Re: [PATCH v4 0/6] implement KASLR for powerpc/fsl_booke/64

Hi Jason,

I tried to compile this series and got the following error:

/home/dja/dev/linux/linux/arch/powerpc/mm/nohash/kaslr_booke.c: In function ‘kaslr_early_init’:
/home/dja/dev/linux/linux/arch/powerpc/mm/nohash/kaslr_booke.c:357:33: error: ‘linear_sz’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
  357 |  regions.pa_end = memstart_addr + linear_sz;
      |                   ~~~~~~~~~~~~~~^~~~~~~~~~~
/home/dja/dev/linux/linux/arch/powerpc/mm/nohash/kaslr_booke.c:317:21: note: ‘linear_sz’ was declared here
  317 |  unsigned long ram, linear_sz;
      |                     ^~~~~~~~~
/home/dja/dev/linux/linux/arch/powerpc/mm/nohash/kaslr_booke.c:187:8: error: ‘ram’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
  187 |  ret = parse_crashkernel(boot_command_line, size, &crash_size,
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  188 |     &crash_base);
      |     ~~~~~~~~~~~~
/home/dja/dev/linux/linux/arch/powerpc/mm/nohash/kaslr_booke.c:317:16: note: ‘ram’ was declared here
  317 |  unsigned long ram, linear_sz;
      |                ^~~
cc1: all warnings being treated as errors
make[4]: *** [/home/dja/dev/linux/linux/scripts/Makefile.build:268: arch/powerpc/mm/nohash/kaslr_booke.o] Error 1
make[3]: *** [/home/dja/dev/linux/linux/scripts/Makefile.build:505: arch/powerpc/mm/nohash] Error 2
make[2]: *** [/home/dja/dev/linux/linux/scripts/Makefile.build:505: arch/powerpc/mm] Error 2
make[2]: *** Waiting for unfinished jobs....

I have attached my .config file.

I'm using
powerpc64-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008

Regards,
Daniel