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Subject[PATCH 04/11] tracing: consolidate the STACKTRACE_SUPPORT symbol
Date
Add one definition to kernel/trace/Kconfig and let the architectures
select if it supported.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/arc/Kconfig | 6 ++----
arch/arm/Kconfig | 5 +----
arch/arm64/Kconfig | 4 +---
arch/hexagon/Kconfig | 5 +----
arch/ia64/Kconfig | 4 +---
arch/microblaze/Kconfig | 4 +---
arch/mips/Kconfig | 5 +----
arch/nds32/Kconfig | 4 +---
arch/openrisc/Kconfig | 4 +---
arch/parisc/Kconfig | 4 +---
arch/powerpc/Kconfig | 5 +----
arch/riscv/Kconfig | 4 +---
arch/s390/Kconfig | 4 +---
arch/sh/Kconfig | 4 +---
arch/sparc/Kconfig | 5 +----
arch/um/Kconfig | 7 ++-----
arch/unicore32/Kconfig | 4 +---
arch/x86/Kconfig | 4 +---
arch/xtensa/Kconfig | 4 +---
kernel/trace/Kconfig | 3 +++
20 files changed, 24 insertions(+), 65 deletions(-)

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index c0dd229af534..e8e3776fc5fa 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -47,6 +47,8 @@ config ARC
select OF_RESERVED_MEM
select PCI_SYSCALL if PCI
select PERF_USE_VMALLOC if ARC_CACHE_VIPT_ALIASING
+ select STACKTRACE_SUPPORT
+ select STACKTRACE

config ARCH_HAS_CACHE_LINE_SIZE
def_bool y
@@ -81,10 +83,6 @@ config GENERIC_CALIBRATE_DELAY
config GENERIC_HWEIGHT
def_bool y

-config STACKTRACE_SUPPORT
- def_bool y
- select STACKTRACE
-
config HAVE_ARCH_TRANSPARENT_HUGEPAGE
def_bool y
depends on ARC_MMU_V4
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1ed4c0560b50..68a891f3ffa0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -109,6 +109,7 @@ config ARM
select REFCOUNT_FULL
select RTC_LIB
select RWSEM_XCHGADD_ALGORITHM
+ select STACKTRACE_SUPPORT
select SYS_SUPPORTS_APM_EMULATION
# Above selects are sorted alphabetically; please add new ones
# according to that. Thanks.
@@ -165,10 +166,6 @@ config NO_IOPORT_MAP
config SBUS
bool

-config STACKTRACE_SUPPORT
- bool
- default y
-
config LOCKDEP_SUPPORT
bool
default y
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 2f8da4e18a1e..a6a0bb868369 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -172,6 +172,7 @@ config ARM64
select REFCOUNT_FULL
select RWSEM_XCHGADD_ALGORITHM
select SPARSE_IRQ
+ select STACKTRACE_SUPPORT
select SWIOTLB
select SYSCTL_EXCEPTION_TRACE
select THREAD_INFO_IN_TASK
@@ -226,9 +227,6 @@ config ARCH_MMAP_RND_COMPAT_BITS_MAX
config NO_IOPORT_MAP
def_bool y if !PCI

-config STACKTRACE_SUPPORT
- def_bool y
-
config ILLEGAL_POINTER_VALUE
hex
default 0xdead000000000000
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 49f364ea18d4..615693b62ea0 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -26,6 +26,7 @@ config HEXAGON
select NO_IOPORT_MAP
select GENERIC_IOMAP
select GENERIC_SMP_IDLE_THREAD
+ select STACKTRACE
select STACKTRACE_SUPPORT
select GENERIC_CLOCKEVENTS
select GENERIC_CLOCKEVENTS_BROADCAST
@@ -68,10 +69,6 @@ config GENERIC_IRQ_PROBE
config GENERIC_HWEIGHT
def_bool y

-config STACKTRACE_SUPPORT
- def_bool y
- select STACKTRACE
-
config GENERIC_BUG
def_bool y
depends on BUG
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 99a629f05de4..8c14b669d194 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -54,6 +54,7 @@ config IA64
select NEED_DMA_MAP_STATE
select NEED_SG_DMA_LENGTH
select RWSEM_XCHGADD_ALGORITHM
+ select STACKTRACE_SUPPORT
default y
help
The Itanium Processor Family is Intel's 64-bit successor to
@@ -78,9 +79,6 @@ config MMU
bool
default y

