From: Borislav Petkov <bp@alien8.de>
To: Tom Lendacky <thomas.lendacky@amd.com>, "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org, Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Tomeu Vizoso <tomeu@tomeuvizoso.net>
Subject: Re: [PATCH] x86/boot: Fix boot failure when SMP MP-table is based at 0
Date: Thu, 16 Nov 2017 12:40:12 +0100 [thread overview]
Message-ID: <20171116114012.dmjncbeocsy4assk@pd.tnic> (raw)
In-Reply-To: <669af46f-4dfb-cd1e-8639-9d94d28aec74@amd.com>
On Mon, Nov 06, 2017 at 05:00:31PM -0600, Tom Lendacky wrote:
> Btw, it was working before because instead of saving off the physical
> address as 5997efb96756 now does, it saved off a virtual address that
> pointed to physical address 0 (0xffff880000000000) and used that in the
> conditional.
Dunno, should we support any braindead vm implementation which puts
stuff in the low megabyte?
I mean, the fix is simple enough and we probably don't care all that
much whatever potent sh*t people are smoking as long as it is all the
same to the kernel...
IMO.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
next prev parent reply other threads:[~2017-11-16 11:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-06 20:17 Tom Lendacky
2017-11-06 20:25 ` Tom Lendacky
2017-11-06 21:41 ` H. Peter Anvin
2017-11-06 22:01 ` Tom Lendacky
2017-11-06 23:00 ` Tom Lendacky
2017-11-16 11:40 ` Borislav Petkov [this message]
2017-11-08 8:37 ` Tomeu Vizoso
2017-11-16 9:16 ` Tomeu Vizoso
2017-11-16 9:20 ` Tomeu Vizoso
2017-11-17 13:03 ` Thomas Gleixner
2017-11-17 15:25 ` [tip:x86/urgent] " tip-bot for Tom Lendacky
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