On Wed, Jan 20, 2016 at 1:36 PM, Larry Finger <larry.fin...@lwfinger.net> wrote: > On 01/20/2016 02:33 PM, Dan Williams wrote: > That isn't quite right. I added that patch, and restored the 4.4.0 > configuration. That one has "CONFIG_STRICT_DEVM=y". After I ran "make > oldconfig", CONFIG_STRICT_DEVM was still set, which kills rebooting. > > When I repeated the process, but removed the CONFIG_STRICT_DEVM line from > .config before I ran "make oldconfig", then I got a bootable configuration. > It seems that once STRICT_DEVM is yes, only a "make menuconfig", or > equivalent, will let you turn it off.
This matches my expectation. The fix stops defaulting it on when CONFIG_STRICT_DEVM is set, but if you already have it set this change will have no effect. In other words if you take a old config from before CONFIG_IO_STRICT_DEVMEM was introduced it won't get turned on...
