On Aug 9, 2013, at 1:24 PM, Sukadev Bhattiprolu wrote: > > I am tryng to compile clean mainline kernel with a few different config files > and running into errors with some configs. > > I am building on RHEL6.3 with following binaries: > > gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4) > GNU ld version 2.20.51.0.2-5.34.el6 20100205 > binutils-2.20.51.0.2-5.34.el6.ppc64 > binutils-devel-2.20.51.0.2-5.34.el6.ppc64 > > I am getting the error with several files and configs, but other configs > (eg: ppc64_defconfig, pmac32_defconfig) build fine. > > For instance, with latest mainline kernel (commit 6c2580c) and > ppc64_defconfig, I get: > > make O=linux-obj mrproper > make O=linux-obj ppc64e_defconfig > make O=linux-obj arch/powerpc/platforms/85xx/smp.o > ... > > CC arch/powerpc/platforms/85xx/smp.o > {standard input}: Assembler messages: > {standard input}:240: Error: junk at end of line: `1' > make[2]: *** [arch/powerpc/platforms/85xx/smp.o] Error 1 > make[1]: *** [arch/powerpc/platforms/85xx/smp.o] Error 2 > > Not sure if 240 is a line number in smp.c, but looking through the function > containing line 240, I was able to compile the smp.c after commenting out > the two WARN_ON() messages. > > diff --git a/arch/powerpc/platforms/85xx/smp.c > b/arch/powerpc/platforms/85xx/smp > index 5ced4f5..9705850 100644 > --- a/arch/powerpc/platforms/85xx/smp.c > +++ b/arch/powerpc/platforms/85xx/smp.c > @@ -151,8 +151,10 @@ static int smp_85xx_kick_cpu(int nr) > int ioremappable; > int ret = 0; > > +#if 0 > WARN_ON(nr < 0 || nr >= NR_CPUS); > WARN_ON(hw_cpu < 0 || hw_cpu >= NR_CPUS); > +#endif > > pr_debug("smp_85xx_kick_cpu: kick CPU #%d\n", nr); > > --- > > The pre-processor output for the first WARN_ON() is: > > --- > ({ int __ret_warn_on = !!(nr < 0 || nr >= 32); if > (__builtin_constant_p(__ret_warn_on)) { if (__ret_warn_on) do { __asm__ > __volatile__( "1: twi 31,0,0\n" ".section __bug_table,\"a\"\n" "2:\t" > ".llong" " " "1b, %0\n" "\t.short %1, %2\n" ".org 2b+%3\n" ".previous\n" : : > "i" ("/root/tmp/linux.git/arch/powerpc/platforms/85xx/smp.c"), "i" (154), "i" > (((1 << 0) | ((9) << 8))), "i" (sizeof(struct bug_entry))); } while (0); } > else { __asm__ __volatile__( "1: ""tdnei" " "" %4,0\n" ".section > __bug_table,\"a\"\n" "2:\t" ".llong" " " "1b, %0\n" "\t.short %1, %2\n" ".org > 2b+%3\n" ".previous\n" : : "i" > ("/root/tmp/linux.git/arch/powerpc/platforms/85xx/smp.c"), "i" (154), "i" > (((1 << 0) | ((9) << 8))), "i" (sizeof(struct bug_entry)), "r" > (__ret_warn_on)); } __builtin_expect(!!(__ret_warn_on), 0); }); > > --- > > > Should I be doing something different to build with these configs ? >
Hmm, that is odd. How about doing: $ make V=1 so we can see what compiler flags are being passed around. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev