On Thu, Jul 03, 2014 at 07:55:06AM +0800, kbuild test robot wrote:
> tree: git://git.cmpxchg.org/linux-mmotm.git master
> head: 82b56f797fa200a5e9feac3a93cb6496909b9670
> commit: 025d75374c9c08274f60da5802381a8ef7490388 [289/396] kexec: load and relocate purgatory at kernel load time
> config: make ARCH=s390 allnoconfig
>
> All error/warnings:
>
> kernel/built-in.o: In function `sys_kexec_file_load':
> (.text+0x32314): undefined reference to `crypto_shash_final'
> kernel/built-in.o: In function `sys_kexec_file_load':
> (.text+0x32328): undefined reference to `crypto_shash_update'
> kernel/built-in.o: In function `sys_kexec_file_load':
> >> (.text+0x32338): undefined reference to `crypto_alloc_shash'
Hi,
Now generic kexec implementation requires CRYPTO and CRYPTI_SHA256. Hence
I select these in arch/x86/Kconfig.
config KEXEC
bool "kexec system call"
select BUILD_BIN2C
select CRYPTO
select CRYPTO_SHA256
But I realize that I did not do it for other arches which have KEXEC
defined. And that will lead to failure on other arches.
I will write a patch now and create this additional dependency in
all other arch Kconfig files which support KEXEC.
Thanks
Vivek
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