From: Jiri Slaby <jslaby@suse.cz>
To: linux-kernel@vger.kernel.org
Cc: tj@kernel.org, rostedt@goodmis.org, mingo@redhat.com,
akpm@linux-foundation.org, andi@firstfloor.org,
paulmck@linux.vnet.ibm.com, pavel@ucw.cz, jirislaby@gmail.com,
Vojtech Pavlik <vojtech@suse.cz>, Michael Matz <matz@suse.de>,
Jiri Kosina <jkosina@suse.cz>, Jiri Slaby <jslaby@suse.cz>
Subject: [PATCH -repost 17/21] kgr: exercise non-present function
Date: Wed, 25 Jun 2014 13:07:11 +0200 [thread overview]
Message-ID: <1403694435-3180-17-git-send-email-jslaby@suse.cz> (raw)
In-Reply-To: <1403694435-3180-1-git-send-email-jslaby@suse.cz>
This is to test the newly added functionality: non-fatal patching of
yet unknown functions.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
samples/kgraft/kgraft_patcher.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/samples/kgraft/kgraft_patcher.c b/samples/kgraft/kgraft_patcher.c
index 5d02a908bc26..e96eef840397 100644
--- a/samples/kgraft/kgraft_patcher.c
+++ b/samples/kgraft/kgraft_patcher.c
@@ -63,10 +63,17 @@ static bool new_capable(int cap)
}
KGR_PATCHED_FUNCTION(capable, new_capable, true);
+static void new_function(unsigned long data)
+{
+ pr_info("kgr-patcher: %s\n", __func__);
+}
+KGR_PATCHED_FUNCTION(unknown_function, new_function, false);
+
static struct kgr_patch patch = {
.patches = {
KGR_PATCH(SyS_iopl),
KGR_PATCH(capable),
+ KGR_PATCH(unknown_function),
KGR_PATCH_END
}
};
--
2.0.0
next prev parent reply other threads:[~2014-06-25 11:09 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-25 11:06 [PATCH -repost 01/21] ftrace: Add function to find fentry of function Jiri Slaby
2014-06-25 11:06 ` [PATCH -repost 02/21] ftrace: Make ftrace_is_dead available globally Jiri Slaby
2014-06-25 11:06 ` [PATCH -repost 03/21] kgr: initial code Jiri Slaby
2014-06-25 11:06 ` [PATCH -repost 04/21] kgr: add testing kgraft patch Jiri Slaby
2014-06-25 11:06 ` [PATCH -repost 05/21] kgr: update Kconfig documentation Jiri Slaby
2014-06-25 12:42 ` One Thousand Gnomes
2014-06-26 8:25 ` Jiri Slaby
2014-06-26 8:34 ` Jiri Kosina
2014-06-27 19:18 ` Pavel Machek
2014-07-04 9:14 ` Jiri Slaby
2014-07-04 10:35 ` Pavel Machek
2014-07-05 19:47 ` Jiri Kosina
2014-07-06 12:35 ` Pavel Machek
2014-06-25 11:07 ` [PATCH -repost 06/21] kgr: add Documentation Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 07/21] kgr: trigger the first check earlier Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 08/21] kgr: sched.h, introduce kgr_task_safe helper Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 09/21] kgr: mark task_safe in some kthreads Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 10/21] kgr: kthreads support Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 11/21] kgr: handle irqs Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 12/21] kgr: add MAINTAINERS entry Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 13/21] kgr: x86: refuse to build without fentry support Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 14/21] kgr: add procfs interface for per-process 'kgr_in_progress' Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 15/21] kgr: make a per-process 'in progress' flag a single bit Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 16/21] kgr: add support for missing functions Jiri Slaby
2014-06-25 11:07 ` Jiri Slaby [this message]
2014-06-25 11:07 ` [PATCH -repost 18/21] kgr: fix race of stub and patching Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 19/21] kgr: expose global 'in_progress' state through procfs Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 20/21] kgr: rephrase the "kGraft failed" message Jiri Slaby
2014-06-25 11:07 ` [PATCH -repost 21/21] kgr: x86: optimize handling of CPU-bound tasks Jiri Slaby
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