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ARM: 8375/1: disable some options on ARMv7-M

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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>
This commit is contained in:
Arnd Bergmann 2015-05-26 15:40:44 +01:00 • committed by Russell King
commit cb1293e2f5
1 changed files with 3 additions and 2 deletions
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5
arch/arm/Kconfig
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@ -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