From nobody Mon Feb 9 15:12:09 2026 X-Original-To: dev-commits-src-all@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 4f8p8B5RDKz6RZTG; Mon, 09 Feb 2026 15:12:10 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (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-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R12" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4f8p8B519Zz42l2; Mon, 09 Feb 2026 15:12:10 +0000 (UTC) (envelope-from jhb@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1770649930; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ETljQKC+gxBBgnd+fJID1DyqNWPKQPAp2HGBXSbU+7M=; b=Ca4RbKmMD0v+eBsjKZlj2Valm2DdG8qVSgb8zjC04U96vKCsQ47aZyArEYDzn817bx2FN1 Wf16BUiPIEys3CPfmL5eLssGWJWas10Ff2PBBUpi0xLiJwH41f3WXvHQsVxU54nYxPzx53 eLxIX5zSBrNrk4wFwpdeZuL/NB7kqY6ZaO4RRYwIy5XQcMOXEU90hgiUpwbSjz3xH3t+vD R4Lzl3GVbPP5xOT4j1G3RyfTrOHWtoRKJGh3dx69non7zMcK2qJ0Lt7rxP9FUhjN1eg3KN PzrTFas+dFXTiIB2MJ9jLnmIwq4rO5UOGOc5xpNpe7tMNcDK2k/K71QSF2//IA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1770649930; a=rsa-sha256; cv=none; b=foAp+RqXZrX1/rxO6kLvnjJKYU7VKkVyAvsQ4YtdX68xb2QCfo2zQhnmyxnvqMVZ8m2UH9 YN01B8nDYAJhox5H9jnGYOGlhR3o4mZ6OmuO/nIfmH44veMecI6EfwAT71ZZm/HQKrfJQ5 4ZpirVS+W8O+o9f3uBluXusQ9hVebfYLjKLP9XHuTdSeMqvxBWcXsDWm6KlyZIWzXuguxc py3FBb6zTy8ftj1kcBJrazEP1+VlO12e+PgDyPhA7OAVh0sy5U5c2h7W3INhxSOR473u0C +FcQse4er82F0DbE8EsphtTZRGf2bV0XjYesxXBY6UR/hAu0KM6jGFQMsOxGMQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1770649930; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ETljQKC+gxBBgnd+fJID1DyqNWPKQPAp2HGBXSbU+7M=; b=yPSpDumt/YtftqncntU9WFC/4nAQIR/smD9xkjpUX6zYZXgfqR/svc/YI7kBqZzHk5b0zs zOiHF5PonD0A+n5LCUHX2QBcBQ97PzS9kU2nxSVo5+mioR9rO6YEStO0L5NVJnIiYpcI6C /yJazMGnxBPpqTI8MHwIjonI2HZQ4Z6HfsYdThxXdoCo9CbIrwtJxIXIDcxo01zNkMOM66 6hOLnPf7aiq3D4NBmxTweQxMhRwxunYifoUdErlpQ1YbJKNJfFrI96kAH05PQB/iYOqtKC OwFNieMRmU5pwZu6XbOSzc5pb3CKDTmBBE2Vqdbwj9V7DMbZ6y4hj5C+Iz7A3w== Received: from [IPV6:2601:5c0:4202:5670:ed0c:b253:7c2f:c8b9] (unknown [IPv6:2601:5c0:4202:5670:ed0c:b253:7c2f:c8b9]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: jhb) by smtp.freebsd.org (Postfix) with ESMTPSA id 4f8p8B2Qjdz1Bsc; Mon, 09 Feb 2026 15:12:10 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Message-ID: <5bec84ad-a01e-4931-98e6-4ba06adb1237@FreeBSD.org> Date: Mon, 9 Feb 2026 10:12:09 -0500 List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: git: 8f23665fed2f - main - pcb.h: mark struct pcb to be preserved Content-Language: en-US To: Konstantin Belousov , src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Minsoo Choo References: <69896027.2112e.2852c0dd@gitrepo.freebsd.org> From: John Baldwin In-Reply-To: <69896027.2112e.2852c0dd@gitrepo.freebsd.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/8/26 23:18, Konstantin Belousov wrote: > The branch main has been updated by kib: > > URL: https://cgit.FreeBSD.org/src/commit/?id=8f23665fed2fbaf4481359b4d2fcdd7b9feb40e3 > > commit 8f23665fed2fbaf4481359b4d2fcdd7b9feb40e3 > Author: Minsoo Choo > AuthorDate: 2026-02-06 20:03:53 +0000 > Commit: Konstantin Belousov > CommitDate: 2026-02-09 04:17:16 +0000 > > pcb.h: mark struct pcb to be preserved > > There are programs that depend on this structure (e.g. kernel debuggers) > that breaks when the ABI changes. > > Signed-off-by: Minsoo Choo > Reviewed by: kib > MFC after: 1 week > Differential Revision: https://reviews.freebsd.org/D55149 Hmmm, I think it is useful to know which fields debuggers use (typically just registers) vs which ones can be safely changed without impacting debuggers. -- John Baldwin