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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@alien8.de>
Subject: Re: [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging support, Secure Memory Encryption support
Date: Tue, 5 Sep 2017 14:45:01 -0700	[thread overview]
Message-ID: <CA+55aFwi2yin3Cx-STCtuu8fKkK+OBfteppSQbYCOMyUSf_c1w@mail.gmail.com> (raw)
In-Reply-To: <20170905214046.ishenhbj7jrtoufc@gmail.com>

On Tue, Sep 5, 2017 at 2:40 PM, Ingo Molnar <mingo@kernel.org> wrote:
>
> Does your laptop CPU have PCID support by any chance? The CPU coming
> out of resume with PCID disabled and us not properly re-enabling it
> might be a possible failure mode.

It does have pcid. It's a -7-6560U in the prev-gen XPS 13 (aka "9350").

I have bisected a bit deeper, and the pcid code is definitely in that
bisection window still. But are a fair number of other commits (about
160 right now)

               Linus

  reply	other threads:[~2017-09-05 21:45 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-04  9:31 [GIT PULL] x86/mm changes for v4.14: PCID support, 5-level paging support, Secure Memory Encryption support Ingo Molnar
2017-09-04 12:23 ` Kirill A. Shutemov
2017-09-04 13:01   ` Thomas Gleixner
2017-09-04 13:54     ` Ingo Molnar
2017-09-05 21:17 ` Linus Torvalds
2017-09-05 21:37   ` Andy Lutomirski
2017-09-05 21:44     ` Borislav Petkov
2017-09-05 21:40   ` Ingo Molnar
2017-09-05 21:45     ` Linus Torvalds [this message]
2017-09-05 22:33       ` Linus Torvalds
2017-09-05 22:35         ` Andy Lutomirski
2017-09-05 23:09         ` Linus Torvalds
2017-09-06 20:43           ` Jiri Kosina
2017-09-06 21:16             ` Jiri Kosina
2017-09-06 22:26               ` Andy Lutomirski
2017-09-05 21:50     ` Linus Torvalds
2017-09-07  8:07       ` Ingo Molnar
2017-09-07  8:13         ` Ingo Molnar
2017-09-15 11:26         ` Pavel Machek

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