[SeaBIOS] Re: [PATCH] fw/coreboot.c: Use coreboot table to find cbfs

2021-05-26 Thread Kevin O'Connor
On Thu, May 20, 2021 at 06:09:55PM +, Peter Stuge wrote: > Arthur Heymans wrote: > > This breaks compatibility with very old coreboot build (build before > > fb5d5b16 "2015-07-14, cbtable: describe boot media"). > > Is that really acceptable in SeaBIOS master at some random time? > > At the

[SeaBIOS] Re: [PATCH] fw/coreboot.c: Use coreboot table to find cbfs

2021-05-25 Thread Peter Stuge
Hi, Gerd Hoffmann wrote: > Note that the linux kernel's in-kernel interfaces are explicitly *not* > backward compatible though. .. > I fail to see the problem. seabios is part of the firmware, So that's important, I hope to help create some understanding: coreboot and SeaBIOS are cleanly

[SeaBIOS] Re: [PATCH] fw/coreboot.c: Use coreboot table to find cbfs

2021-05-25 Thread Gerd Hoffmann
Hi, > > As far I know there is no policy on that written down somewhere. In > > general we try avoid breaking backward compatibility (and thus requiring > > lockstep updates). But maintaining backward compatibility has a cost > > too, so this isn't set in stone. > > Sure, but backwards

[SeaBIOS] Re: [PATCH] fw/coreboot.c: Use coreboot table to find cbfs

2021-05-21 Thread Peter Stuge
Hi Gerd, Gerd Hoffmann wrote: > > > This breaks compatibility with very old coreboot build (build before > > > fb5d5b16 "2015-07-14, cbtable: describe boot media"). > > > > Is that really acceptable in SeaBIOS master at some random time? > > As far I know there is no policy on that written down

[SeaBIOS] Re: [PATCH] fw/coreboot.c: Use coreboot table to find cbfs

2021-05-21 Thread Gerd Hoffmann
On Thu, May 20, 2021 at 06:09:55PM +, Peter Stuge wrote: > Arthur Heymans wrote: > > This breaks compatibility with very old coreboot build (build before > > fb5d5b16 "2015-07-14, cbtable: describe boot media"). > > Is that really acceptable in SeaBIOS master at some random time? As far I

[SeaBIOS] Re: [PATCH] fw/coreboot.c: Use coreboot table to find cbfs

2021-05-20 Thread Peter Stuge
Arthur Heymans wrote: > This breaks compatibility with very old coreboot build (build before > fb5d5b16 "2015-07-14, cbtable: describe boot media"). Is that really acceptable in SeaBIOS master at some random time? At the very least I would expect a flag day with advance publicity. One way of

[SeaBIOS] Re: [PATCH] fw/coreboot.c: Use coreboot table to find cbfs

2021-05-20 Thread Kevin O'Connor
On Fri, Apr 30, 2021 at 10:28:26AM +0200, Arthur Heymans wrote: > The "cbfs master header" cbfs file is considered a legacy feature in > coreboot and is planned for removal in the master branch. Since 2015 > the coreboot tables have exported info about the active cbfs. > > This change uses the