linux-kernel - Re: [PATCH] MIPS: perf: Fix wrong check condition of Loongson event IDs

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Message-ID: <20200903082210.GE6220@alpha.franken.de>
Date:   Thu, 3 Sep 2020 10:22:10 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     Huacai Chen <chenhc@...ote.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        Xuefeng Li <lixuefeng@...ngson.cn>
Subject: Re: [PATCH] MIPS: perf: Fix wrong check condition of Loongson event
 IDs

On Thu, Aug 27, 2020 at 04:03:08PM +0800, Tiezhu Yang wrote:
> According to the user's manual chapter 8.2.1 of Loongson 3A2000 CPU [1]
> and 3A3000 CPU [2], we should take some event IDs such as 274, 358, 359
> and 360 as valid in the check condition, otherwise they are recognized
> as "not supported", fix it.
> 
> [1] http://www.loongson.cn/uploadfile/cpu/3A2000/Loongson3A2000_user2.pdf
> [2] http://www.loongson.cn/uploadfile/cpu/3A3000/Loongson3A3000_3B3000user2.pdf
> 
> Fixes: e9dfbaaeef1c ("MIPS: perf: Add hardware perf events support for new Loongson-3")
> Signed-off-by: Tiezhu Yang <yangtiezhu@...ngson.cn>
> ---
>  arch/mips/kernel/perf_event_mipsxx.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

applied to mips-fixes.

Thomas.

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