[PATCH v2 04/13 gnumach] pcb: Don't use percpu_assign after gs is set to user

[Damien Zammit]

---
 i386/i386/pcb.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/i386/i386/pcb.c b/i386/i386/pcb.c
index d845b2b2..f217495b 100644
--- a/i386/i386/pcb.c
+++ b/i386/i386/pcb.c
@@ -316,7 +316,11 @@ void stack_handoff(
        stack = current_stack();
        old->kernel_stack = 0;
        new->kernel_stack = stack;
-       percpu_assign(active_thread, new);
+
+       /*
+        *      NB: cannot use percpu_assign here because GS is now switched!
+        */
+       percpu_array[mycpu].active_thread = new;
 
        /*
         *      Switch exception link to point to new
-- 
2.45.2