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| author |   Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com> | 2016-11-29 23:45:53 +1100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-11-30 23:15:27 +1100 |
| commit | 80f60e509a03ff9ff2bdbf9cd1e935c6360b8bd9 (patch) | |
| tree | fc2da34080784a250d3192e86747b167d92b2fc6 /arch/powerpc/Kconfig | |
| parent | powerpc: Add purgatory for kexec_file_load() implementation. (diff) | |
| download | linux-dev-80f60e509a03ff9ff2bdbf9cd1e935c6360b8bd9.tar.xz linux-dev-80f60e509a03ff9ff2bdbf9cd1e935c6360b8bd9.zip | |
powerpc/kexec: Enable kexec_file_load() syscall
Define the Kconfig symbol so that the kexec_file_load() code can be
built, and wire up the syscall so that it can be called.
Signed-off-by: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index a063c7235fa9..48923c349ccb 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -465,6 +465,19 @@ config KEXEC interface is strongly in flux, so no good recommendation can be made. +config KEXEC_FILE + bool "kexec file based system call" + select KEXEC_CORE + select BUILD_BIN2C + depends on PPC64 + depends on CRYPTO=y + depends on CRYPTO_SHA256=y + help + This is a new version of the kexec system call. This call is + file based and takes in file descriptors as system call arguments + for kernel and initramfs as opposed to a list of segments as is the + case for the older kexec call. + config RELOCATABLE bool "Build a relocatable kernel" depends on (PPC64 && !COMPILE_TEST) || (FLATMEM && (44x || FSL_BOOKE)) |