-config STACKTRACE_SUPPORT
- def_bool y
-
config GENERIC_LOCKBREAK
def_bool n

diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index d459c70d9a66..ecccf8651caa 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -37,6 +37,7 @@ config MICROBLAZE
select OF_EARLY_FLATTREE
select PCI_DOMAINS_GENERIC if PCI
select PCI_SYSCALL if PCI
+ select STACKTRACE_SUPPORT
select TRACING_SUPPORT
select VIRT_TO_BUS
select CPU_NO_EFFICIENT_FFS
@@ -75,9 +76,6 @@ config GENERIC_CALIBRATE_DELAY
config GENERIC_CSUM
def_bool y

-config STACKTRACE_SUPPORT
- def_bool y
-
config LOCKDEP_SUPPORT
def_bool y

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 6ad1882a8db9..0645e7b96493 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -80,6 +80,7 @@ config MIPS
select MODULES_USE_ELF_REL if MODULES
select PERF_USE_VMALLOC
select RTC_LIB
+ select STACKTRACE_SUPPORT
select SYSCTL_EXCEPTION_TRACE
select VIRT_TO_BUS

@@ -3053,10 +3054,6 @@ config LOCKDEP_SUPPORT
bool
default y

-config STACKTRACE_SUPPORT
- bool
- default y
-
config HAVE_LATENCYTOP_SUPPORT
bool
default y
diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig
index 6a3c53d05dcd..65a506fe25a9 100644
--- a/arch/nds32/Kconfig
+++ b/arch/nds32/Kconfig
@@ -38,6 +38,7 @@ config NDS32
select OF_EARLY_FLATTREE
select NO_IOPORT_MAP
select RTC_LIB
+ select STACKTRACE_SUPPORT
select THREAD_INFO_IN_TASK
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_GRAPH_TRACER
@@ -62,9 +63,6 @@ config GENERIC_LOCKBREAK
config TRACE_IRQFLAGS_SUPPORT
def_bool y

-config STACKTRACE_SUPPORT
- def_bool y
-
config FIX_EARLYCON_MEM
def_bool y

diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index 9f51da5e4f57..addbe1d0dee6 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -35,6 +35,7 @@ config OPENRISC
select OMPIC if SMP
select ARCH_WANT_FRAME_POINTERS
select GENERIC_IRQ_MULTI_HANDLER
+ select STACKTRACE_SUPPORT

config CPU_BIG_ENDIAN
def_bool y
@@ -56,9 +57,6 @@ config TRACE_IRQFLAGS_SUPPORT
config GENERIC_CSUM
def_bool y

-config STACKTRACE_SUPPORT
- def_bool y
-
config LOCKDEP_SUPPORT
def_bool y

diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 8efbeeafb68e..9288ff6af559 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -53,6 +53,7 @@ config PARISC
select CPU_NO_EFFICIENT_FFS
select NEED_DMA_MAP_STATE
select NEED_SG_DMA_LENGTH
+ select STACKTRACE_SUPPORT

help
The PA-RISC microprocessor is designed by Hewlett-Packard and used
@@ -104,9 +105,6 @@ config TIME_LOW_RES
config PM
bool

-config STACKTRACE_SUPPORT
- def_bool y
-
config ISA_DMA_API
bool

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2c3ccffbb2ec..45d0d69237b1 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -91,10 +91,6 @@ config PPC_WATCHDOG
seleted via the generic lockup detector menu which is why we
have no standalone config option for it here.

-config STACKTRACE_SUPPORT
- bool
- default y
-
config TRACE_IRQFLAGS_SUPPORT
bool
default y
@@ -234,6 +230,7 @@ config PPC
select RTC_LIB
select RWSEM_XCHGADD_ALGORITHM
select SPARSE_IRQ
+ select STACKTRACE_SUPPORT
select SYSCTL_EXCEPTION_TRACE
select VIRT_TO_BUS if !PPC64
#
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index fa251310c48c..f0e87594fc9b 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -47,6 +47,7 @@ config RISCV
select PCI_DOMAINS_GENERIC if PCI
select PCI_MSI if PCI
select RISCV_TIMER
+ select STACKTRACE_SUPPORT
select GENERIC_IRQ_MULTI_HANDLER
select ARCH_HAS_PTE_SPECIAL

@@ -63,9 +64,6 @@ config PAGE_OFFSET
default 0xffffffff80000000 if 64BIT && MAXPHYSMEM_2GB
default 0xffffffe000000000 if 64BIT && MAXPHYSMEM_128GB

-config STACKTRACE_SUPPORT
- def_bool y
-
config TRACE_IRQFLAGS_SUPPORT
def_bool y

