linux-kernel - Re: [PATCH v2 2/2] kallsyms: handle special absolute symbols

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Message-ID: <874n2xts1b.fsf@rustcorp.com.au>
Date:	Mon, 17 Mar 2014 14:06:48 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Kees Cook <keescook@...omium.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andrew Honig <ahonig@...gle.com>,
	Michal Marek <mmarek@...e.cz>,
	"x86\@kernel.org" <x86@...nel.org>, Tejun Heo <tj@...nel.org>,
	Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>, linux-ia64@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/2] kallsyms: handle special absolute symbols

Kees Cook <keescook@...omium.org> writes:
> On Wed, Mar 12, 2014 at 8:40 PM, Rusty Russell <rusty@...tcorp.com.au> wrote:
>> Kees Cook <keescook@...omium.org> writes:
>>> Why not just do this with 0-base-address detection like my v2? That
>>> would mean we don't need to remember to add this flag in the future to
>>> imagined new architectures that might want this 0-based per_cpu
>>> feature.
>>
>> Because future architectures will get this right and emit absolute
>> symbols.  I hope!
>>
>> I'm swamped at the moment, but am hoping to investigate that for
>> x86-64.  This is a stop-gap.
>
> Okay, I'm convinced. :)
>
> Acked-by: Kees Cook <keescook@...omium.org>
>
> Thanks!

Applied, thanks.

Cheers,
Rusty.
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