From: "Aneesh Kumar" <aneesh.kumar@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: [PATCH] lockdep-design.txt
Date: Fri, 6 Oct 2006 15:14:44 +0530 [thread overview]
Message-ID: <cc723f590610060244x45d482b3v9a645bc1406ae21a@mail.gmail.com> (raw)
In-Reply-To: <cc723f590610050859l11cdf15cmbfad829872d086e4@mail.gmail.com>
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Hi Ingo,
I was looking at lockdep-desing.txt and i guess i am confused with the
changes with respect to fd7bcea35e7efb108c34ee2b3840942a3749cadb. It
says
+ '.' acquired while irqs enabled
+ '+' acquired in irq context
+ '-' acquired in process context with irqs disabled
+ '?' read-acquired both with irqs enabled and in irq context
+
But the get_usage_chars() function does this for '-'
if (class->usage_mask & LOCKF_ENABLED_HARDIRQS)
*c1 = '-';
So i guess what would be correct would be
'.' acquired while irqs disabled
'+' acquired in irq context
'-' acquired with irqs enabled
'?' read acquired in irq context with irqs enabled.
Is this correct ?
-aneesh
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diff --git a/Documentation/lockdep-design.txt b/Documentation/lockdep-design.txt
index dab123d..4887730 100644
--- a/Documentation/lockdep-design.txt
+++ b/Documentation/lockdep-design.txt
@@ -50,10 +50,10 @@ The bit position indicates hardirq, soft
softirq-read respectively, and the character displayed in each
indicates:
- '.' acquired while irqs enabled
+ '.' acquired while irqs disabled
'+' acquired in irq context
- '-' acquired in process context with irqs disabled
- '?' read-acquired both with irqs enabled and in irq context
+ '-' acquired with irqs enabled
+ '?' read acquired in irq context with irqs enabled.
Unused mutexes cannot be part of the cause of an error.
next parent reply other threads:[~2006-10-06 9:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cc723f590610050859l11cdf15cmbfad829872d086e4@mail.gmail.com>
2006-10-06 9:44 ` Aneesh Kumar [this message]
2006-10-09 6:53 ` Ingo Molnar
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