diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2016-04-15 11:31:51 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2016-04-15 11:42:51 +0200 |
| commit | 4d4fb97a62105c07dcccd350c391a65f576726c4 (patch) | |
| tree | 36f5ba480d7ea790b8cedf7e49bebab781659f73 /arch/powerpc/Kconfig | |
| parent | 61bf12d3304d78ff499245ea995858c3bedb162e (diff) | |
| parent | 85baa095497f3e590df9f6c8932121f123efca5c (diff) | |
Merge branch 'topic/livepatch' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux into for-4.7/livepatching-ppc64le
Pull livepatching support for ppc64 architecture from Michael Ellerman.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 832cc461d0af..944a79a2768f 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -94,6 +94,7 @@ config PPC select OF_RESERVED_MEM select HAVE_FTRACE_MCOUNT_RECORD select HAVE_DYNAMIC_FTRACE + select HAVE_DYNAMIC_FTRACE_WITH_REGS if MPROFILE_KERNEL select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select SYSCTL_EXCEPTION_TRACE @@ -158,6 +159,7 @@ config PPC select ARCH_HAS_DEVMEM_IS_ALLOWED select HAVE_ARCH_SECCOMP_FILTER select ARCH_HAS_UBSAN_SANITIZE_ALL + select HAVE_LIVEPATCH if HAVE_DYNAMIC_FTRACE_WITH_REGS config GENERIC_CSUM def_bool CPU_LITTLE_ENDIAN @@ -373,6 +375,24 @@ config PPC_TRANSACTIONAL_MEM ---help--- Support user-mode Transactional Memory on POWERPC. +config DISABLE_MPROFILE_KERNEL + bool "Disable use of mprofile-kernel for kernel tracing" + depends on PPC64 && CPU_LITTLE_ENDIAN + default y + help + Selecting this options disables use of the mprofile-kernel ABI for + kernel tracing. That will cause options such as live patching + (CONFIG_LIVEPATCH) which depend on CONFIG_DYNAMIC_FTRACE_WITH_REGS to + be disabled also. + + If you have a toolchain which supports mprofile-kernel, then you can + enable this. Otherwise leave it disabled. If you're not sure, say + "N". + +config MPROFILE_KERNEL + depends on PPC64 && CPU_LITTLE_ENDIAN + def_bool !DISABLE_MPROFILE_KERNEL + config IOMMU_HELPER def_bool PPC64 @@ -1087,3 +1107,5 @@ config PPC_LIB_RHEAP bool source "arch/powerpc/kvm/Kconfig" + +source "kernel/livepatch/Kconfig" |