linux-kernel - Re: [PATCH v1] x86/power/64: Restore processor state before using per-cpu variables

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Message-ID: <CAJcbSZHG3ULCATigD0hhzOEXWi+GiDhtiBQdgaTiYnkP3k2fHw@mail.gmail.com>
Date:	Fri, 12 Aug 2016 09:03:05 -0700
From:	Thomas Garnier <thgarnie@...gle.com>
To:	Jiri Kosina <jikos@...nel.org>
Cc:	"Rafael J . Wysocki" <rjw@...ysocki.net>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	Linux PM list <linux-pm@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Kees Cook <keescook@...omium.org>,
	Kernel Hardening <kernel-hardening@...ts.openwall.com>,
	Borislav Petkov <bpetkov@...e.de>,
	Yinghai Lu <yinghai@...nel.org>
Subject: Re: [PATCH v1] x86/power/64: Restore processor state before using
 per-cpu variables

On Fri, Aug 12, 2016 at 2:23 AM, Jiri Kosina <jikos@...nel.org> wrote:
> On Fri, 12 Aug 2016, Jiri Kosina wrote:
>
> That's pretty nasty, as turning LOCKDEP on has sideffects on the code
> that'd normally not be expected to be run at all (tracepoint off).
>
> Oh well.

Thanks for the analysis, I didn't got that far so I had no idea how
everything was connected.

> Thanks again,

Thanks you and Borislav for finding it.