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De-optimize and decomplicate the spurious interrupt handler.

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Thiemo Seufer 20 年之前
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b59a9504cb
共有 1 個文件被更改,包括 5 次插入8 次删除
  1. 5 8
      arch/mips/kernel/entry.S

+ 5 - 8
arch/mips/kernel/entry.S

@@ -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)