Hi Cristophe,

Il giorno mer, 08/07/2020 alle 19.09 +0200, Christophe Leroy ha
scritto:
> Hi
> 
> Le 08/07/2020 à 19:00, Giuseppe Sacco a écrit :
> > Hello,
> > while trying to debug a problem using git bisect, I am now at a point
> > where I cannot build the kernel at all. This is the error message I
> > get:
> > 
> > $ LANG=C make ARCH=powerpc \
> >   CROSS_COMPILE=powerpc-linux- \
> >   CONFIG_MODULE_COMPRESS_GZIP=true \
> >   INSTALL_MOD_STRIP=1 CONFIG_MODULE_COMPRESS=1 \
> >   -j4 INSTALL_MOD_PATH=$BOOT INSTALL_PATH=$BOOT \
> >   CONFIG_DEBUG_INFO_COMPRESSED=1 \
> >   install modules_install
> > make[2]: *** No rule to make target 'vmlinux', needed by
> 
> Surprising.
> 
> Did you make any change to Makefiles ?

No

> Are you in the middle of a bisect ? If so, if the previous builds 
> worked, I'd do 'git bisect skip'

Yes, the previous one worked.

> What's the result with:
> 
> LANG=C make ARCH=powerpc CROSS_COMPILE=powerpc-linux- vmlinux

$ LANG=C make ARCH=powerpc CROSS_COMPILE=powerpc-linux- vmlinux
  CALL    scripts/checksyscalls.sh
  CALL    scripts/atomic/check-atomics.sh
  CHK     include/generated/compile.h
  CC      kernel/module.o
kernel/module.c: In function 'do_init_module':
kernel/module.c:3593:2: error: implicit declaration of function
'module_enable_ro'; did you mean 'module_enable_x'? [-Werror=implicit-
function-declaration]
 3593 |  module_enable_ro(mod, true);
      |  ^~~~~~~~~~~~~~~~
      |  module_enable_x
cc1: some warnings being treated as errors
make[1]: *** [scripts/Makefile.build:267: kernel/module.o] Error 1
make: *** [Makefile:1735: kernel] Error 2

So, should I 'git bisect skip'?

Thank you,
Giuseppe

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