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From:   Thomas Gleixner <tglx@linutronix.de>
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To:     Peter Zijlstra <peterz@infradead.org>, Ondrej Zary <linux@zary.sk>
Cc:     x86@kernel.org, linux-kernel@vger.kernel.org,
        Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH] x86/iopl: Fake iopl(3) CLI/STI usage
In-Reply-To: <YUSCDX5QwzTcCPFa@hirez.programming.kicks-ass.net>
References: <202109151423.43604.linux@zary.sk>
 <202109171011.31916.linux@zary.sk>
 <YURdxNpH8YNQZQT7@hirez.programming.kicks-ass.net>
 <202109171229.19289.linux@zary.sk>
 <YUSCDX5QwzTcCPFa@hirez.programming.kicks-ass.net>
Date:   Fri, 17 Sep 2021 14:33:18 +0200
Message-ID: <87mtob8jqp.ffs@tglx>
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On Fri, Sep 17 2021 at 13:54, Peter Zijlstra wrote:
>> [   14.876824] fixup_iopl_exception: 333 callbacks suppressed
>> [   14.876832] traps: hpasmd[360] attempts to use CLI/STI, pretending it's a NOP, ip:80a5356
>
> I'd say...
>
> Not sure it's really worth it, but something like the below might
> help.

One entry per task is really good enough. Though that wont help for such
stuff which is started over and over again....

Thanks,

        tglx