2006-11-26 Frank Ch. Eigler <fche@redhat.com>

	PRs 2685, 3596, toward 2725.
	* tapsets.cxx (common_probe_entryfn_prologue): Skip probe on
	insufficient stack.
	(build_blacklist): Add a slew of lock-related calls.
	(query_module): Check for debuginfo architecture match.
	* translate.cxx (translate_pass): Add default MINSTACKSPACE.
	* configure.ac: Link stap with -lebl too.
	* configure: Regenerated.
	* stap.1.in: Document MINSTACKSPACE parameter.

1 files changed, 6 insertions, 1 deletions

diff --git a/stap.1.in b/stap.1.in
index 5b5cd3e6..3986c52b 100644
--- a/stap.1.in
+++ b/stap.1.in
@@ -746,7 +746,7 @@ script is translated again assuming the same conditions exist (same kernel
 version, same systemtap version, etc.).  Cached files are stored in
 the
 .I $SYSTEMTAP_DIR/cache
-directory.
+directory, which may be periodically cleaned/erased by the user.
 
 .SH SAFETY AND SECURITY
 Systemtap is an administrative tool.  It exposes kernel internal data
@@ -801,6 +801,11 @@ means that the first error will exit the script.
 .TP
 MAXSKIPPED
 Maximum number of skipped reentrant probes before an exit is triggered, default 100.
+.TP
+MINSTACKSPACE
+Minimum number of free kernel stack bytes required in order to
+run a probe handler, default 1024.  This number should be large enough
+for the probe handler's own needs, plus a safety margin.
 
 .PP
 In case something goes wrong with