On Tue, Jul 19, 2016 at 7:52 PM, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote: > Em Wed, Jul 20, 2016 at 09:53:33AM +1000, Stephen Rothwell escreveu: >> On Wed, 20 Jul 2016 09:21:57 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: >> > On Tue, 19 Jul 2016 14:45:51 -0300 Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote: >> > > #if BITS_PER_LONG != __BITS_PER_LONG >> > > +#include <linux/stringify.h> >> > > +#pragma message "BITS_PER_LONG=" __stringify(BITS_PER_LONG) >> > > +#pragma message "__BITS_PER_LONG=" __stringify(__BITS_PER_LONG) >> > > #error Inconsistent word size. Check asm/bitsperlong.h >> > > #endif > >> > I added those three lines to the file (just in yesterday's linux-next >> > was easiest) and got this: > >> > /home/sfr/next/next/tools/include/asm-generic/bitsperlong.h:14:9: note: #pragma message: BITS_PER_LONG=(8 * 8) >> > #pragma message "BITS_PER_LONG=" __stringify(BITS_PER_LONG) > >> > /home/sfr/next/next/tools/include/asm-generic/bitsperlong.h:15:9: note: #pragma message: __BITS_PER_LONG=32 >> > #pragma message "__BITS_PER_LONG=" __stringify(__BITS_PER_LONG) > >> > (a few times, of course) > >> So I applied this: > >> +++ b/tools/arch/x86/include/uapi/asm/bitsperlong.h >> @@ -4,6 +4,12 @@ >> #if defined(__x86_64__) && !defined(__ILP32__) >> # define __BITS_PER_LONG 64 >> #else >> +#ifndef __x86_64__ >> +#pragma message "__x86_64__ is not defined" >> +#endif >> +#ifdef __ILP32__ >> +#pragma message "__ILP32__ is defined" >> +#endif >> # define __BITS_PER_LONG 32 >> #endif > >> and got this: > >> /home/sfr/next/next/tools/arch/x86/include/uapi/asm/bitsperlong.h:8:9: note: #pragma message: __x86_64__ is not defined >> #pragma message "__x86_64__ is not defined" > > Humm, it seems that the compiler used is not the cross one, but the > native, check if, say, __powerpc__ is defined. > This is still vdso2c, right? It's a hostprog. This stuff is utterly screwed up. We're building a hostprog for an x86_64 kernel cross-compiled from powerpc. We should presumably be pullng in powerpc's uapi headers for hostprogs because it's a *host* prog. --Andy > - Arnaldo -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html