From: Chuck Ebbert <76306.1226@compuserve.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH][2.4] Move common_irq() code to a better place
Date: Fri, 18 Apr 2003 07:25:47 -0400 [thread overview]
Message-ID: <200304180729_MC3-1-34EE-CBE9@compuserve.com> (raw)
This patch moves the common_irq() code to after the first 16
interrupt handler stubs, allowing the first 29 or so stubs to pack
better into cache lines. (I sent it to l-k already but didn't label it
as a patch.)
--- linux-2.4.20aa1/arch/i386/kernel/i8259.c Tue Sep 18 02:03:09 2001
+++ linux-2.4.20irq/arch/i386/kernel/i8259.c Thu Apr 17 22:22:12 2003
@ -35,8 +35,6 @
* interrupt-controller happy.
*/
-BUILD_COMMON_IRQ()
-
#define BI(x,y) \
BUILD_IRQ(x##y)
@ -52,6 +50,8 @
*/
BUILD_16_IRQS(0x0)
+BUILD_COMMON_IRQ()
+
#ifdef CONFIG_X86_IO_APIC
/*
* The IO-APIC gives us many more interrupt sources. Most of these
------
Chuck
reply other threads:[~2003-04-18 11:17 UTC|newest]
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