Date: Mon, 1 Dec 2014 08:31:08 -0800 From: Alfred Perlstein <bright@mu.org> To: Hans Petter Selasky <hps@selasky.org> Cc: "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, Alfred Perlstein <alfred@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, John Baldwin <jhb@freebsd.org> Subject: Re: svn commit: r275136 - in head/sys: dev/e1000 dev/ixgbe kern sys Message-ID: <4CE4C10D-93B0-4E27-878D-34C0A7CF3C94@mu.org> In-Reply-To: <547C974A.9050302@selasky.org> References: <201411262019.sAQKJaw4043557@svn.freebsd.org> <39377603.10OyiSzjWY@ralph.baldwin.cx> <872C180A-6ADD-469F-A801-3728DF134EEC@mu.org> <547C88A9.1070007@selasky.org> <5E1B6CD4-BBA7-4AD0-9982-E981015AF138@mu.org> <547C8A9C.4080603@selasky.org> <F621EBD1-C330-456A-B130-A2F46B5F8355@mu.org> <547C8CA2.8040305@selasky.org> <EB6CB885-C5B2-4D7C-A502-18A4E8F5EF40@mu.org> <547C8DEF.5020809@selasky.org> <EA71D8ED-A7C6-4570-B889-30C741EA1E0F@mu.org> <547C974A.9050302@selasky.org>
next in thread | previous in thread | raw e-mail | index | archive | help
> On Dec 1, 2014, at 8:28 AM, Hans Petter Selasky <hps@selasky.org> wrote: >=20 >> On 12/01/14 16:56, Alfred Perlstein wrote: >>=20 >>=20 >>>> On Dec 1, 2014, at 7:49 AM, Hans Petter Selasky <hps@selasky.org> wrote= : >>>>=20 >>>>> On 12/01/14 16:45, Alfred Perlstein wrote: >>>>>=20 >>>>> Hi, >>>>>=20 >>>>> It is quite early, actually: >>>>>=20 >>>>> SYSINIT(sysctl, SI_SUB_KMEM, SI_ORDER_FIRST, sysctl_register_all, 0); >>>>>=20 >>>>> In some parts of the machine independent, MI, code you neee to keep th= e TUNABLE_FETCH'es, because its run before SI_SUB_KMEM ! >>>>=20 >>>> Then it will not work unless I move the global n_queues sysctl creation= into the driver's mod load function. >>>>=20 >>>> Is that ok? >>>=20 >>> Are you asking me? >>=20 >> In soviet russia no one is ever sure whom to ask for permission to procee= d. >>=20 >> (Also you have significant commits to the driver so it makes sense. ) >=20 > Ok, >=20 > You need to check "sys/sys/kernel.h" for the full init order and figure ou= t where exactly your driver code is running and make sure that is running af= ter the SYSCTL/TUNABLE gets init. Yes that is why it is being done by hand in the probe routine. I think prope= r thing might be a way to sort out how to get tunables to run at a driver lo= ad event? Is that possible? >=20 > --HPS >=20 >=20
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4CE4C10D-93B0-4E27-878D-34C0A7CF3C94>