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authorChris Metcalf <cmetcalf@tilera.com>2011-05-16 14:23:44 -0400
committerChris Metcalf <cmetcalf@tilera.com>2011-05-19 22:55:59 -0400
commit571d76acdab95876aeff869ab6449f826c23aa43 (patch)
treeb52ceacfa83b1ab4c5a6950007ce8be03cec192e /kernel/sysctl.c
parent8aaf1dda42576b0f8dffb004065baa806f4df9b6 (diff)
arch/tile: support signal "exception-trace" hook
This change adds support for /proc/sys/debug/exception-trace to tile. Like x86 and sparc, by default it is set to "1", generating a one-line printk whenever a user process crashes. By setting it to "2", we get a much more complete userspace diagnostic at crash time, including a user-space backtrace, register dump, and memory dump around the address of the crash. Some vestiges of the Tilera-internal version of this support are removed with this patch (the show_crashinfo variable and the arch_coredump_signal function). We retain a "crashinfo" boot parameter which allows you to set the boot-time value of exception-trace. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index c0bb32414b17..aaec9342a33c 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1496,7 +1496,7 @@ 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_S390) || defined(CONFIG_TILE)
{
.procname = "exception-trace",
.data = &show_unhandled_signals,