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From: Borislav Petkov <bp@alien8.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>,
	Matt Fleming <matt@codeblueprint.co.uk>,
	Kosuke Tatsukawa <tatsu@ab.jp.nec.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "x86@kernel.org" <x86@kernel.org>,
	"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/2] x86: Fix kernel panic when booting with XD disabled in uEFI firmware
Date: Tue, 8 Dec 2015 21:54:11 +0100	[thread overview]
Message-ID: <20151208205411.GA16417@pd.tnic> (raw)
In-Reply-To: <19122B57-8052-4A92-801E-03CC84E66F06@zytor.com>

On Tue, Dec 08, 2015 at 12:39:14PM -0800, H. Peter Anvin wrote:
> Actually I think of it much more as a debug option - being able to
> mimic NX-unaware hardware and to track down problems in the field.

Considering it can be dangerous when exposed to the user, should we hide
it behind a "Kernel Hacking" .config option which is default-off?

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.

  reply	other threads:[~2015-12-08 20:54 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-03 23:58 [PATCH 1/2] x86: Fix kernel panic when booting with XD disabled in uEFI firmware Kosuke Tatsukawa
2015-12-04 16:40 ` Matt Fleming
2015-12-07 23:10   ` Kosuke Tatsukawa
2015-12-08 12:25     ` Matt Fleming
2015-12-08 14:19       ` Borislav Petkov
2015-12-08 20:30         ` Kees Cook
2015-12-08 20:39           ` H. Peter Anvin
2015-12-08 20:54             ` Borislav Petkov [this message]
2015-12-15  0:07             ` Andy Lutomirski
2015-12-08 20:56           ` Borislav Petkov

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