Messages in this thread Patch in this message | | | From | Richard Kuo <> | Subject | [PATCH 2/6] Hexagon: fix up int enable/disable at ret_from_fork | Date | Wed, 3 Apr 2013 19:02:52 -0500 |
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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@codeaurora.org> --- 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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