From: Oleg Nesterov <oleg@redhat.com>
Date: Sat, 30 Mar 2013 17:46:22 +0000 (+0100)
Subject: uprobes/tracing: Make uprobe_{trace,perf}_print() uretprobe-friendly
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~119^2~9^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=393a736c280d555d9301fc5516d4d401544eb9db;p=pandora-kernel.git

uprobes/tracing: Make uprobe_{trace,perf}_print() uretprobe-friendly

Change uprobe_trace_print() and uprobe_perf_print() to check
is_ret_probe() and fill ring_buffer_event accordingly.

Also change uprobe_trace_func() and uprobe_perf_func() to not
_print() if is_ret_probe() is true. Note that we keep ->handler()
nontrivial even for uretprobe, we need this for filtering and for
other potential extensions.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Tested-by: Anton Arapov <anton@redhat.com>
---

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