From: Joerg Roedel <jroedel@suse.de>
To: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
"Jason A. Donenfeld" <Jason@zx2c4.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [GIT PULL] x86/mm changes for v5.9
Date: Thu, 6 Aug 2020 20:57:23 +0200 [thread overview]
Message-ID: <20200806185723.GA24304@suse.de> (raw)
In-Reply-To: <20200806131034.GA2067370@gmail.com>
On Thu, Aug 06, 2020 at 03:10:34PM +0200, Ingo Molnar wrote:
>
> * Linus Torvalds <torvalds@linux-foundation.org> wrote:
> > So apparently the "the page-table pages are all pre-allocated now" is
> > simply not true. Joerg?
It pre-allocates the whole vmalloc/ioremap PUD/P4D pages, but I actually
only tested it with 4-level paging, as I don't have access to 5-level
paging hardware.
I'll try to make sense of that oops.
> > Unless somebody can figure this out fairly quickly, I think it should
> > just be reverted.
>
> Agreed. Joerg?
Yeah, please just revert that commit for now until I have an idea what
went wrong.
Joerg
next prev parent reply other threads:[~2020-08-06 18:57 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-03 19:03 [GIT PULL] x86/mm changes for v5.9 Ingo Molnar
2020-08-04 0:50 ` pr-tracker-bot
2020-08-05 11:03 ` Jason A. Donenfeld
2020-08-05 17:05 ` Linus Torvalds
2020-08-06 13:10 ` Ingo Molnar
2020-08-06 18:57 ` Joerg Roedel [this message]
2020-08-06 19:02 ` Linus Torvalds
2020-08-06 19:23 ` Joerg Roedel
2020-08-06 19:42 ` Linus Torvalds
2020-08-06 19:57 ` Tejun Heo
2020-08-07 9:53 ` Jason A. Donenfeld
2020-08-06 21:20 ` Ingo Molnar
2020-08-07 8:47 ` Joerg Roedel
2020-08-13 19:30 ` Ingo Molnar
2020-08-13 19:38 ` Linus Torvalds
2020-08-14 14:26 ` Joerg Roedel
2020-08-06 22:56 ` Joerg Roedel
2020-08-06 23:12 ` Joerg Roedel
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