From nobody Fri Jun 21 11:47:50 2024 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4W5FwY3xt6z5NX55 for ; Fri, 21 Jun 2024 11:47:57 +0000 (UTC) (envelope-from cperciva@freebsd.org) Received: from mail.tarsnap.com (mail.tarsnap.com [54.86.246.204]) by mx1.freebsd.org (Postfix) with SMTP id 4W5FwY26RXz4YhR for ; Fri, 21 Jun 2024 11:47:57 +0000 (UTC) (envelope-from cperciva@freebsd.org) Authentication-Results: mx1.freebsd.org; none Received: (qmail 74194 invoked from network); 21 Jun 2024 11:47:51 -0000 Received: from unknown (HELO framework.daemonology.net) (127.0.0.1) by mail.tarsnap.com with SMTP; 21 Jun 2024 11:47:51 -0000 Received: (qmail 11038 invoked from network); 21 Jun 2024 11:47:50 -0000 Received: from unknown (HELO ?127.0.0.1?) (127.0.0.1) by localhost with SMTP; 21 Jun 2024 11:47:50 -0000 Message-ID: <01aa02dd-f7e9-40f8-965f-9ce78a8c6437@freebsd.org> Date: Fri, 21 Jun 2024 04:47:50 -0700 List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: git: 00d061855deb - main - Garbage-collect ACPI-safe timer and friends To: Poul-Henning Kamp Cc: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org References: <202406210719.45L7JU1H020535@gitrepo.freebsd.org> <202406210738.45L7cA2e007446@critter.freebsd.dk> Content-Language: en-US From: Colin Percival Autocrypt: addr=cperciva@freebsd.org; keydata= xsFNBGWMSrYBEACdWRqDn3B3SKO7IG0/fGHYtfs26f3Q5QeAcasy1fQLniwGQWn5rlILhbCD K/jdNoDm5Zxq20eqyffoDNObCjnHgg4tGANdi+RmDy+7CDpE789H8dss9y7Pt5DlGGAXQQnt hxush3EYS/Ctprd9UUL/lzOOLOU1aNtzB84tNrJBtcJmL7OYHfyTSNFxvedqJrrasejIQOLI t/DQ89BPzz+vsKHz7FJPXh3fsVkzLA00DJYcfkgxyABfJNA7U6yMwd4DVSdx/SsvfIDMVXnu UXCXswo106WPZbYGlZPpq0wW6iibtTerJix+8AeuwXvl9O1p8yESK4ErkIxCnmghTSz+pdzj z/6xBRkdDM9VdZ0r+CzsaNXMpDOzFuKyjaiYBdgCLljbDnXIHFcqXenrZ7Xwkm09g/M4uVSh pIUG2RYa6tsHSQoGCp3f2RZv1znfViKQFbbL83QjtPA20AhseZSYbHp1FPhXyy9J0wkGL16L e99g6gdGeIRE82BZjBjKGDkoyDPq+oDRSFl8NtzmIKy+cfz00nViqcTF4bREXEawFGhlpO0X O9q8mijI9iFB6zaPBiSdJGBL5ML5qLTNCl8Zlf4m1TBvmRTqF/lzMHVXHidDoUhpSh/y3AFZ 1KrYc27ztJQywDJPJPWPbtY8YhFLFs377gfP8WldsZjzp8nvoQARAQABzSVDb2xpbiBQZXJj aXZhbCA8Y3BlcmNpdmFARnJlZUJTRC5vcmc+wsGRBBMBCAA7FiEEglY7hNBiDtwN+4ZBOJfy 4i5lrT8FAmWMSrYCGwMICwkNCAwHCwMFFQoJCAsFFgMCAQACHgUCF4AACgkQOJfy4i5lrT++ ig/9GZKdN2fHSyrANKZX38ivd7IX2wAYouqH9DrQM94W8IciaDLmarN4Pl9mY+aucMwQUSyp uNtKOJwKqhVVaalF9Zw0sRMH4CJuvT7vKCtZ3q1Okb7soRvFte4d+vXhvPxCvBFDA5JzU7Lg DR5eqqcvF1dN1OuCq16pl0zCOSH/Jr5ToE3LM3Av1KBGcZD7ZSzHRWsFjV5AOUJKySuA3GwJ e/jASQcQ0YfCnru8ntLmYg/2SKvZFlfthZiCBnAppMt4n4BUAw3TDvf10HIDtdneejawcbLS gofLCvGqumwbZYAMKWrFzT4+7KQvr0pOw8QD7EbxnB4f9hQ7UiVF8qWsyKU3iv6b5JLhbS59 ooKRccyOvdMLcVJ0ZdpqoxrNv061ZUqLL5RiWjBlc1qjBnDxeg5oyM0rT8WLftdgvyH6RQt0 KWngumBAT5AT2DUYL8Uz1490cqfO9K4yEGZAJB9XRVX1g2IWTOjae+0g9ZII+h91UngFz+Rz