linux-kernel - Re: PATCH: Update disable_IO_APIC to use 8-bit destination field (X86

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Message-Id: <1169226853.6467.16.camel@ustr-romerbm-2.na.uis.unisys.com>
Date:	Fri, 19 Jan 2007 12:14:13 -0500
From:	Benjamin Romer <benjamin.romer@...sys.com>
To:	Randy Dunlap <rdunlap@...otime.net>
Cc:	vgoyal@...ibm.com, "Eric W. Biederman" <ebiederm@...ssion.com>,
	linux-kernel@...r.kernel.org
Subject: Re: PATCH: Update disable_IO_APIC to use 8-bit destination field 
	(X86_64)

On Fri, 2007-01-19 at 07:43 -0800, Randy Dunlap wrote:
> On Fri, 19 Jan 2007 10:11:10 -0500 Benjamin Romer wrote:
> 
> > On Fri, 2007-01-19 at 09:19 +0530, Vivek Goyal wrote:
> > > On Thu, Jan 18, 2007 at 02:13:39PM -0500, Benjamin Romer wrote:
> > > [..]
> > > > > >
> > > > > > OK, here's the updated patch that uses the new definition and fixes up
> > > > > > the other places that use it. I built and tested this on the ES7000/ONE
> > > > > > and it works well. :)
> > > > >
> > > > > Cool.
> > > > >
> > > > > I hate to pick nits by why the double underscore on dest?
> > > > >
> > > > 
> > > > It was defined that way in the updated structure definition you sent in
> > > > a previous mail, so I figured you wanted it that way. Here's another
> > > > revision with the double underscores removed. :)
> > > > 
> > > > -- Ben
> > > > 
> > > 
> > > This patch looks good to me. You might want to provide some description
> > > too for changelog.
> > > 
> > > Thanks
> > > Vivek
> > 
> > A simple description would look something like:
> > 
> > - Updated 4-bit IO-APIC physical dest field to 8-bit dest field for
> > xAPIC; fixes ES7000/ONE kexec timer hang
> > 
> > Is there a changelog file in the kernel for kexec somewhere, or does
> > this belong in the source file's comments somewhere? I can fix up the
> > patch as soon as I know where the right spot for the description is. :)
> 
> We use a source code management system for changelogs. (git)
> 
> Patch comments (changelog info) go in the email at the top of the
> patch.  See Documentation/SubmittingPatches and
> http://www.zip.com.au/~akpm/linux/patches/stuff/tpp.txt
> and http://linux.yyz.us/patch-format.html for more info.
> 
> ---
> ~Randy

Thanks for the pointers! I've bookmarked them for future reference, and
sent a new patch that follows the guidelines. :)

-- Ben

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