On Thu, 8 Aug 2019 16:33:20 -0700 Linus Torvalds <torva...@linux-foundation.org> wrote:
> To which the obvious solution is "just use a different buffer for the > next boot". But that brings up the *second* big issue with a > reboot-safe buffer: it can't just be anywhere. Not only do you have to > have some way to find the old one, the actual location may end up > being basically fixed by hardware or firmware. Could we possibly have a magic value in some location that if it is set, we know right away that the buffer here has data from the last reboot, and we read it out into a safe location before we start using it again? -- Steve
