linux-kernel - [PATCH 8/9] arm64: add the hardirq flags trace code for irq macros

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Date:	Mon, 30 May 2016 10:52:29 +0800
From:	Huang Shijie <shijie.huang@....com>
To:	<catalin.marinas@....com>
CC:	<will.deacon@....com>, <nd@....com>, <mark.rutland@....com>,
	<marc.zyngier@....com>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <steve.capper@....com>,
	<cmetcalf@...lanox.com>, Huang Shijie <shijie.huang@....com>
Subject: [PATCH 8/9] arm64: add the hardirq flags trace code for irq macros

This patch adds the hardirq flags trace code for irq macros.

Signed-off-by: Huang Shijie <shijie.huang@....com>
---
 arch/arm64/include/asm/assembler.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 10b017c..0be1d29 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -34,9 +34,15 @@
  */
 	.macro	disable_irq
 	msr	daifset, #2
+#ifdef CONFIG_TRACE_IRQFLAGS
+	bl	trace_hardirqs_off
+#endif
 	.endm
 
 	.macro	enable_irq
+#ifdef CONFIG_TRACE_IRQFLAGS
+	bl	trace_hardirqs_on
+#endif
 	msr	daifclr, #2
 	.endm
 
@@ -75,6 +81,9 @@
  * are self-synchronising.
  */
 	.macro	enable_dbg_and_irq
+#ifdef CONFIG_TRACE_IRQFLAGS
+	bl	trace_hardirqs_on
+#endif
 	msr	daifclr, #(8 | 2)
 	.endm
 
-- 
2.5.5