On 2018-12-04 09:23:13 [-0800], Kees Cook wrote: > Okay, so, if kmsg_dump() uses rcu_read_lock(), that means efi-pstore > can _never_ sleep, and it's nothing to do with pstore internals. :( I > guess we just hard-code it, then? And efi-pstore should probably only > attach to pstore if it has a nonblock implementation (and warn if one > isn't available). I was about to suggest that. I am not aware if anything else could use efi_pstore_write() use that but otherwise you could hardcode it. > -Kees > Sebastian
