LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: "Jan Beulich" <jbeulich@novell.com>
To: "Ingo Molnar" <mingo@elte.hu>
Cc: <linux-kernel@vger.kernel.org>,
	"Jeremy Fitzhardinge" <jeremy@xensource.com>
Subject: Re: [PATCH] adjust/fix LDT handling for Xen
Date: Mon, 14 Jan 2008 16:06:45 +0000	[thread overview]
Message-ID: <478B96A5.76E4.0078.0@novell.com> (raw)
In-Reply-To: <20080114154817.GA14000@elte.hu>

>>> Ingo Molnar <mingo@elte.hu> 14.01.08 16:48 >>>
>
>* Jan Beulich <jbeulich@novell.com> wrote:
>
>> Don't rely on kmalloc(PAGE_SIZE) returning PAGE_SIZE aligned memory 
>> (Xen requires GDT *and* LDT to be page-aligned). Using the page 
>> allocator interface also removes the (albeit small) slab allocator 
>> overhead. The same change being done for 64-bits for consistency.
>> 
>> Further, the Xen hypercall interface expects the LDT address to be 
>> virtual, not machine.
>
>coul dyou try this against x86.git as well? We already unified ldt.c as 
>part of the paravirt patches.

Sure, but it may take me a little while.

Jan


  reply	other threads:[~2008-01-14 16:06 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-11  9:22 [PATCH] adjust/fix LDT handling for Xen Jan Beulich
2008-01-11  9:39 ` Jiri Slaby
2008-01-11 10:08   ` Jan Beulich
2008-01-11 17:28 ` Jeremy Fitzhardinge
2008-01-14  8:22   ` Jan Beulich
2008-01-14 15:48 ` Ingo Molnar
2008-01-14 16:06   ` Jan Beulich [this message]
2008-01-14 17:04     ` Jeremy Fitzhardinge
2008-01-15 13:24       ` Ingo Molnar
2008-01-15 21:47         ` Jeremy Fitzhardinge

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=478B96A5.76E4.0078.0@novell.com \
    --to=jbeulich@novell.com \
    --cc=jeremy@xensource.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    /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).