linux-kernel - Re: [PATCH 4/7] x86/dumpstack: If addr

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Message-ID: <20160530074001.GA2620@pd.tnic>
Date:	Mon, 30 May 2016 09:40:01 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Brian Gerst <brgerst@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	X86 ML <x86@...nel.org>, Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH 4/7] x86/dumpstack: If addr_limit is non-default, display
 it

On Sun, May 29, 2016 at 12:08:29PM -0700, Andy Lutomirski wrote:
> Sure, but how do I implement that?  There's no "does this arch have
> addr_limit in thread_info" general flag that I know of.

What about get_fs()? Looks like all arches implement that and on sparc
it is something called thread_info.current_ds...

-- 
Regards/Gruss,
    Boris.

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