On 08/05/2018 11:32 AM, Rich Felker wrote: > On Sun, Aug 05, 2018 at 10:54:56AM -0500, Rob Landley wrote: >> On 08/04/2018 05:51 AM, Matthew Wilcox wrote: >>> On Sat, Aug 04, 2018 at 12:47:08PM +0200, Geert Uytterhoeven wrote: >>>> You do want to readd the __GFP_ZERO flag to the second user of PGALLOC_GFP, >>>> don't you? >>> >>> I missed that! Probably only relevant for SH-64. But yes ... probably better >>> to make this explicit then: >> >> As far as I know sh5/sh-64 never shipped, it was just some prototype hardware >> that didn't go to production? > > I'm not sure about the details, but GCC has removed support and it's > effectively dead. I would be happy to merge patches removing the > existing SH-64 stuff in the kernel too. I'm not sure if generality to > support LP64 should be left in the arch/sh tree for future or if the > eventual 64-bit j-core should just be done as a separate arch tree; I > suspect the latter might be cleaner. LP64 is mostly just "long fits in a pointer", which is true on 32 bit too. What extra "lp64" support are you referring to? It seems like the only architecture with 32 and 64 bit variants that _doesn't_ have them together is arm? (x86 does, powerpc does, mips does...) Rob