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From: Borislav Petkov <bp@suse.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Stuart Hayes <stuart.w.hayes@gmail.com>,
	tglx@linutronix.de, mingo@redhat.com, x86@kernel.org,
	linux-kernel@vger.kernel.org, matt.fleming@intel.com
Subject: Re: [PATCH] x86: Configure NX support earlier in setup_arch
Date: Mon, 14 Jul 2014 19:35:41 +0200	[thread overview]
Message-ID: <20140714173541.GF25120@pd.tnic> (raw)
In-Reply-To: <4de57990-9efc-4ead-b95e-a0d25b86e703@email.android.com>

On Mon, Jul 14, 2014 at 10:28:43AM -0700, H. Peter Anvin wrote:
> Oh, it is a case of Grub2 utter braindamage. That figures. I guess we
> need to invoke verify_cpu in yet another place.

How so? The bug report speaks of disabling NX in the BIOS, I'm assuming
they're setting bit 34 in IA32_MISC_ENABLE.

How would that affect grub2?

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

  reply	other threads:[~2014-07-14 17:36 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-03  1:47 [PATCH] x86: Configure NX support earlier in setup_arch Stuart Hayes
2014-07-08 22:34 ` Stuart Hayes
2014-07-08 22:38   ` H. Peter Anvin
2014-07-10  0:56     ` Stuart Hayes
2014-07-14 17:22       ` Borislav Petkov
2014-07-14 17:28         ` H. Peter Anvin
2014-07-14 17:35           ` Borislav Petkov [this message]
2014-11-13  6:39         ` B_B_Singh
2014-11-13 12:30           ` Borislav Petkov
2014-11-13 13:40             ` B_B_Singh
2014-11-13 15:48             ` Thomas Gleixner
2014-11-13 12:54           ` Thomas Gleixner

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