From nobody Mon Jun 03 05:20:31 2024 X-Original-To: freebsd-arch@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 4Vt2B10Qyrz5L3fr for ; Mon, 03 Jun 2024 05:20:41 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Vt2B05K9Rz4sMw; Mon, 3 Jun 2024 05:20:40 +0000 (UTC) (envelope-from phk@critter.freebsd.dk) Authentication-Results: mx1.freebsd.org; none Received: from critter.freebsd.dk (unknown [192.168.55.3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by phk.freebsd.dk (Postfix) with ESMTPS id 050D189337; Mon, 03 Jun 2024 05:20:31 +0000 (UTC) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.18.1/8.16.1) with ESMTPS id 4535KV59003014 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Mon, 3 Jun 2024 05:20:31 GMT (envelope-from phk@critter.freebsd.dk) Received: (from phk@localhost) by critter.freebsd.dk (8.18.1/8.16.1/Submit) id 4535KVS8003013; Mon, 3 Jun 2024 05:20:31 GMT (envelope-from phk) Message-Id: <202406030520.4535KVS8003013@critter.freebsd.dk> To: Mark Johnston cc: freebsd-arch@freebsd.org Subject: Re: removing support for kernel stack swapping In-reply-to: From: "Poul-Henning Kamp" References: List-Id: Discussion related to FreeBSD architecture List-Archive: https://lists.freebsd.org/archives/freebsd-arch List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arch@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3011.1717392031.1@critter.freebsd.dk> Date: Mon, 03 Jun 2024 05:20:31 +0000 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:1835, ipnet:130.225.0.0/16, country:EU] X-Rspamd-Queue-Id: 4Vt2B05K9Rz4sMw -------- Mark Johnston writes: > At the BSDCan devsummit I proposed removing support for kernel stack > swapping and got only positive feedback. Does anyone here have any > comments or objections? +1 -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.