Hi Andrew,

After merging the akpm-current tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:

powerpc-linux-gcc: error: unrecognized command line option '-m'
scripts/Makefile.build:290: recipe for target 'arch/powerpc/purgatory/printf.o' 

and a few more like that.

Caused by commit

  8635b1186486 ("powerpc: add purgatory for kexec_file_load implementation")

I have disabled KEXEC_FILE on powerpc again for now.

From: Stephen Rothwell <s...@canb.auug.org.au>
Date: Mon, 5 Sep 2016 19:12:42 +1000
Subject: [PATCH] disable KEXEC_FILE on powerpc for now

Signed-off-by: Stephen Rothwell <s...@canb.auug.org.au>
 arch/powerpc/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 41300c3a1bfe..86ea07d7ead2 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -467,6 +467,7 @@ config KEXEC_FILE
        depends on PPC64
        depends on CRYPTO=y
        depends on CRYPTO_SHA256=y
+       depends on BROKEN
          This is a new version of the kexec system call. This call is
          file based and takes in file descriptors as system call arguments

Stephen Rothwell

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