From 3981c4728bcec97f352f8518f05a0015c7df6a3c Mon Sep 17 00:00:00 2001 From: Richard Kuo Date: Tue, 23 Oct 2012 18:26:01 -0500 Subject: [PATCH] Hexagon: fix up int enable/disable at ret_from_fork 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 --- 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 9add73ab57d8..34470911d4a7 100644 --- a/arch/hexagon/kernel/vm_entry.S +++ b/arch/hexagon/kernel/vm_entry.S @@ -374,11 +374,20 @@ _K_enter_debug: .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; }