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Message-ID: <b38ecb38-2709-0c75-fe08-375dd4a87d5f@nospam.xutrox.com>
Date:   Sun, 16 Oct 2022 11:53:14 +0200
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Subject: Re: [PATCH] x86/perf: Fixed kernel panic during boot on Nano
 processor.
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To:     Peter Zijlstra <peterz@infradead.org>,
        Cody Yao-oc <CodyYao-oc@zhaoxin.com>
Cc:     mingo@redhat.com, acme@kernel.org, mark.rutland@arm.com,
        alexander.shishkin@linux.intel.com, jolsa@redhat.com,
        namhyung@kernel.org, tglx@linutronix.de, bp@alien8.de,
        hpa@zytor.com, x86@kernel.org, linux-perf-users@vger.kernel.org,
        linux-kernel@vger.kernel.org, shyaololo@163.com
References: <20210607013109.7870-1-CodyYao-oc@zhaoxin.com>
 <Y0gpsTiUqa/ZbvRh@hirez.programming.kicks-ass.net>
From:   Arjan <8vvbbqzo567a@nospam.xutrox.com>
In-Reply-To: <Y0gpsTiUqa/ZbvRh@hirez.programming.kicks-ass.net>
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On 13-10-2022 17:07, Peter Zijlstra wrote:
> On Mon, Jun 07, 2021 at 09:31:09AM +0800, Cody Yao-oc wrote:
>> From: CodyYao-oc <CodyYao-oc@zhaoxin.com>
>>
>> Nano processor may not fully support rdpmc instruction, it works well
>> for reading general pmc counter, but will lead to GP(general protection)
>> when accessing fixed pmc counter. Futhermore, family/model information
>> is same between Nano processor and ZX-C processor, it leads to zhaoxin
>> pmu driver is wrongly loaded for Nano processor, which resulting boot
>> kernal fail.
>>
>> To solve this problem, stepping information will be checked to distinguish
>> between Nano processor and ZX-C processor.
>>
>> [https://bugzilla.kernel.org/show_bug.cgi?id=212389]
>>
>> Reported-by: Arjan <8vvbbqzo567a@nospam.xutrox.com>
>> Signed-off-by: CodyYao-oc <CodyYao-oc@zhaoxin.com>
> 
> *sigh*.. so this email address doesn't exist, as such I can't apply this
> patch. Consider it dropped.

If it's about my email address: The address exists and works.
If the nospam part bothers you, that part can be left out. You may leave the reported-by line out if you want to.