_thread_tt(struct task_struct *task)