The patch titled
Subject: Kconfig: clean up the "#if defined(arch)" list for exception-trace sysctl entry
has been added to the -mm tree. Its filename is
kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry.patch
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------------------------------------------------------
From: Catalin Marinas <catalin.marinas@xxxxxxx>
Subject: Kconfig: clean up the "#if defined(arch)" list for exception-trace sysctl entry
Introduce SYSCTL_EXCEPTION_TRACE config option and selec it in the
architectures requiring support for the "exception-trace" debug_table
entry in kernel/sysctl.c.
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Chris Metcalf <cmetcalf@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm64/Kconfig | 1 +
arch/powerpc/Kconfig | 1 +
arch/s390/Kconfig | 1 +
arch/sparc/Kconfig | 1 +
arch/tile/Kconfig | 1 +
arch/x86/Kconfig | 1 +
init/Kconfig | 5 +++++
kernel/sysctl.c | 3 +--
8 files changed, 12 insertions(+), 2 deletions(-)
diff -puN arch/arm64/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry arch/arm64/Kconfig
--- a/arch/arm64/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry
+++ a/arch/arm64/Kconfig
@@ -28,6 +28,7 @@ config ARM64
select PERF_USE_VMALLOC
select RTC_LIB
select SPARSE_IRQ
+ select SYSCTL_EXCEPTION_TRACE
help
ARM 64-bit (AArch64) Linux support.
diff -puN arch/powerpc/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry arch/powerpc/Kconfig
--- a/arch/powerpc/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry
+++ a/arch/powerpc/Kconfig
@@ -99,6 +99,7 @@ config PPC
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_GRAPH_TRACER
+ select SYSCTL_EXCEPTION_TRACE
select ARCH_WANT_OPTIONAL_GPIOLIB
select HAVE_IDE
select HAVE_IOREMAP_PROT
diff -puN arch/s390/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry arch/s390/Kconfig
--- a/arch/s390/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry
+++ a/arch/s390/Kconfig
@@ -68,6 +68,7 @@ config S390
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_C_RECORDMCOUNT
select HAVE_SYSCALL_TRACEPOINTS
+ select SYSCTL_EXCEPTION_TRACE
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_REGS_AND_STACK_ACCESS_API
diff -puN arch/sparc/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry arch/sparc/Kconfig
--- a/arch/sparc/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry
+++ a/arch/sparc/Kconfig
@@ -18,6 +18,7 @@ config SPARC
select HAVE_OPROFILE
select HAVE_ARCH_KGDB if !SMP || SPARC64
select HAVE_ARCH_TRACEHOOK
+ select SYSCTL_EXCEPTION_TRACE
select ARCH_WANT_OPTIONAL_GPIOLIB
select RTC_CLASS
select RTC_DRV_M48T59
diff -puN arch/tile/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry arch/tile/Kconfig
--- a/arch/tile/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry
+++ a/arch/tile/Kconfig
@@ -7,6 +7,7 @@ config TILE
select HAVE_DMA_API_DEBUG
select HAVE_KVM if !TILEGX
select GENERIC_FIND_FIRST_BIT
+ select SYSCTL_EXCEPTION_TRACE
select USE_GENERIC_SMP_HELPERS
select CC_OPTIMIZE_FOR_SIZE
select HAVE_DEBUG_KMEMLEAK
diff -puN arch/x86/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry arch/x86/Kconfig
--- a/arch/x86/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry
+++ a/arch/x86/Kconfig
@@ -47,6 +47,7 @@ config X86
select HAVE_FUNCTION_GRAPH_FP_TEST
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_SYSCALL_TRACEPOINTS
+ select SYSCTL_EXCEPTION_TRACE
select HAVE_KVM
select HAVE_ARCH_KGDB
select HAVE_ARCH_TRACEHOOK
diff -puN init/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry init/Kconfig
--- a/init/Kconfig~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry
+++ a/init/Kconfig
@@ -1163,6 +1163,11 @@ config SYSCTL_SYSCALL
If unsure say N here.
+config SYSCTL_EXCEPTION_TRACE
+ bool
+ help
+ Enable support for /proc/sys/debug/exception-trace.
+
config KALLSYMS
bool "Load all symbols for debugging/ksymoops" if EXPERT
default y
diff -puN kernel/sysctl.c~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry kernel/sysctl.c
--- a/kernel/sysctl.c~kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry
+++ a/kernel/sysctl.c
@@ -1560,8 +1560,7 @@ static struct ctl_table fs_table[] = {
};
static struct ctl_table debug_table[] = {
-#if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) || \
- defined(CONFIG_S390) || defined(CONFIG_TILE) || defined(CONFIG_ARM64)
+#ifdef CONFIG_SYSCTL_EXCEPTION_TRACE
{
.procname = "exception-trace",
.data = &show_unhandled_signals,
_
Patches currently in -mm which might be from catalin.marinas@xxxxxxx are
origin.patch
linux-next.patch
kconfig-clean-up-the-long-arch-list-for-the-uid16-config-option.patch
kconfig-clean-up-the-long-arch-list-for-the-debug_kmemleak-config-option.patch
kconfig-clean-up-the-long-arch-list-for-the-debug_bugverbose-config-option.patch
kconfig-clean-up-the-if-definedarch-list-for-exception-trace-sysctl-entry.patch
rbtree-add-prio-tree-and-interval-tree-tests.patch
mm-replace-vma-prio_tree-with-an-interval-tree.patch
kmemleak-use-rbtree-instead-of-prio-tree.patch
prio_tree-remove.patch
rbtree-move-augmented-rbtree-functionality-to-rbtree_augmentedh.patch
mm-thp-fix-the-pmd_clear-arguments-in-pmdp_get_and_clear.patch
mm-thp-fix-the-update_mmu_cache-last-argument-passing-in-mm-huge_memoryc.patch
compat-generic-compat_sys_sched_rr_get_interval-implementation.patch
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