Messages in this thread | | | Date | Fri, 6 Nov 2020 11:07:24 +0100 (CET) | From | Miroslav Benes <> | Subject | Re: [PATCH 07/11 v3] livepatch: Trigger WARNING if livepatch function fails due to recursion |
| |
On Thu, 5 Nov 2020, Steven Rostedt wrote:
> From: "Steven Rostedt (VMware)" <rostedt@goodmis.org> > > If for some reason a function is called that triggers the recursion > detection of live patching, trigger a warning. By not executing the live > patch code, it is possible that the old unpatched function will be called > placing the system into an unknown state. > > Link: https://lore.kernel.org/r/20201029145709.GD16774@alley > > Cc: Josh Poimboeuf <jpoimboe@redhat.com> > Cc: Jiri Kosina <jikos@kernel.org> > Cc: Joe Lawrence <joe.lawrence@redhat.com> > Cc: live-patching@vger.kernel.org > Suggested-by: Miroslav Benes <mbenes@suse.cz> > Reviewed-by: Petr Mladek <pmladek@suse.com> > Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Miroslav Benes <mbenes@suse.cz>
> --- > Changes since v2: > > - Blame Miroslav instead of Petr ;-)
Thanks. Fortunately, if printk is broken in WARN_ON_ONCE(), I can always blame Petr again :)
M
| |