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Commit b59a9504 authored by Thiemo Seufer's avatar Thiemo Seufer Committed by Ralf Baechle
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De-optimize and decomplicate the spurious interrupt handler. 



Signed-off-by: default avatarThiemo Seufer <ths@networkno.de>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 942b6f62

arch/mips/kernel/entry.S

+5 −8
Original line number Diff line number Diff line
@@ -128,28 +128,25 @@ FEXPORT(syscall_exit_work) 
/*

 * Common spurious interrupt handler.

 */

	.text

	.align  5

LEAF(spurious_interrupt)

	/*

	 * Someone tried to fool us by sending an interrupt but we

	 * couldn't find a cause for it.

	 */

	PTR_LA	t1, irq_err_count

#ifdef CONFIG_SMP

	lui     t1, %hi(irq_err_count)

1:	ll      t0, %lo(irq_err_count)(t1)

1:	ll      t0, (t1)

	addiu   t0, 1

	sc      t0, %lo(irq_err_count)(t1)

	sc      t0, (t1)

#if R10000_LLSC_WAR

	beqzl	t0, 1b

#else

	beqz	t0, 1b

#endif

#else

	lui     t1, %hi(irq_err_count)

	lw      t0, %lo(irq_err_count)(t1)

	lw      t0, (t1)

	addiu   t0, 1

	sw      t0, %lo(irq_err_count)(t1)

	sw      t0, (t1)

#endif

	j	ret_from_irq

	END(spurious_interrupt)