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Commit 3981c472 authored by Richard Kuo's avatar Richard Kuo
Browse files

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: default avatarRichard Kuo <rkuo@codeaurora.org>
parent 1ce81f4f

arch/hexagon/kernel/vm_entry.S

+11 −2
Original line number Diff line number Diff line
@@ -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;

	}