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 7f547d4d835f..fde5d60aab7e 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -11,9 +11,6 @@ config CPU_BIG_ENDIAN
config LOCKDEP_SUPPORT
def_bool y

-config STACKTRACE_SUPPORT
- def_bool y
-
config ARCH_HAS_ILOG2_U32
def_bool n

@@ -177,6 +174,7 @@ config S390
select PCI_MSI if PCI
select RWSEM_XCHGADD_ALGORITHM
select SPARSE_IRQ
+ select STACKTRACE_SUPPORT
select SYSCTL_EXCEPTION_TRACE
select THREAD_INFO_IN_TASK
select TTY
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 4f8c7472079b..e77d3befa52a 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -49,6 +49,7 @@ config SUPERH
select OLD_SIGSUSPEND
select OLD_SIGACTION
select PCI_DOMAINS if PCI
+ select STACKTRACE_SUPPORT
select HAVE_ARCH_AUDITSYSCALL
select HAVE_FUTEX_CMPXCHG if FUTEX
select HAVE_NMI
@@ -126,9 +127,6 @@ config SYS_SUPPORTS_SMP
config SYS_SUPPORTS_NUMA
bool

-config STACKTRACE_SUPPORT
- def_bool y
-
config LOCKDEP_SUPPORT
def_bool y

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 60c90e59eb3c..85c4447fce00 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -91,6 +91,7 @@ config SPARC64
select ARCH_HAS_PTE_SPECIAL
select PCI_DOMAINS if PCI
select RWSEM_XCHGADD_ALGORITHM
+ select STACKTRACE_SUPPORT

config ARCH_DEFCONFIG
string
@@ -107,10 +108,6 @@ config ARCH_ATU
bool
default y if SPARC64

-config STACKTRACE_SUPPORT
- bool
- default y if SPARC64
-
config LOCKDEP_SUPPORT
bool
default y if SPARC64
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index ec9711d068b7..a88ad4c0c3b4 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -17,6 +17,8 @@ config UML
select GENERIC_CPU_DEVICES
select GENERIC_CLOCKEVENTS
select HAVE_GCC_PLUGINS
+ select STACKTRACE
+ select STACKTRACE_SUPPORT
select TTY # Needed for line.c

config MMU
@@ -40,11 +42,6 @@ config LOCKDEP_SUPPORT
bool
default y

-config STACKTRACE_SUPPORT
- bool
- default y
- select STACKTRACE
-
config GENERIC_CALIBRATE_DELAY
bool
default y
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index e080087f0762..d7dccc247301 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -20,6 +20,7 @@ config UNICORE32
select GENERIC_IOMAP
select MODULES_USE_ELF_REL
select NEED_DMA_MAP_STATE
+ select STACKTRACE_SUPPORT
help
UniCore-32 is 32-bit Instruction Set Architecture,
including a series of low-power-consumption RISC chip
@@ -32,9 +33,6 @@ config GENERIC_CSUM
config NO_IOPORT_MAP
bool

-config STACKTRACE_SUPPORT
- def_bool y
-
config LOCKDEP_SUPPORT
def_bool y

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 3c98f3f78631..c5f92cfd5d85 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -206,6 +206,7 @@ config X86
select SPARSE_IRQ
select SRCU
select SYSCTL_EXCEPTION_TRACE
+ select STACKTRACE_SUPPORT
select THREAD_INFO_IN_TASK
select USER_STACKTRACE_SUPPORT
select VIRT_TO_BUS
@@ -228,9 +229,6 @@ config ARCH_DEFCONFIG
config LOCKDEP_SUPPORT
def_bool y

-config STACKTRACE_SUPPORT
- def_bool y
-
config MMU
def_bool y

diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index ddd3b02191a6..51cdd270a44d 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -35,6 +35,7 @@ config XTENSA
select MODULES_USE_ELF_RELA
select PERF_USE_VMALLOC
select RWSEM_XCHGADD_ALGORITHM
+ select STACKTRACE_SUPPORT
select VIRT_TO_BUS
help
Xtensa processors are 32-bit RISC machines designed by Tensilica
@@ -63,9 +64,6 @@ config HZ
config LOCKDEP_SUPPORT
def_bool y

-config STACKTRACE_SUPPORT
- def_bool y
-
config TRACE_IRQFLAGS_SUPPORT
def_bool y

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index fa8b1fe824f3..80291d016e21 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -3,6 +3,9 @@
# select HAVE_FUNCTION_TRACER:
#

+config STACKTRACE_SUPPORT
+ bool
+
config USER_STACKTRACE_SUPPORT
bool

--
2.20.1
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