From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
Andrew Morton <akpm@osdl.org>,
virtualization <virtualization@lists.osdl.org>,
lkml - Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/4] Prep for paravirt: Be careful about touching BIOS address space
Date: Fri, 27 Oct 2006 14:31:41 -0700 [thread overview]
Message-ID: <45427ABD.6070407@goop.org> (raw)
In-Reply-To: <20061027113001.GB8095@elf.ucw.cz>
Pavel Machek wrote:
> Indentation is b0rken here.
>
Oops. How strange.
> And... is get_user right primitive for accessing area that may not be
> there?
I'm pretty sure there's precedent for using __get_user in this way
(get_user is a different matter, since it cares about whether the
address is within the user part of the address space). Certainly in
arch/i386 code there shouldn't be a problem. Is there some other way to
achieve the same effect (without manually setting up an exception/fixup
block)?
J
next prev parent reply other threads:[~2006-10-27 21:31 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-27 3:38 [PATCH 1/4] Prep for paravirt: move pagetable includes Rusty Russell
2006-10-27 3:42 ` [PATCH 1/4] Prep for paravirt: Be careful about touching BIOS address space Rusty Russell
2006-10-27 3:43 ` [PATCH 2/4] Prep for paravirt: cpu_detect extraction Rusty Russell
2006-10-27 3:45 ` [PATCH 3/4] Prep for paravirt: desc.h clearer parameter names, some code motion Rusty Russell
2006-10-27 3:46 ` [PATCH 4/4] Prep for paravirt: rearrange processor.h Rusty Russell
2006-10-29 20:01 ` [PATCH] Re: [PATCH 3/4] Prep for paravirt: desc.h clearer parameter names, some code motion Don Mullis
2006-10-29 21:06 ` Andi Kleen
2006-10-29 21:44 ` Don Mullis
2006-10-29 21:44 ` Don Mullis
2006-10-30 0:05 ` Rusty Russell
2006-10-27 11:30 ` [PATCH 1/4] Prep for paravirt: Be careful about touching BIOS address space Pavel Machek
2006-10-27 21:31 ` Jeremy Fitzhardinge [this message]
2006-10-27 21:41 ` Andrew Morton
2006-10-28 4:33 ` Jeremy Fitzhardinge
2006-10-28 4:33 ` Jeremy Fitzhardinge
2006-10-28 4:50 ` Andrew Morton
2006-10-30 2:35 ` Rusty Russell
2006-10-29 20:01 ` Don Mullis
2006-10-27 10:30 ` [PATCH 1/4] Prep for paravirt: move pagetable includes Zachary Amsden
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