From: shijie.huang@arm.com (Huang Shijie)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 8/9] arm64: add the hardirq flags trace code for irq macros
Date: Mon, 30 May 2016 10:52:29 +0800 [thread overview]
Message-ID: <1464576750-25160-9-git-send-email-shijie.huang@arm.com> (raw)
In-Reply-To: <1464576750-25160-1-git-send-email-shijie.huang@arm.com>
This patch adds the hardirq flags trace code for irq macros.
Signed-off-by: Huang Shijie <shijie.huang@arm.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
next prev parent reply other threads:[~2016-05-30 2:52 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-30 2:52 [PATCH 0/9] arm64: add more accurate code for tracing the hardirq flags changes Huang Shijie
2016-05-30 2:52 ` [PATCH 1/9] arm64: entry: use the callee-saved registers to save some registers Huang Shijie
2016-05-30 2:52 ` [PATCH 2/9] arm64: entry: add a new macro to restore the registers for syscall Huang Shijie
2016-05-30 2:52 ` [PATCH 3/9] arm64: entry: record the hardirq changes on the entry/exit code Huang Shijie
2016-05-30 2:52 ` [PATCH 4/9] arm64: entry: remove the duplicated code for tracing the IRQ flags Huang Shijie
2016-05-30 2:52 ` [PATCH 5/9] arm64: entry: only restore the syscall registers once Huang Shijie
2016-05-30 2:52 ` [PATCH 6/9] arm64: entry: adjust el1_sync so that a function can be called Huang Shijie
2016-05-30 2:52 ` [PATCH 7/9] arm64: entry: save the x0 back into the stack before disabling the interrupt Huang Shijie
2016-05-30 2:52 ` Huang Shijie [this message]
2016-05-30 2:52 ` [PATCH 9/9] arm64: entry: remove the duplicated hardirq flags trace code Huang Shijie
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