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arm64: Add support for /proc/sys/debug/exception-trace 

This patch allows setting of the show_unhandled_signals variable via
/proc/sys/debug/exception-trace. The default value is currently 1
showing unhandled user faults (undefined instructions, data aborts) and
invalid signal stack frames.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
This commit is contained in:
Catalin Marinas 2012-08-14 17:08:45 +01:00
parent 478fcb2cdb
commit 5c4233697c
1 changed files with 1 additions and 1 deletions
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2
kernel/sysctl.c
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@ -1544,7 +1544,7 @@ 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_S390) || defined(CONFIG_TILE) || defined(CONFIG_ARM64)
{
.procname = "exception-trace",
.data = &show_unhandled_signals,