linux-kernel - Build breakage for allmodconfig

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Date:	Mon, 9 Feb 2015 18:12:58 +0000
From:	"Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:	Andrey Ryabinin <a.ryabinin@...sung.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Build breakage for allmodconfig

Hi Andrey,

There is build breakage for allmodconfig with commit id "kasan: enable
instrumentation of global variables"
f39182cbcd0122ad2c943317b5f07eba91b2cfe5 on linux-next.

scripts/kconfig/conf --silentoldconfig Kconfig
scripts/Makefile.kasan:20: CONFIG_KASAN: compiler does not support all
options. Trying minimal configuration
  SYSTBL  arch/x86/syscalls/../include/generated/asm/syscalls_32.h
  SYSHDR  arch/x86/syscalls/../include/generated/asm/unistd_32_ia32.h
  SYSHDR  arch/x86/syscalls/../include/generated/asm/unistd_64_x32.h
  SYSTBL  arch/x86/syscalls/../include/generated/asm/syscalls_64.h
  SYSHDR  arch/x86/syscalls/../include/generated/uapi/asm/unistd_32.h
  SYSHDR  arch/x86/syscalls/../include/generated/uapi/asm/unistd_64.h
  SYSHDR  arch/x86/syscalls/../include/generated/uapi/asm/unistd_x32.h
  HOSTCC  scripts/basic/bin2c
  HOSTCC  arch/x86/tools/relocs_32.o
  HOSTCC  arch/x86/tools/relocs_64.o
  HOSTCC  arch/x86/tools/relocs_common.o
  HOSTLD  arch/x86/tools/relocs
  CHK     include/config/kernel.release
  UPD     include/config/kernel.release
  WRAP    arch/x86/include/generated/asm/clkdev.h
  WRAP    arch/x86/include/generated/asm/cputime.h
  WRAP    arch/x86/include/generated/asm/dma-contiguous.h
  WRAP    arch/x86/include/generated/asm/early_ioremap.h
  WRAP    arch/x86/include/generated/asm/mcs_spinlock.h
  WRAP    arch/x86/include/generated/asm/scatterlist.h
  CHK     include/generated/uapi/linux/version.h
  UPD     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  CHECK   arch/x86/purgatory/purgatory.c
No such file: asan-globals=1
make[1]: *** [arch/x86/purgatory/purgatory.o] Error 1
make: *** [archprepare] Error 2

Note: this is observed only when sparse is enabled.

Regards,
--Prabhakar Lad
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