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From: Petr Mladek <pmladek@suse.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Jiri Kosina <jikos@kernel.org>, Miroslav Benes <mbenes@suse.cz>,
	Jonathan Corbet <corbet@lwn.net>, Guo Ren <guoren@kernel.org>,
	"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
	Helge Deller <deller@gmx.de>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Kees Cook <keescook@chromium.org>,
	Anton Vorontsov <anton@enomsg.org>,
	Colin Cross <ccross@android.com>, Tony Luck <tony.luck@intel.com>,
	Joe Lawrence <joe.lawrence@redhat.com>,
	Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>,
	Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	linux-doc@vger.kernel.org, linux-csky@vger.kernel.org,
	linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-s390@vger.kernel.org, live-patching@vger.kernel.org
Subject: Re: [PATCH 11/11 v3] ftrace: Add recording of functions that caused recursion
Date: Fri, 6 Nov 2020 15:27:38 +0100	[thread overview]
Message-ID: <20201106142738.GX20201@alley> (raw)
In-Reply-To: <20201106084131.7dfc3a30@gandalf.local.home>

On Fri 2020-11-06 08:41:31, Steven Rostedt wrote:
> On Fri, 6 Nov 2020 14:13:17 +0100
> Petr Mladek <pmladek@suse.com> wrote:
> 
> > JFYI, the code reading and writing the cache looks good to me.
> > 
> > It is still possible that some entries might stay unused (filled
> > with zeroes) but it should be hard to hit in practice. It
> > is good enough from my POV.
> 
> You mean the part that was commented?

Yeah, it is the comment problem when nr_records is pushed forward.

> > 
> > I do not give Reviewed-by tag just because I somehow do not have power
> > to review the entire patch carefully enough at the moment.
> 
> No problem. Thanks for looking at it.
> 
> I'm adding a link to this thread, so if someone wants proof you helped out
> on this code, you can have them follow the links ;-)
> 
> Anyway, even if I push this to linux-next where I stop rebasing code
> (because of test coverage), I do rebase for adding tags. So if you ever get
> around at looking at this code, I can add that tag later (before the next
> merge window), or if you find something, I could fix it with a new patch and
> give you a Reported-by.

Good to know.

Best Regards,
Petr

      reply	other threads:[~2020-11-06 14:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20201106023235.367190737@goodmis.org>
2020-11-06  2:32 ` [PATCH 06/11 v3] livepatch/ftrace: Add recursion protection to the ftrace callback Steven Rostedt
2020-11-06 10:05   ` Miroslav Benes
2020-11-06  2:32 ` [PATCH 07/11 v3] livepatch: Trigger WARNING if livepatch function fails due to recursion Steven Rostedt
2020-11-06 10:07   ` Miroslav Benes
2020-11-06  2:32 ` [PATCH 11/11 v3] ftrace: Add recording of functions that caused recursion Steven Rostedt
2020-11-06 13:13   ` Petr Mladek
2020-11-06 13:41     ` Steven Rostedt
2020-11-06 14:27       ` Petr Mladek [this message]

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