aKDeseKBbCGDOFXx1TqKiHl2g255ZnUxKYTlucFtguv4gDGBgEk4G9JaEWBw1IWblcKhxH7L 2vWsUhvwghjIxHdO/RkeIeHvSp4YZxCJ7a3TaJLYAlwYopfTKVzNhcDY5h5syEuoHjyJCxXK SyoJYAVu8Yl2KUhvOtOmL1VZ6xyHnpdMRWKJZ5jOwU0EZYxKtgEQANYfgbtUMVnhjxDHhWLp g5kLHK3YW0TfJKzpXqDB7NiqxHofn4OcbZnVC3MKggcbs9o1/UtsjnlsG8550PfiYkDXvPiO RJwgbGs6MGIDK797C6cnBLQ8xwBa9SL4cl5iQFnhWmt6vwnJ+an/cm5JpYves3wL7jV09qU9 57hkHXEUcl38r4FssZzVcLKPUVTa3Un+QGRTGDGe/f4ctjMaqv0ZCM+l2ixPhf/vqESrfSLv V/+T3dmtUfXjazO3SABvsHwxgGuTTYOlKoPCaebr+BRdqm0xeIShoIlhvTI8y4clchqx/Uxg UG5X2kvU13k3DS3Q8uLE4Et9x1CcZT6WGgBZSR6R0WfD0SDnzufNnRWJ0dEPA2MtJHE7+85R Vi9j/IgZV+y5Ur+bnPkjDG1s2SVciX5v9HQ0oilcBhvx0j5lGE9hhurD9F+fCvkr4KdbCknE 6Y8ce8pCNBUoB/DqibJivOzTk9K9MGB5x0De5TerIrFiaw3/mQC9nGeO9dtE7wvDJetWeoTq 4BEaCzpufNqbkpOaTQILr4V6Gp7M6v97g83TVAwZntz/q8ptwuKQPZ2JaSFLZn7oWUpYXA5s +SIODFHLn6iMoYpBQskHQjnj4lEPJadl4qj+ZKA89iDAKsniyoFXsbJe2CPbMS1yzBxKZq6K D/jpt7BOnuHr/JrXABEBAAHCwXYEGAEIACAWIQSCVjuE0GIO3A37hkE4l/LiLmWtPwUCZYxK tgIbDAAKCRA4l/LiLmWtP3jmEACQrh9gWe8F1Tkw3m6VoHKwLc5he4tX3WpQa//soPO6iGG3 S3WPruQ46NrAaAojoOcKI9UONDO5rxG0ZTX53S+lu2EO47jbcLwOCjaEpjKpDRt9ZXBQE8Xl mtBE9Bp3W9gpjB1nE3KNM1mJYgsK0QdRpwwfh4pVgGpOj8j23I6MCK+v99zEBnpgCn2GX8W/ kctRXHqWwndHysOJtRP/zrl7dDaABF1f9efUl0LL3TD3GJ9VDz+DNOin/uK2a1hiJo8QzTRk PpfUQ2ebzDsrd1i/pOWkMSkdH+rEu4AGrXWtaBwrMyrGkL6Icb6yO+P9/z0W2wlgBf3P1YRt JPgQt/Dj3yvA/UnaV/QmuVQPjl13o24UnJGsZM8XGnNdfWBKkC1Q6VXC4QT+dyBHYH9MuE9d 6oGl8pFM1+cTfEfbM62/rRoPkF1yHMsI/903VxEvuUIKfhEZAVLFyHldooNxuchntHQP9y8J 8Ou9bWYQP7MnEn+kwSwrZkjurfPkan+xQvp6dDYnj3V0GwA5pprBMaB928VIDVOv+1PNQI3t Cvk5VPv/skq+TJRMHW7bFSt8PRa91cUf1FOLIz9APDiJOzXkwxUEHGV3zPSaUhs1JYjyBeGT wDAvtLUdjOnRhEUOwlnIrztmvyciutjJoVzKEEjj5WXnHk9L9kQ1bpAjkjTONw== In-Reply-To: <202406210738.45L7cA2e007446@critter.freebsd.dk> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:14618, ipnet:54.86.0.0/16, country:US] X-Rspamd-Queue-Id: 4W5FwY26RXz4YhR On 6/21/24 00:38, Poul-Henning Kamp wrote: > -------- > Colin Percival writes: > >> commit 00d061855deb93df5d709c8a794985ebb55012f8 >> >> Garbage-collect ACPI-safe timer and friends >> >> In 2001 when the ACPI timer was introduced, it included code to check >> for a bug present in some Pentium II and Pentium III chipsets; > > Boy, does that bring back memories... > > Apologies for not taking this out behind the barn myself, I had totally > forgotten about it. I only became aware of this in 2021 when I noticed that every time we booted we spent 140 ms checking if we had this chipset bug. The workaround could probably have stuck around for another 20 years if it had been faster. ;-) -- Colin Percival FreeBSD Release Engineering Lead & EC2 platform maintainer Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid