From: Thomas Gleixner <tglx@linutronix.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>,
"hpa@zytor.com" <hpa@zytor.com>,
"steiner@sgi.com" <steiner@sgi.com>,
"yinghai@kernel.org" <yinghai@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"gorcunov@openvz.org" <gorcunov@openvz.org>
Subject: Re: [patch 1/5] x84_64, apic: Use probe routines to simplify apic selection
Date: Tue, 17 May 2011 15:02:32 +0200 (CEST) [thread overview]
Message-ID: <alpine.LFD.2.02.1105171502190.3078@ionos> (raw)
In-Reply-To: <20110517122836.GA14758@elte.hu>
On Tue, 17 May 2011, Ingo Molnar wrote:
>
> * Suresh Siddha <suresh.b.siddha@intel.com> wrote:
>
> > On Mon, 2011-05-16 at 01:08 -0700, Ingo Molnar wrote:
> > > Ok, looks like a step forward in the right direction.
> > >
> > > Wouldnt it be more self-contained if the probe function returned an apic driver
> > > pointer?
> > >
> > > We could add an __apicdriver section trick to 'know' about all APIC probing
> > > functions - and we'd call them one by one and use the first one that returns a
> > > non-NULL result.
> > >
> > > Then we'd have the generic fallback APIC drivers as well - not marked
> > > __apicdriver but used by the probe function directly.
> > >
> > > Or we could have them as __apicdriver as well, but then the .o link ordering
> > > matters to probing order.
> > >
> >
> > So how does something like the appended look? There are multiple apic
> > driver routines and apic name string that is being looked at by the
> > generic code. So I exported the struct apic * using the section trick.
> >
> > Untested for now. If you are ok, then I will post with a better
> > changelog.
>
> Yeah, this looks very nice to me.
Ditto.
next prev parent reply other threads:[~2011-05-17 13:02 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-13 18:04 [patch 0/5] x2apic cluster optimization patches Suresh Siddha
2011-05-13 18:04 ` [patch 1/5] x84_64, apic: Use probe routines to simplify apic selection Suresh Siddha
2011-05-16 8:08 ` Ingo Molnar
2011-05-16 8:45 ` Cyrill Gorcunov
2011-05-16 9:03 ` Ingo Molnar
2011-05-16 9:48 ` Cyrill Gorcunov
2011-05-16 23:51 ` Suresh Siddha
2011-05-17 12:28 ` Ingo Molnar
2011-05-17 13:02 ` Thomas Gleixner [this message]
2011-05-19 23:54 ` Suresh Siddha
2011-05-13 18:04 ` [patch 2/5] x86, x2apic: Remove duplicate code for IPI mask routines Suresh Siddha
2011-05-13 18:04 ` [patch 3/5] x86, x2apic: Track the x2apic cluster sibling map Suresh Siddha
2011-05-13 18:04 ` [patch 4/5] x86, x2apic: Minimize IPI register writes using cluster groups Suresh Siddha
2011-05-13 18:04 ` [patch 5/5] x86, x2apic: Move the common bits to x2apic.h Suresh Siddha
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=alpine.LFD.2.02.1105171502190.3078@ionos \
--to=tglx@linutronix.de \
--cc=gorcunov@openvz.org \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=steiner@sgi.com \
--cc=suresh.b.siddha@intel.com \
--cc=yinghai@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox