Re: hot cache line due to note_interrupt()

From: Jack Steiner
Date: Fri Nov 14 2003 - 13:12:50 EST


On Fri, Nov 14, 2003 at 09:57:37AM -0800, Andrew Morton wrote:
> Jack Steiner <steiner@xxxxxxx> wrote:
> >
> > Probably too late for 2.6.0
>
> Hard to see how it can break anything; I'll queue it up, thanks.
>
> > but here is a patch that disables noirqdebug:
>
> No update to Documentation/kernel-parameters.txt! No cookie for you.

Do I get my cookie now :-)


# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.1439 -> 1.1440
# Documentation/kernel-parameters.txt 1.31 -> 1.32
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 03/11/14 steiner@xxxxxxxxxxxxxxxxxxxxxxx 1.1440
# Update documentation for irqdebug.
# --------------------------------------------
#
diff -Nru a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
--- a/Documentation/kernel-parameters.txt Fri Nov 14 12:09:40 2003
+++ b/Documentation/kernel-parameters.txt Fri Nov 14 12:09:40 2003
@@ -427,6 +427,9 @@
ips= [HW,SCSI] Adaptec / IBM ServeRAID controller
See header of drivers/scsi/ips.c.

+ irqdebug [IA-32] Enables the code which attempts to detect and
+ disable unhandled interrupt sources.
+
isapnp= [ISAPNP]
Format: <RDP>, <reset>, <pci_scan>, <verbosity>

@@ -624,9 +627,6 @@
no-hlt [BUGS=IA-32] Tells the kernel that the hlt
instruction doesn't work correctly and not to
use it.
-
- noirqdebug [IA-32] Disables the code which attempts to detect and
- disable unhandled interrupt sources.

noisapnp [ISAPNP] Disables ISA PnP code.

--
Thanks

Jack Steiner (steiner@xxxxxxx) 651-683-5302
Principal Engineer SGI - Silicon Graphics, Inc.


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