On 06/27/2019 10:18 AM, Michael Ellerman wrote: > Anshuman Khandual <anshuman.khandual@xxxxxxx> writes: >> Recent core ioremap changes require HAVE_ARCH_HUGE_VMAP subscribing archs >> provide arch_ioremap_p4d_supported() failing which will result in a build >> failure like the following. >> >> ld: lib/ioremap.o: in function `.ioremap_huge_init': >> ioremap.c:(.init.text+0x3c): undefined reference to >> `.arch_ioremap_p4d_supported' >> >> This defines a stub implementation for arch_ioremap_p4d_supported() keeping >> it disabled for now to fix the build problem. > > The easiest option is for this to be folded into your patch that creates > the requirement for arch_ioremap_p4d_supported(). > > Andrew might do that for you, or you could send a v2. > > This looks fine from a powerpc POV: > > Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> > > cheers Hello Stephen/Michael/Andrew, On linux-next (next-20190627) this change has already been applied though a merge commit 153083a99fe431 ("Merge branch 'akpm-current/current'"). So we are good on this ? Or shall I send out a V2 for the original patch. Please suggest. Thank you. - Anshuman