Messages in this thread | | | Date | Fri, 18 Dec 2020 10:50:25 -0800 | From | Kees Cook <> | Subject | Re: [EXT] Re: [PATCH 1/2] mmc: Support kmsg dumper based on pstore/blk |
| |
On Wed, Dec 16, 2020 at 11:44:26AM +0100, Ulf Hansson wrote: > In any case, I didn't catch *why* pstore needs to force block device > drivers to implement specific pstore hooks to support the pstore file > system. I don't think this is the way it should work, for many
For panic, pstore must avoid any path that might sleep. In a perfect world, it should also use as little code as possible, to avoid potentially tripping over areas of the kernel that might be broken.
-- Kees Cook
| |