Benjamin Herrenschmidt wrote: > On Tue, 2009-11-24 at 18:09 +0100, Albert Herranz wrote: >> I could use ppc_md.ioremap to duplicate ioremap except for the ioremap >> ram check. >> But calling the stock ioremap without modifying it is not possible >> because it checks and bails out when ioremapping a region marked as >> ram (even if it's not real ram and it's memreserved). >> >> Is the list of memreserved areas preserved once the kernel is running? >> If it is preserved another option would be to unban ioremapping ram if >> memreserved. > > Yes, check lmb's they should still be around. >
Good. So adding a kconfig option to allow ioremapping memreserved memory marked as ram and adding a proper check (under that kconfig) to unban this case in ioremap would be an acceptable solution? > Cheers, > Ben. > Thanks, Albert _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
