linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andi Kleen <andi@firstfloor.org>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Xen Devel <xen-devel@lists.xensource.com>,
	Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH 6 of 7] x86: use early_ioremap in __acpi_map_table
Date: Mon, 8 Sep 2008 01:44:18 +0200	[thread overview]
Message-ID: <20080907234418.GB26079@one.firstfloor.org> (raw)
In-Reply-To: <944fe7ea3da7707eb90f.1220826078@localhost>

On Sun, Sep 07, 2008 at 03:21:18PM -0700, Jeremy Fitzhardinge wrote:
> __acpi_map_table() effectively reimplements early_ioremap().  Rather
> than have that duplication, just implement it in terms of
> early_ioremap().
> 
> However, unlike early_ioremap(), __acpi_map_table() just maintains a
> single mapping which gets replaced each call, and has no corresponding
> unmap function.  Implement this by just removing the previous mapping
> each time its called.  Unfortunately, this will leave a stray mapping
> at the end.

It would be better to just fix the ACPI code to unmap.

-Andi

  reply	other threads:[~2008-09-07 23:40 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-09-07 22:21 [PATCH 0 of 7] x86: lay groundwork for Xen domain 0 support Jeremy Fitzhardinge
2008-09-07 22:21 ` [PATCH 1 of 7] x86: add _PAGE_IOMAP pte flag for IO mappings Jeremy Fitzhardinge
2008-09-09 13:32   ` Avi Kivity
2008-09-09 14:47     ` Jeremy Fitzhardinge
2008-09-09 14:56       ` Avi Kivity
2008-09-09 15:29         ` [Xen-devel] " Keir Fraser
2008-09-09 15:48           ` Jeremy Fitzhardinge
2008-09-09 16:05             ` Keir Fraser
2008-09-10  9:55         ` Avi Kivity
2008-09-10 16:38           ` Jeremy Fitzhardinge
2008-09-10 16:55             ` Nick Piggin
2008-09-10 17:27               ` Jeremy Fitzhardinge
2008-09-07 22:21 ` [PATCH 2 of 7] x86: remove duplicate early_ioremap declarations Jeremy Fitzhardinge
2008-09-07 22:21 ` [PATCH 3 of 7] x86: add early_memremap() Jeremy Fitzhardinge
2008-09-07 22:21 ` [PATCH 4 of 7] x86: use early_memremap() in setup.c Jeremy Fitzhardinge
2008-09-07 22:21 ` [PATCH 5 of 7] x86-64: don't check for map replacement Jeremy Fitzhardinge
2008-09-07 22:21 ` [PATCH 6 of 7] x86: use early_ioremap in __acpi_map_table Jeremy Fitzhardinge
2008-09-07 23:44   ` Andi Kleen [this message]
2008-09-08  0:03     ` Jeremy Fitzhardinge
2008-09-08 14:26       ` Ingo Molnar
2008-09-08 16:29         ` Jeremy Fitzhardinge
2008-09-08 19:41         ` Jeremy Fitzhardinge
2008-09-10 11:55         ` Ingo Molnar
2008-09-10 16:49           ` Jeremy Fitzhardinge
2008-09-11  7:33             ` Ingo Molnar
2008-09-11 18:36               ` Jeremy Fitzhardinge
2008-09-11 18:56                 ` Ingo Molnar
2008-09-11 20:34             ` Yinghai Lu
2008-09-11 21:07               ` Jeremy Fitzhardinge
2008-09-12  9:49                 ` Ingo Molnar
2008-09-12 17:31                   ` Yinghai Lu
     [not found]             ` <20080911125748.GA14698@elte.hu>
2008-09-11 21:33               ` [PATCH] acpi: remove final __acpi_map_table mapping before setting acpi_gbl_permanent_mmap Jeremy Fitzhardinge
2008-09-07 22:21 ` [PATCH 7 of 7] x86: always explicitly map acpi memory Jeremy Fitzhardinge
2008-09-07 23:35   ` [Xen-devel] " Yinghai Lu
2008-09-08  0:02     ` Jeremy Fitzhardinge
2008-09-08  0:14       ` Yinghai Lu

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=20080907234418.GB26079@one.firstfloor.org \
    --to=andi@firstfloor.org \
    --cc=hpa@zytor.com \
    --cc=jeremy@goop.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=xen-devel@lists.xensource.com \
    /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;
as well as URLs for NNTP newsgroup(s).