From: Andi Kleen <andi@firstfloor.org>
To: Avi Kivity <avi@qumranet.com>
Cc: Andrew Morton <akpm@osdl.org>, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org, Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH] Make LIST_POISON less deadly (v3)
Date: Tue, 20 May 2008 17:15:36 +0200 [thread overview]
Message-ID: <87fxsdgg6f.fsf@basil.nowhere.org> (raw)
In-Reply-To: <1211283565-30671-1-git-send-email-avi@qumranet.com> (Avi Kivity's message of "Tue, 20 May 2008 14:39:25 +0300")
Avi Kivity <avi@qumranet.com> writes:
>
> +config ILLEGAL_POINTER_VALUE
> + hex
> + default 0 if X86_32
> + default 0xffffc10000000000 if X86_64
Don't make it exactly 0xffffc10000000000 but 0xffffc10000000000 + 0x1000000
or so, otherwise list_entry() users which subtract offsets would still
end up in user space and there might be actually something in there
by default.
-Andi
next prev parent reply other threads:[~2008-05-20 15:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-20 11:39 [PATCH] Make LIST_POISON less deadly (v3) Avi Kivity
2008-05-20 11:55 ` Ingo Molnar
2008-05-20 15:15 ` Andi Kleen [this message]
2008-05-20 15:17 ` Avi Kivity
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=87fxsdgg6f.fsf@basil.nowhere.org \
--to=andi@firstfloor.org \
--cc=akpm@osdl.org \
--cc=avi@qumranet.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=sam@ravnborg.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.