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From: Andi Kleen <andi@firstfloor.org>
To: Rene Herman <rene.herman@keyaccess.nl>
Cc: "Andi Kleen" <andi@firstfloor.org>, "Ingo Molnar" <mingo@elte.hu>,
	"Wolfram Sang" <w.sang@pengutronix.de>,
	"Linus Torvalds" <torvalds@linux-foundation.org>,
	"Suresh Siddha" <suresh.b.siddha@intel.com>,
	"Wim Van Sebroeck" <wim@iguana.be>,
	"Pádraig Brady" <P@draigBrady.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	"arjan@linux.intel.com" <arjan@linux.intel.com>,
	"roland@redhat.com" <roland@redhat.com>,
	"drepper@redhat.com" <drepper@redhat.com>,
	"mikpe@it.uu.se" <mikpe@it.uu.se>,
	"chrisw@sous-sol.org" <chrisw@sous-sol.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [patch 0/9] x86, xsave: xsave/xrstor support
Date: Fri, 1 Aug 2008 17:44:45 +0200	[thread overview]
Message-ID: <20080801154445.GZ23938@one.firstfloor.org> (raw)
In-Reply-To: <48932975.80508@keyaccess.nl>

On Fri, Aug 01, 2008 at 05:19:17PM +0200, Rene Herman wrote:
> On 01-08-08 16:49, Andi Kleen wrote:
> 
> >>For real ISA at the least, the best fix I feel is just not go grabbing 
> >>resources without anything (ie, ISAPnP) or anyone (ie, the user) telling 
> >
> >Really old systems don't have isapnp. Neither have smbus devices.
> >
> >>us that's where the hardware's at.
> >
> >That would mean the users on these systems would need to add tons
> >of obscure command line options.
> 
> No, it means users on those 1% of systems that are using drivers that 
> break the other 99% would have to for those one or two drivers that do.
> 
> And as said, we don't care.

Not sure who "we" is in this context.

Especially dropping easy support for all smbus devices (which are often like
 this) would seem quite wrong to me. And for real ISA devices there tends to 
be a surprisingly large user base left for those.

The config option Ingo proposed is a good idea though.

Or they can just use 64bit which never defines CONFIG_ISA, but of course
still has to support all the similar smbus drivers.
-Andi


  reply	other threads:[~2008-08-01 15:44 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-29 17:29 [patch 0/9] x86, xsave: xsave/xrstor support Suresh Siddha
2008-07-29 17:29 ` [patch 1/9] x86, xsave: xsave cpuid feature bits Suresh Siddha
2008-07-29 17:29 ` [patch 2/9] x86, xsave: enable xsave/xrstor on cpus with xsave support Suresh Siddha
2008-07-29 17:29 ` [patch 3/9] x86, xsave: context switch support using xsave/xrstor Suresh Siddha
2008-07-29 17:29 ` [patch 4/9] x86, xsave: dynamically allocate sigframes fpstate instead of static allocation Suresh Siddha
2008-07-29 17:29 ` [patch 5/9] x86, xsave: reorganization of signal save/restore fpstate code layout Suresh Siddha
2008-07-29 17:29 ` [patch 6/9] x86, xsave: xsave/xrstor specific routines Suresh Siddha
2008-07-29 17:29 ` [patch 7/9] x86, xsave: struct _fpstate extensions to include extended state information Suresh Siddha
2008-07-29 17:29 ` [patch 8/9] x86, xsave: save/restore the extended state context in sigframe Suresh Siddha
2008-07-29 17:29 ` [patch 9/9] x86, xsave: update xsave header bits during ptrace fpregs set Suresh Siddha
2008-07-29 23:09 ` [patch 0/9] x86, xsave: xsave/xrstor support H. Peter Anvin
2008-07-29 23:29   ` Suresh Siddha
2008-07-29 23:43     ` H. Peter Anvin
2008-07-30 10:03       ` Ingo Molnar
2008-07-30 16:31         ` H. Peter Anvin
2008-07-30 17:08           ` Suresh Siddha
2008-07-30 17:14             ` H. Peter Anvin
2008-07-30 18:25         ` Ingo Molnar
2008-07-30 21:46           ` Suresh Siddha
2008-07-30 23:41           ` Suresh Siddha
2008-07-31 21:29             ` Ingo Molnar
2008-07-31 21:58               ` Suresh Siddha
2008-07-31 22:14                 ` Andi Kleen
2008-07-31 22:19                   ` Suresh Siddha
2008-07-31 22:36                     ` Andi Kleen
2008-07-31 22:38                     ` Linus Torvalds
2008-07-31 22:50                       ` Ingo Molnar
2008-08-01  2:06                         ` Rene Herman
2008-08-01  9:51                           ` Ingo Molnar
2008-08-01 14:27                             ` Rene Herman
2008-08-01 14:49                               ` Andi Kleen
2008-08-01 15:19                                 ` Rene Herman
2008-08-01 15:44                                   ` Andi Kleen [this message]
2008-08-01 16:03                                     ` Rene Herman
2008-07-31 22:48                     ` Alan Cox
2008-07-31 22:17                 ` Ingo Molnar
2008-08-13 11:00                   ` Ingo Molnar

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