Quoting Mimi Zohar (2018-02-01 13:51:52) > On Thu, 2018-02-01 at 11:09 -0600, Rob Landley wrote: > > On 02/01/2018 09:55 AM, Mimi Zohar wrote: > > > On Thu, 2018-02-01 at 09:20 -0600, Rob Landley wrote: > > > > > >>> With your patch and specifying "root=tmpfs", dracut is complaining: > > >>> > > >>> dracut: FATAL: Don't know how to handle 'root=tmpfs' > > >>> dracut: refusing to continue > > >> > > >> [googles]... I do not understand why this package exists. > > >> > > >> If you're switching to another root filesystem, using a tool that > > >> wikipedia[citation needed] says has no purpose but to switch to another > > >> root filesystem, (so let's reproduce the kernel infrastructure in > > >> userspace while leaving it the kernel too)... why do you need initramfs > > >> to be tmpfs? You're using it for half a second, then discarding it, > > >> what's the point of it being tmpfs? > > > > > > Unlike the kernel image which is signed by the distros, the initramfs > > > doesn't come signed, because it is built on the target system. Even > > > if the initramfs did come signed, it is beneficial to measure and > > > appraise the individual files in the initramfs. > > > > You can still shoot yourself in the foot with tmpfs. People mount a /run > > and a /tmp and then as a normal user you can go > > https://twitter.com/landley/status/959103235305951233 and maybe the > > default should be a little more clever there... > > > > I'll throw it on the todo heap. :) > > > > >> Sigh. If people are ok with having rootfs just be tmpfs whenever tmpfs > > >> is configured in, even when you're then going to overmount it with > > >> something else like you're doing, let's just _remove_ the test. If it > > >> can be tmpfs, have it be tmpfs. > > > > > > Very much appreciated! > > > > Not yet tested, but something like the attached? (Sorry for the > > half-finished doc changes in there, I'm at work and have a 5 minute > > break. I can test properly this evening if you don't get to it...) > > Yes, rootfs is being mounted as tmpfs. I don't think you can unconditionally replace ramfs with initramfs by default. Their behavior is different in some cases (e.g. pivot_root vs switch_root) and it can break many systems that expect ramfs by default. -- To unsubscribe from this list: send the line "unsubscribe initramfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
