Hi Arnaldo, 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: > > > > No such luck, everything works as expected, objtool doesn't even get > > compiled, likely it doesn't support powerpc binaries so it isn't built: > > right. > > > Probably it got the local definition of bitsperlong.h, i.e. the size on the host build > > and then comparing it against the one for the target host... > > > > Anyway, can you try the patch below to see what value is landing on __BITS_PER_LONG? > > > > diff --git a/tools/include/asm-generic/bitsperlong.h b/tools/include/asm-generic/bitsperlong.h > > index 45eca517efb3..c8f971e0d6a1 100644 > > --- a/tools/include/asm-generic/bitsperlong.h > > +++ b/tools/include/asm-generic/bitsperlong.h > > @@ -10,6 +10,9 @@ > > #endif > > > > #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: diff --git a/tools/arch/x86/include/uapi/asm/bitsperlong.h b/tools/arch/x86/include/uapi/asm/bitsperlong.h index 6e23c543cd80..fd299f5468cb 100644 --- a/tools/arch/x86/include/uapi/asm/bitsperlong.h +++ 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" -- Cheers, Stephen Rothwell -- 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