Re: [PATCH V9 01/16] rv: Add Runtime Verification (RV) interface
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- Subject: Re: [PATCH V9 01/16] rv: Add Runtime Verification (RV) interface
- From: Steven Rostedt <rostedt@xxxxxxxxxxx>
- Date: Sun, 31 Jul 2022 12:48:24 -0400
- Cc: Tao Zhou <tao.zhou@xxxxxxxxx>, Wim Van Sebroeck <wim@xxxxxxxxxxxxxxxxxx>, Guenter Roeck <linux@xxxxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Will Deacon <will@xxxxxxxxxx>, Catalin Marinas <catalin.marinas@xxxxxxx>, Marco Elver <elver@xxxxxxxxxx>, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, "Paul E. McKenney" <paulmck@xxxxxxxxxx>, Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>, Gabriele Paoloni <gpaoloni@xxxxxxxxxx>, Juri Lelli <juri.lelli@xxxxxxxxxx>, Clark Williams <williams@xxxxxxxxxx>, Randy Dunlap <rdunlap@xxxxxxxxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-trace-devel@xxxxxxxxxxxxxxx
- In-reply-to: <e9c88889-3523-0466-cf52-71f04cb468b8@kernel.org>
- References: <cover.1659052063.git.bristot@kernel.org> <a4bfe038f50cb047bfb343ad0e12b0e646ab308b.1659052063.git.bristot@kernel.org> <YuU7TGxm5pzmBFTx@geo.homenetwork> <0197dd47-ea15-4d8b-5fc7-e466d8a501a7@kernel.org> <YuaadlzgSJLtzOUw@geo.homenetwork> <e9c88889-3523-0466-cf52-71f04cb468b8@kernel.org>
On Sun, 31 Jul 2022 17:56:27 +0200
Daniel Bristot de Oliveira <bristot@xxxxxxxxxx> wrote:
> > Yeah, this is not that clear from my above words expression. I said the return
> > value of da_monitor_init_*() will be 0, but it is not right. Global and per-cpu
> > monitor will return 0, per-task monitor may return a positive value when the
> > slot is equal or greater than RV_PER_TASK_MONITOR_INIT(how possible this will
> > happen I do know yet). This is from reading the current code implementation.
> > I just want to say that there may be a bug here.
>
> goto my previous email;
If you increment RV_PER_TASK_MONITORS to 2, I believe Tao is correct.
-- Steve
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