Am 04.07.2013 23:03, schrieb Ramkumar Ramachandra: > arch/um/Makefile is included in the toplevel Makefile:495. Well before > that, it unconditionally sets $SUBARCH (in Makefile:168) as follows: > > SUBARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ > -e s/sun4u/sparc64/ \ > -e s/arm.*/arm/ -e s/sa110/arm/ \ > -e s/s390x/s390/ -e s/parisc64/parisc/ \ > -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ > -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ ) > > It is clearly impossible for $SUBARCH to be set as i386 or x86_64. > Therefore, any code that checks $SUBARCH against these values is dead > code.
No. If you build UML for x86_64 you override SUBARCH. i.e. make linux ARCH=um SUBARCH=x86_64 > Cc: Al Viro <[email protected]> > Cc: Richard Weinberger <[email protected]> > Cc: Jeff Dike <[email protected]> > Signed-off-by: Ramkumar Ramachandra <[email protected]> NAK. Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
