Check return coming out of check_work_pending, and if copy_thread
passed us a function in r24, call it. Based on feedback from Al
Viro.
Signed-off-by: Richard Kuo <rkuo@xxxxxxxxxxxxxx>
---
arch/hexagon/kernel/vm_entry.S | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/hexagon/kernel/vm_entry.S b/arch/hexagon/kernel/vm_entry.S
index 053551e..0de8638 100644
--- a/arch/hexagon/kernel/vm_entry.S
+++ b/arch/hexagon/kernel/vm_entry.S
@@ -371,11 +371,20 @@ _K_enter_machcheck:
.globl ret_from_fork
ret_from_fork:
{
- call schedule_tail;
+ call schedule_tail
R16.H = #HI(do_work_pending);
}
{
+ P0 = cmp.eq(R24, #0);
R16.L = #LO(do_work_pending);
R0 = #VM_INT_DISABLE;
- jump check_work_pending;
+ }
+ if P0 jump check_work_pending
+ {
+ R0 = R25;
+ callr R24
+ }
+ {
+ jump check_work_pending
+ R0 = #VM_INT_DISABLE;
}
--
1.7.9.5
--
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