Re: [ashishki:rtit-dummy 2/5] make[4]: *** No rule to make target `../../include/asm/cpufeature.h', needed by `arch/x86/kernel/cpu/capflags.c'.

On Fri, Aug 03, 2012 at 08:01:19PM +0800, Fengguang Wu wrote:
> Hi Alexander,
> 
> Kernel build failed on
> 
> tree:   git://otcgit.jf.intel.com/ashishki/linux.git rtit-dummy
> head:   b51a58282492b3739c667d673aacee9bc35c1e3f
> commit: 57f5876423d5763a25e5a4333a3b3783c49e6628 [2/5] x86: first shot at RTIT driver
> config: i386-randconfig-b031 (attached as .config)
> 
> Build errors:
> 
> make[4]: *** No rule to make target `../../include/asm/cpufeature.h', needed by `arch/x86/kernel/cpu/capflags.c'.
> make[4]: *** No rule to make target `mkcapflags.pl', needed by `arch/x86/kernel/cpu/capflags.c'.

The patch manages to block the build system like this:

/*
 *  kbuild-i386 ashishki/rtit-dummy [4/5] be536bf (69 minutes ago)  2012-08-03 18:38  00:00:03 / 1 = 3s
 */
[3 weeks ago, Alexander Shishkin] interim

2798 real  1343 user  1043 sys  85.29% cpu      i386-randconfig-k025
3324 real  1524 user  1326 sys  85.74% cpu      i386-randconfig-k029
6734 real  3087 user  2588 sys  84.26% cpu      i386-randconfig-k023

^C%
init-+-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
     |-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
     |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+