linux-kernel - Re: [PATCH] x86: fix probe_nr

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Message-ID: <20080822134410.GA7351@lenovo>
Date:	Fri, 22 Aug 2008 17:44:10 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Yinghai Lu <yhlu.kernel@...il.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Alex Nixon <alex.nixon@...rix.com>,
	Alan Mayer <ajm@....com>
Subject: Re: [PATCH] x86: fix probe_nr_irqs for xen

[Ingo Molnar - Fri, Aug 22, 2008 at 07:16:56AM +0200]
| 
| * Yinghai Lu <yhlu.kernel@...il.com> wrote:
| 
| > > But by all means SPARSEIRQ is the primary and only model on x86.
| > >
| > > We could even plug in the dynamic vector allocator from Alan Mayer 
| > > now, both on 32-bit and on 64-bit x86: Yinghai, any complications 
| > > expected there? I guess we need to unify the local APIC code first.
| > 
| > apic_32.c and apic_64.c
| > irqinit_32.c and irqinit_64.c
| > irq_32.c and irq_64.c
| > 
| > Cyrill, is still working on merging apic_32.c apic_64.c.?
| 
| there's a few weeks of inactivity expected in that area i think - so if 
| you'd like to pick it up from there, feel free ...
| 
| but apic_32/64.c is looking already pretty good in tip/master:
| 
|  1 file changed, 391 insertions(+), 358 deletions(-)
| 
| the most significant bit of that delta seems to be around x2apic, 
| calibration differences and some older 32-bit legacies which are not on 
| the 64-bit side (but which we can add safely).
| 
| 	Ingo
| 

Yes - I will be busy for a few weeks with other duties, sorry for
that. There not that much diff rest:

- apic clock calibration
- x2apic operations
- interrupt handlers (different declarations)
- command line handling

ugh... maybe not that small heap of todo's :)

Anyway - before sending patches I'll fetch tip/x86/apic
branch so no problem if someone bring any changes into
the branch.

		- Cyrill -
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