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| author | Chris Metcalf <cmetcalf@tilera.com> | 2011-05-16 14:23:44 -0400 |
|---|---|---|
| committer | Chris Metcalf <cmetcalf@tilera.com> | 2011-05-19 22:55:59 -0400 |
| commit | 571d76acdab95876aeff869ab6449f826c23aa43 (patch) | |
| tree | b52ceacfa83b1ab4c5a6950007ce8be03cec192e /kernel/sysctl.c | |
| parent | 8aaf1dda42576b0f8dffb004065baa806f4df9b6 (diff) | |
| download | lwn-571d76acdab95876aeff869ab6449f826c23aa43.tar.gz lwn-571d76acdab95876aeff869ab6449f826c23aa43.zip | |
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.c | 2 |
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, |