linux-kernel - Re: Subject: [PATCH 1/2] x86: get back 15 vectors

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Message-Id: <1262634353.2700.49.camel@sbs-t61.sc.intel.com>
Date:	Mon, 04 Jan 2010 11:45:53 -0800
From:	Suresh Siddha <suresh.b.siddha@...el.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jesse Brandeburg <jesse.brandeburg@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	NetDEV list <netdev@...r.kernel.org>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
Subject: Re: Subject: [PATCH 1/2] x86: get back 15 vectors

On Mon, 2010-01-04 at 11:35 -0800, Yinghai Lu wrote:
> sth like this?
> 
> Subject: [PATCH 1/2] x86: get back 16 vectors
> 
> -v2: according to hpa that we could start from 0x10
>      according to Eric, we should hold 16 vectors for IRQ MOVE
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> 

Yinghai we have to change IRQ_MOVE_CLEANUP_VECTOR to 0x1f or so. From
the cpu perspective this vector is documented as illegal, so we need to
check if this change will work on the cpu's we have today to get some
confidence.

thanks,
suresh

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