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gcov: enable GCOV_PROFILE_ALL from ARCH Kconfigs

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Following the suggestions from Andrew Morton and Stephen Rothwell,
Dont expand the ARCH list in kernel/gcov/Kconfig. Instead,
define a ARCH_HAS_GCOV_PROFILE_ALL bool which architectures
can enable.

set ARCH_HAS_GCOV_PROFILE_ALL on Architectures where it was
previously allowed + ARM64 which I tested.

Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Cc: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 957e3facd1)
Signed-off-by: Mark Brown <broonie@kernel.org>

Conflicts:
	arch/arm/Kconfig
	arch/arm64/Kconfig
	arch/microblaze/Kconfig
	arch/s390/Kconfig
	arch/x86/Kconfig
This commit is contained in:
Riku Voipio 2014-12-12 16:57:44 -08:00 committed by Mark Brown
parent eb05fc8193
commit 3d95e2f8f6
8 changed files with 11 additions and 1 deletions
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1
arch/arm/Kconfig
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@ -5,6 +5,7 @@ config ARM
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT if MMU
select CPU_PM if (SUSPEND || CPU_IDLE)

1
arch/arm64/Kconfig
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@ -1,6 +1,7 @@
config ARM64
def_bool y
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_WANT_OPTIONAL_GPIOLIB
select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
select ARCH_WANT_FRAME_POINTERS

1
arch/microblaze/Kconfig
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@ -1,5 +1,6 @@
config MICROBLAZE
def_bool y
select ARCH_HAS_GCOV_PROFILE_ALL
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_FUNCTION_TRACER

1
arch/powerpc/Kconfig
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@ -126,6 +126,7 @@ config PPC
select HAVE_BPF_JIT if PPC64
select HAVE_ARCH_JUMP_LABEL
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_HAS_GCOV_PROFILE_ALL
select GENERIC_SMP_IDLE_THREAD
select GENERIC_CMOS_UPDATE
select GENERIC_TIME_VSYSCALL_OLD

1
arch/s390/Kconfig
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@ -62,6 +62,7 @@ config S390
def_bool y
select ARCH_DISCARD_MEMBLOCK
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_INLINE_READ_LOCK
select ARCH_INLINE_READ_LOCK_BH

1
arch/sh/Kconfig
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@ -15,6 +15,7 @@ config SUPERH
select HAVE_DEBUG_BUGVERBOSE
select ARCH_HAVE_CUSTOM_GPIO_H
select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A)
select ARCH_HAS_GCOV_PROFILE_ALL
select PERF_USE_VMALLOC
select HAVE_DEBUG_KMEMLEAK
select HAVE_KERNEL_GZIP

1
arch/x86/Kconfig
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@ -21,6 +21,7 @@ config X86_64
config X86
def_bool y
select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
select ARCH_HAS_GCOV_PROFILE_ALL
select HAVE_AOUT if X86_32
select HAVE_UNSTABLE_SCHED_CLOCK
select ARCH_SUPPORTS_NUMA_BALANCING

5
kernel/gcov/Kconfig
View File

@ -32,10 +32,13 @@ config GCOV_KERNEL
Note that the debugfs filesystem has to be mounted to access
profiling data.
config ARCH_HAS_GCOV_PROFILE_ALL
def_bool n
config GCOV_PROFILE_ALL
bool "Profile entire Kernel"
depends on GCOV_KERNEL
depends on SUPERH || S390 || X86 || PPC || MICROBLAZE || ARM || ARM64
depends on ARCH_HAS_GCOV_PROFILE_ALL
default n
---help---
This options activates profiling for the entire kernel.