Messages in this thread | | | From | Kay Sievers <> | Date | Thu, 7 May 2009 04:08:33 +0200 | Subject | Re: [PATCH] driver-core: devtmpfs - driver core maintained /dev tmpfs |
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On Thu, May 7, 2009 at 03:41, Arjan van de Ven <arjan@infradead.org> wrote: > On Thu, 30 Apr 2009 15:23:42 +0200 > Kay Sievers <kay.sievers@vrfy.org> wrote: > >> From: Kay Sievers <kay.sievers@vrfy.org> >> Subject: driver-core: devtmpfs - driver core maintained /dev tmpfs >> >> Devtmpfs lets the kernel create a tmpfs very early at kernel >> initialization, before any driver core device is registered. Every >> device with a major/minor will have a device node created in this >> tmpfs instance. After the rootfs is mounted by the kernel, the >> populated tmpfs is mounted at /dev. In initramfs, it can be moved >> to the manually mounted root filesystem before /sbin/init is >> executed. > > so just to state the obvious: this code is not needed to boot fast. > It is mostly a workaround for having a bad initrd; if you don't use an > initrd, or if you use an initrd that's made with the right device nodes > in it already, you really just don't need this. > > I would much rather that you just fix your initrd... than to put this > sort of thing into the kernel....
How will you solve the dynamic device numbers? They are a complete reality today.
Thanks, Kay
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