On Sat, Feb 06, 2021 at 02:11:13PM +0100, Willy Tarreau wrote: > On Sat, Feb 06, 2021 at 02:00:27PM +0100, Greg Kroah-Hartman wrote: > > I think Sasha's patch here: > > https://lore.kernel.org/r/20210205174702.1904681-1-sashal@xxxxxxxxxx > > is looking like the solution. > > It might cause trouble to those forcing SUBLEVEL to a given version such > as .0 to avoid exposing the exact stable version. I guess we should > instead try to integrate a test on the value itself and cap it at 255. That's the main goal of the upstream submission that checks the value before capping it: https://lore.kernel.org/r/20210206035033.2036180-2-sashal@xxxxxxxxxx > Something like this looks more robust to me, it will use SUBLEVEL for > values 0 to 255 and 255 for any larger value: > > - expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 0$(SUBLEVEL)); \ > + expr $(VERSION) \* 65536 + 0$(PATCHLEVEL) \* 256 + 255 \* (0$(SUBLEVEL) > 255) + 0$(SUBLEVEL) * (0$(SUBLEVEL \<= 255)); \ I think you just rewrote the above linked patch :) thanks, greg k-h
