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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 <rkuo@codeaurora.org>
This commit is contained in:
Richard Kuo 2012-10-23 18:26:01 -05:00
parent 1ce81f4f87
commit 3981c4728b
1 changed files with 11 additions and 2 deletions
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13
arch/hexagon/kernel/vm_entry.S
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@ -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;
}