From owner-freebsd-arch@freebsd.org Thu Feb 14 22:58:13 2019 Return-Path: Delivered-To: freebsd-arch@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4795314E5757 for ; Thu, 14 Feb 2019 22:58:13 +0000 (UTC) (envelope-from bwidawsk@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B81BC6A563; Thu, 14 Feb 2019 22:58:12 +0000 (UTC) (envelope-from bwidawsk@freebsd.org) Received: from smtp.freebsd.org (c-73-25-164-31.hsd1.or.comcast.net [73.25.164.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: bwidawsk) by smtp.freebsd.org (Postfix) with ESMTPSA id 3540D95EE; Thu, 14 Feb 2019 22:58:12 +0000 (UTC) (envelope-from bwidawsk@freebsd.org) Date: Thu, 14 Feb 2019 14:58:10 -0800 From: Ben Widawsky To: Steve Kargl Cc: Warner Losh , "freebsd-arch@freebsd.org" Subject: Re: "DRM removal soon" is premature Message-ID: <20190214225810.kmfxzeuvr7t7gget@smtp.freebsd.org> Mail-Followup-To: Steve Kargl , Warner Losh , "freebsd-arch@freebsd.org" References: <20190214180101.GB67712@troutmask.apl.washington.edu> <20190214182419.GA67872@troutmask.apl.washington.edu> <20190214190244.GA68143@troutmask.apl.washington.edu> <20190214191739.GA68371@troutmask.apl.washington.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190214191739.GA68371@troutmask.apl.washington.edu> User-Agent: NeoMutt/20180716 X-Rspamd-Queue-Id: B81BC6A563 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.90 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-0.99)[-0.992,0]; NEURAL_HAM_SHORT(-0.91)[-0.909,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.999,0] X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Feb 2019 22:58:13 -0000 On 19-02-14 11:17:39, Steve Kargl wrote: > On Thu, Feb 14, 2019 at 12:04:46PM -0700, Warner Losh wrote: > > On Thu, Feb 14, 2019 at 12:02 PM Steve Kargl < > > > > > > I can't test the patch for several hours, and it will take > > > 6 to 7 hours to rebuild world/kernel. So, I'll have to report > > > back tomorrow. > > > > > > > You'd only need to rebuild sys/modules/drm2, since that's the only thing > > that will change with the patch. > > > > But I can wait. I won't be removing things before tomorrow. > > > > Well, to get the laptop functional again, so that I could > continue testing some libm changes, I reverted trunk back > to r343566. I would need to pull in r343567 with the > pmap.h changes. Apply your patch to drm2, and rebuild the > entire kernel (including WITH_MODULE_DRM2). I don't know > if this new kernel would be incompatible with the old > world. > Not to pile on unnecessarily here, but I think the fundamental issue is that there is nobody who wants to maintain the in-tree DRM, and removal is likely a better option to half-assed maintenance. I'd imagine there'd be a different discussion if several developers were clamoring to keep this driver well maintained in the tree. -- Ben Widawsky, Intel Open Source Technology Center