linux-kernel - Re: [RFC PATCH 0/7] x86/entry: Create a home for the x86 entry code in arch/x86/entry/

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Message-ID: <20150603171332.GD14389@gmail.com>
Date:	Wed, 3 Jun 2015 19:13:32 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Brian Gerst <brgerst@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Borislav Petkov <bp@...en8.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RFC PATCH 0/7] x86/entry: Create a home for the x86 entry code
 in arch/x86/entry/


* Andy Lutomirski <luto@...capital.net> wrote:

> On Wed, Jun 3, 2015 at 10:07 AM, Andy Lutomirski <luto@...capital.net> wrote:
> > On Wed, Jun 3, 2015 at 9:59 AM, Ingo Molnar <mingo@...nel.org> wrote:
> >> So the x86 syscall/irq/etc. entry code is scattered in
> >> over 40 files all over the x86 architecture, making it
> >> hard to get a good overview of the code and its current
> >> status.
> >>
> >> Move all the files to arch/x86/entry/.
> >>
> >> This first step is as-is, no file names were changed - but the next
> >> step will be to organize things in a bit more maintainable fashion.
> >
> > Sort of like this?
> >
> > https://git.kernel.org/cgit/linux/kernel/git/luto/linux.git/commit/?h=x86/entry&id=d9e37f908e8788c6d50959257f95e279ebdc821d
> >
> > /me cringes at the impending rebase.
> >
> > Anyway, I like this series except patch 7.
> >
> 
> I can't count.  I mean all except patch 3 (the vdso one), not 7.
> 
> Although arch/x86/entry might be less of a mouthful.

So see my reply to hpa: it makes sense to collect all things system calls and 
other entry code in a single place, instead of having it scattered all around.

Its internal organization is kept intact, so the vDSO code isn't mixed with other 
bits.

Thanks,

	Ingo
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