Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override. | KernelTrap

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override.

view
thread

!MAILaRCHIVE_VOTE_RePLACE

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

[view in full thread]

From: Ingo Molnar <mingo@...>

To: H. Peter Anvin <hpa@...>

Cc: Christer Weinigel <christer@...>, Alan Cox <alan@...>, David P. Reed <dpreed@...>, Rene Herman <rene.herman@...>, Paul Rolland <rol@...>, Pavel Machek <pavel@...>, Thomas Gleixner <tglx@...>, <linux-kernel@...>, Ingo Molnar <mingo@...>, <rol@...>

Subject: Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override.

Date: Wednesday, January 2, 2008 - 6:00 am

* H. Peter Anvin <hpa@zytor.com> wrote:

quoted text> Christer Weinigel wrote:
>>
>> out 80h, al is only two bytes.  Any alternative that has been suggested
>> in this discussion will use more space.  mov dx, alt_port; out dx, al
>> will be larger, a function call will definitely be a lot larger. People
>> have been making changes to the kernel to save a couple of hundred
>> bytes of text size.
>>
>
> If text size becomes a problem in this case, then we can use an 
> alternatives-like mechanism to fix up the kernel.  However, 
> realistically this probably should be a function call *combined with* 
> the out and in; that reduces the impact somewhat.

and that's exactly what x86.git#mm does now.

	Ingo
--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., David P. Reed, (Tue Jan 1, 11:59 am)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Pavel Machek, (Tue Jan 1, 1:31 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., David P. Reed, (Tue Jan 1, 1:33 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Alan Cox, (Tue Jan 1, 12:15 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., H. Peter Anvin, (Tue Jan 1, 5:15 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Rene Herman, (Tue Jan 1, 5:35 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., H. Peter Anvin, (Tue Jan 1, 5:44 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Maciej W. Rozycki, (Wed Jan 9, 1:27 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., H. Peter Anvin, (Wed Jan 9, 2:18 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Rene Herman, (Tue Jan 1, 6:35 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., H. Peter Anvin, (Tue Jan 1, 6:39 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Rene Herman, (Tue Jan 1, 7:11 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Christer Weinigel, (Tue Jan 1, 8:55 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., H. Peter Anvin, (Tue Jan 1, 10:27 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Rene Herman, (Tue Jan 1, 9:00 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Rene Herman, (Tue Jan 1, 8:25 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., David P. Reed, (Tue Jan 1, 1:32 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Alan Cox, (Tue Jan 1, 1:38 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Ingo Molnar, (Tue Jan 1, 12:43 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Alan Cox, (Tue Jan 1, 1:32 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Ingo Molnar, (Tue Jan 1, 2:45 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Alan Cox, (Tue Jan 1, 5:07 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Ingo Molnar, (Wed Jan 2, 6:04 am)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Alan Cox, (Wed Jan 2, 9:47 am)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Rene Herman, (Wed Jan 2, 11:35 am)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Rene Herman, (Wed Jan 2, 11:50 am)

Re: [linux-kernel] Re: [PATCH] x86: provide a DMI based port..., David P. Reed, (Wed Jan 2, 9:11 am)

Re: [linux-kernel] Re: [PATCH] x86: provide a DMI based port..., Ingo Molnar, (Wed Jan 2, 9:21 am)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Christer Weinigel, (Tue Jan 1, 4:14 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Alan Cox, (Tue Jan 1, 5:13 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Christer Weinigel, (Tue Jan 1, 1:32 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Ingo Molnar, (Tue Jan 1, 2:46 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Christer Weinigel, (Tue Jan 1, 3:35 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., H. Peter Anvin, (Tue Jan 1, 5:21 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Ingo Molnar, (Wed Jan 2, 6:00 am)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Christer Weinigel, (Tue Jan 1, 7:05 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Alan Cox, (Tue Jan 1, 7:12 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Christer Weinigel, (Tue Jan 1, 8:23 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Ingo Molnar, (Tue Jan 1, 5:01 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Christer Weinigel, (Tue Jan 1, 5:42 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., H. Peter Anvin, (Tue Jan 1, 5:50 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Rene Herman, (Tue Jan 1, 5:42 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Alan Cox, (Tue Jan 1, 5:26 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Rene Herman, (Tue Jan 1, 3:59 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., Christer Weinigel, (Tue Jan 1, 4:55 pm)

Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay ove..., H. Peter Anvin, (Tue Jan 1, 5:24 pm)

Navigation

Popular discussions


linux-kernel:
david	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
David Miller	Re: Announce: Linux-next (Or Andrew's dream :-))
Andrea Arcangeli	[PATCH 04 of 12] Moves all mmu notifier methods outside the PT lock (first and not...
Greg Kroah-Hartman	[PATCH 004/196] Chinese: add translation of SubmittingPatches
git:

linux-netdev:
Jarek Poplawski	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
Arjan van de Ven	Re: [GIT]: Networking
Frans Pop	svc: failed to register lockdv1 RPC service (errno 97).
openbsd-misc:

Colocation donated by:

Who's online

There are currently 0 users and 724 guests online.

Syndicate