From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Nadav Amit <nadav.amit@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Uladzislau Rezki <urezki@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm <linux-mm@kvack.org>, Christoph Hellwig <hch@lst.de>,
Lorenzo Stoakes <lstoakes@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
Baoquan He <bhe@redhat.com>, John Ogness <jogness@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
Mark Rutland <mark.rutland@arm.com>,
Marc Zyngier <maz@kernel.org>,
x86@kernel.org
Subject: Re: Excessive TLB flush ranges
Date: Wed, 17 May 2023 13:12:45 +0100 [thread overview]
Message-ID: <ZGTEvdCK7S4unOXd@shell.armlinux.org.uk> (raw)
In-Reply-To: <ABA0B923-FD56-4787-9ED1-994BEA13C496@gmail.com>
On Tue, May 16, 2023 at 06:23:27PM -0700, Nadav Amit wrote:
> Indeed, but ChatGPT says (yes, I see you making fun of me already):
> “however, this doesn't mean INVLPG has no impact on the pipeline. INVLPG
> can cause a pipeline stall because the TLB entry invalidation must be
> completed before subsequent instructions that might rely on the TLB can
> be executed correctly.”
>
> So I am not sure that your claim is exactly correct.
Sorry, but chatgpt has no place in serious discussions. You don't know
where its getting its information from or how reliable it is, and you'll
only make yourself look silly by quoting it.
Someone recently asked ChatGPT about me. Apparently I died a few years
ago. This is news to me. However, this illustrates precisely my point
that chatgpt can spew utter rubbish that you've no idea where it's got
it from, and by quoting its output in a serious discussion, you only
make yourself look silly.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
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next prev parent reply other threads:[~2023-05-17 12:13 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-15 16:43 Excessive TLB flush ranges Thomas Gleixner
2023-05-15 16:59 ` Russell King (Oracle)
2023-05-15 19:46 ` Thomas Gleixner
2023-05-15 21:11 ` Thomas Gleixner
2023-05-15 21:31 ` Russell King (Oracle)
2023-05-16 6:37 ` Thomas Gleixner
2023-05-16 6:46 ` Thomas Gleixner
2023-05-16 8:18 ` Thomas Gleixner
2023-05-16 8:20 ` Thomas Gleixner
2023-05-16 8:27 ` Russell King (Oracle)
2023-05-16 9:03 ` Thomas Gleixner
2023-05-16 10:05 ` Baoquan He
2023-05-16 14:21 ` Thomas Gleixner
2023-05-16 19:03 ` Thomas Gleixner
2023-05-17 9:38 ` Thomas Gleixner
2023-05-17 10:52 ` Baoquan He
2023-05-19 11:22 ` Thomas Gleixner
2023-05-19 11:49 ` Baoquan He
2023-05-19 14:13 ` Thomas Gleixner
2023-05-19 12:01 ` [RFC PATCH 1/3] mm/vmalloc.c: try to flush vmap_area one by one Baoquan He
2023-05-19 14:16 ` Thomas Gleixner
2023-05-19 12:02 ` [RFC PATCH 2/3] mm/vmalloc.c: Only flush VM_FLUSH_RESET_PERMS area immediately Baoquan He
2023-05-19 12:03 ` [RFC PATCH 3/3] mm/vmalloc.c: change _vm_unmap_aliases() to do purge firstly Baoquan He
2023-05-19 14:17 ` Thomas Gleixner
2023-05-19 18:38 ` Thomas Gleixner
2023-05-19 23:46 ` Baoquan He
2023-05-21 23:10 ` Thomas Gleixner
2023-05-22 11:21 ` Baoquan He
2023-05-22 12:02 ` Thomas Gleixner
2023-05-22 14:34 ` Baoquan He
2023-05-22 20:21 ` Thomas Gleixner
2023-05-22 20:44 ` Thomas Gleixner
2023-05-23 9:35 ` Baoquan He
2023-05-19 13:49 ` Excessive TLB flush ranges Thomas Gleixner
2023-05-16 8:21 ` Russell King (Oracle)
2023-05-16 8:19 ` Russell King (Oracle)
2023-05-16 8:44 ` Thomas Gleixner
2023-05-16 8:48 ` Russell King (Oracle)
2023-05-16 12:09 ` Thomas Gleixner
2023-05-16 13:42 ` Uladzislau Rezki
2023-05-16 14:38 ` Thomas Gleixner
2023-05-16 15:01 ` Uladzislau Rezki
2023-05-16 17:04 ` Thomas Gleixner
2023-05-17 11:26 ` Uladzislau Rezki
2023-05-17 11:58 ` Thomas Gleixner
2023-05-17 12:15 ` Uladzislau Rezki
2023-05-17 16:32 ` Thomas Gleixner
2023-05-19 10:01 ` Uladzislau Rezki
2023-05-19 14:56 ` Thomas Gleixner
2023-05-19 15:14 ` Uladzislau Rezki
2023-05-19 16:32 ` Thomas Gleixner
2023-05-19 17:02 ` Uladzislau Rezki
2023-05-16 17:56 ` Nadav Amit
2023-05-16 19:32 ` Thomas Gleixner
2023-05-17 0:23 ` Thomas Gleixner
2023-05-17 1:23 ` Nadav Amit
2023-05-17 10:31 ` Thomas Gleixner
2023-05-17 11:47 ` Thomas Gleixner
2023-05-17 22:41 ` Nadav Amit
2023-05-17 14:43 ` Mark Rutland
2023-05-17 16:41 ` Thomas Gleixner
2023-05-17 22:57 ` Nadav Amit
2023-05-19 11:49 ` Thomas Gleixner
2023-05-17 12:12 ` Russell King (Oracle) [this message]
2023-05-17 23:14 ` Nadav Amit
2023-05-15 18:17 ` Uladzislau Rezki
2023-05-16 2:26 ` Baoquan He
2023-05-16 6:40 ` Thomas Gleixner
2023-05-16 8:07 ` Baoquan He
2023-05-16 8:10 ` Baoquan He
2023-05-16 8:45 ` Russell King (Oracle)
2023-05-16 9:13 ` Thomas Gleixner
2023-05-16 8:54 ` Thomas Gleixner
2023-05-16 9:48 ` Baoquan He
2023-05-15 20:02 ` Nadav Amit
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