diff options
author | Arnd Bergmann <arnd@arndb.de> | 2015-05-26 16:40:44 +0200 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-05-28 01:29:22 +0200 |
commit | cb1293e2f594558ccc3995acf9c9d7400b3add36 (patch) | |
tree | fa12ff3dcfdd1520c27d90ebf2641d49cf21b587 /arch/arm/Kconfig | |
parent | ARM: 8374/1: no longer expose CPU_ARM7TDMI/CPU_ARM9TDMI (diff) | |
download | linux-cb1293e2f594558ccc3995acf9c9d7400b3add36.tar.xz linux-cb1293e2f594558ccc3995acf9c9d7400b3add36.zip |
ARM: 8375/1: disable some options on ARMv7-M
Kprobes, irqflags tracing and kexec don't currently build on
kernels targetting ARMv7-M, so for now, we should just disallow
those combinations.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to '')
-rw-r--r-- | arch/arm/Kconfig | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1a2ca2ec1719..0536e8d3cda3 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -57,7 +57,7 @@ config ARM select HAVE_KERNEL_LZMA select HAVE_KERNEL_LZO select HAVE_KERNEL_XZ - select HAVE_KPROBES if !XIP_KERNEL && !CPU_ENDIAN_BE32 + select HAVE_KPROBES if !XIP_KERNEL && !CPU_ENDIAN_BE32 && !CPU_V7M select HAVE_KRETPROBES if (HAVE_KPROBES) select HAVE_MEMBLOCK select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND @@ -171,7 +171,7 @@ config LOCKDEP_SUPPORT config TRACE_IRQFLAGS_SUPPORT bool - default y + default !CPU_V7M config RWSEM_XCHGADD_ALGORITHM bool @@ -1952,6 +1952,7 @@ config XIP_PHYS_ADDR config KEXEC bool "Kexec system call (EXPERIMENTAL)" depends on (!SMP || PM_SLEEP_SMP) + depends on !CPU_V7M help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot |