Date: Sat, 30 Nov 2019 11:03:16 -0700 From: Warner Losh <imp@bsdimp.com> To: Enji Cooper <yaneurabeya@gmail.com> Cc: Scott Long <scottl@freebsd.org>, src-committers <src-committers@freebsd.org>, svn-src-all <svn-src-all@freebsd.org>, svn-src-head <svn-src-head@freebsd.org> Subject: Re: svn commit: r355164 - in head: . share/man/man4 sys/amd64/conf sys/conf sys/dev/trm sys/i386/conf sys/modules sys/modules/trm Message-ID: <CANCZdfrLMH_RNdd-hQrzGymZ_gjUc6YuqtfJON4muruutNyNxA@mail.gmail.com> In-Reply-To: <41D40355-A16E-48E1-9C11-0C9E42C83A42@gmail.com> References: <201911280232.xAS2WHtb029602@repo.freebsd.org> <41D40355-A16E-48E1-9C11-0C9E42C83A42@gmail.com>
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On Sat, Nov 30, 2019 at 10:47 AM Enji Cooper <yaneurabeya@gmail.com> wrote: > > > On Nov 27, 2019, at 6:32 PM, Scott Long <scottl@FreeBSD.org> wrote: > > > > Author: scottl > > Date: Thu Nov 28 02:32:17 2019 > > New Revision: 355164 > > URL: https://svnweb.freebsd.org/changeset/base/355164 > > > > Log: > > Remove the trm(4) driver > > > > Differential Revision: https://reviews.freebsd.org/D22575 > > Hi Scott, > I believe this driver was removed because it was impacts the CAM > GIANT lock removal effort — is that true (I’m asking because the “why” > behind the removal is unclear)? > Hi Enji, We're trying hard to get rid of all Giant-locked drivers in the tree, either by updating or removal. Since sym(4) provides a super-set of trm(4) and we have recent-ish reports of sym(4) working, it makes sense to trim this driver from the tree. The specific cards it supports aren't all that popular, the couple-extra features that trm(4) gave over sym(4) aren't really that relevant today, and it's been years since trm has had good testing and maintenance. Warnerhome | help
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