Messages in this thread | | | Date | Sat, 4 Aug 2007 10:09:19 -0700 (PDT) | From | david@lang ... | Subject | Re: [PATCH] request_firmware: skip timeout if userspace was not notified |
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On Sat, 4 Aug 2007, Javier Pello wrote:
>> I've been told that it's possible to have the kernel pull the firmware >> off of an initrd (or was it initramfs, I keep confusing the two) without >> having any userspace, just put the right file in the right place >> (unfortunantly I've never gotten around to testing this) will this patch >> break this feature? > > Correct me if I'm wrong, but I understand that the way this works is having > the initramfs become an "early userspace", a filesystem that is mounted, > well, earlier during boot, so that it is available before drivers begin > to initialise (earlier: as a rootfs_initcall, as opposed to at the end of > the boot process), but that in all respects behaves as a fully-fledged root > filesystem. In particular, firmware should be requested from userspace in > the standard way, and the patch should not break anything. I would test > this to be sure, but I have absolutely no experience preparing an initramfs.
what I've been told is that with the drive built-in instead of modular you can create a filesystem that has only the firmware on it, nothing else, and have the kernel find and load it (no userspace software involved)
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