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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@kernel.org>, Kees Cook <keescook@chromium.org>,
	Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
	Borislav Petkov <bp@alien8.de>, Len Brown <lenb@kernel.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	Tony Luck <tony.luck@intel.com>, Jiri Kosina <jkosina@suse.cz>,
	Bob Moore <robert.moore@intel.com>,
	Erik Schmauss <erik.schmauss@intel.com>
Subject: Re: [GIT PULL] x86/topology changes for v5.3
Date: Tue, 9 Jul 2019 17:59:39 -0700	[thread overview]
Message-ID: <CAHk-=wj5E=WTz3jfNFnupCPoLXDyFZdW1xgKvuuU-M1_7MEqaw@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1907100039540.1758@nanos.tec.linutronix.de>

On Tue, Jul 9, 2019 at 4:00 PM Thomas Gleixner <tglx@linutronix.de> wrote:
>
> That still does not explain the cr4/0 issue you have. Can you send me your
> .config please?

Gaah. Now I'm off my desktop and won't be at it again until tomorrow.
And that's the one that bisected to the cr0/cr4 bits (and I did all my
bisection on that because it's so much faster).

Anyway, the kernel config itself is pretty simple. It's basically a
F30 kernel config that has been through "make localmodconfig" and then
pared down some more to remove stuff I don't use (paravirt etc). I
would expect that if it's a confiuration difference, it's more likely
to be about the user mode side - since the hang does seem to happen in
user mode, not in the kernel (but a very early problem at cpu bringup
time could easily have been hidden).

On my laptop (which I am at right now), the hang is different, and
maybe it's similar to your ACPI hang issue. I will try that revert,
and at least see if that solves the laptop side.

                    Linus

  parent reply	other threads:[~2019-07-10  1:00 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-08 16:27 [GIT PULL] x86/topology changes for v5.3 Ingo Molnar
2019-07-09  1:45 ` pr-tracker-bot
2019-07-09 21:20 ` Linus Torvalds
2019-07-09 21:26   ` Linus Torvalds
2019-07-09 21:45     ` Linus Torvalds
2019-07-09 22:00       ` Linus Torvalds
2019-07-09 22:07         ` Linus Torvalds
2019-07-09 22:27         ` Thomas Gleixner
2019-07-09 23:00           ` Thomas Gleixner
2019-07-09 23:17             ` Thomas Gleixner
2019-07-10  0:31               ` Kees Cook
2019-07-10 11:27                 ` Xi Ruoyao
2019-07-10 12:01                   ` Xi Ruoyao
2019-07-10 12:19                     ` Thomas Gleixner
2019-07-10 12:31                       ` Jiri Kosina
2019-07-10 13:21                         ` Peter Zijlstra
2019-07-10 13:27                           ` Jiri Kosina
2019-07-10 13:28                             ` Jiri Kosina
2019-07-10 13:31                               ` Xi Ruoyao
2019-07-10 13:25                         ` Xi Ruoyao
2019-07-10 13:44                           ` Peter Zijlstra
2019-07-10 14:03                             ` Thomas Gleixner
2019-07-10 14:26                               ` Thomas Gleixner
2019-07-10 14:22                             ` Jiri Kosina
2019-07-10 14:26                               ` Peter Zijlstra
2019-07-10 15:13                                 ` Thomas Gleixner
2019-07-10 15:58                                   ` Xi Ruoyao
2019-07-10 19:42                                     ` [PATCH] x86/asm: Move native_write_cr0/3() out of line Thomas Gleixner
2019-07-10 19:59                                       ` Kees Cook
2019-07-10 20:00                                         ` Thomas Gleixner
2019-07-10 20:02                                       ` Peter Zijlstra
2019-07-10 20:19                                       ` [tip:x86/urgent] x86/asm: Move native_write_cr0/4() " tip-bot for Thomas Gleixner
2019-07-10 14:44                               ` [GIT PULL] x86/topology changes for v5.3 Xi Ruoyao
2019-07-11  7:11                               ` Nadav Amit
2019-07-11  7:16                                 ` Thomas Gleixner
2019-07-11  8:01                                 ` Peter Zijlstra
2019-07-11 15:08                                   ` Kees Cook
2019-07-11 17:09                                     ` Nadav Amit
2019-07-10  0:59             ` Linus Torvalds [this message]
2019-07-10  1:08               ` Linus Torvalds
2019-07-10  3:21                 ` Linus Torvalds
2019-07-10  5:15                   ` Linus Torvalds
2019-07-10  5:33                     ` Kees Cook
2019-07-10 18:40                     ` Linus Torvalds
2019-07-10 10:03             ` Rafael J. Wysocki

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