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Diffstat (limited to 'arch/um/kernel/skas/process_kern.c')
-rw-r--r--arch/um/kernel/skas/process_kern.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/um/kernel/skas/process_kern.c b/arch/um/kernel/skas/process_kern.c
index 3f70a2e12f0..2135eaf98a9 100644
--- a/arch/um/kernel/skas/process_kern.c
+++ b/arch/um/kernel/skas/process_kern.c
@@ -35,6 +35,8 @@ void switch_to_skas(void *prev, void *next)
switch_threads(&from->thread.mode.skas.switch_buf,
to->thread.mode.skas.switch_buf);
+ arch_switch_to_skas(current->thread.prev_sched, current);
+
if(current->pid == 0)
switch_timers(1);
}
@@ -89,10 +91,17 @@ void fork_handler(int sig)
panic("blech");
schedule_tail(current->thread.prev_sched);
+
+ /* XXX: if interrupt_end() calls schedule, this call to
+ * arch_switch_to_skas isn't needed. We could want to apply this to
+ * improve performance. -bb */
+ arch_switch_to_skas(current->thread.prev_sched, current);
+
current->thread.prev_sched = NULL;
/* Handle any immediate reschedules or signals */
interrupt_end();
+
userspace(&current->thread.regs.regs);
}
@@ -109,6 +118,8 @@ int copy_thread_skas(int nr, unsigned long clone_flags, unsigned long sp,
if(sp != 0) REGS_SP(p->thread.regs.regs.skas.regs) = sp;
handler = fork_handler;
+
+ arch_copy_thread(&current->thread.arch, &p->thread.arch);
}
else {
init_thread_registers(&p->thread.regs.regs);