linux-kernel - Re: [PATCH v2] loongarch/mm: disable WUC for pgprot_writecombine as same as ioremap

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Message-ID: <c27875eb-0989-401b-98c3-f6e0a3ab88c2@kernel.org>
Date: Tue, 17 Dec 2024 11:18:32 -0700
From: Shuah <shuah@...nel.org>
To: Sui Jingfeng <sui.jingfeng@...ux.dev>, Xi Ruoyao <xry111@...111.site>,
 WANG Xuerui <kernel@...0n.name>, Icenowy Zheng <uwu@...nowy.me>,
 Huacai Chen <chenhuacai@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
 "Mike Rapoport (IBM)" <rppt@...nel.org>, Baoquan He <bhe@...hat.com>,
 "Matthew Wilcox (Oracle)" <willy@...radead.org>,
 David Hildenbrand <david@...hat.com>, Zhen Lei <thunder.leizhen@...wei.com>,
 Thomas Gleixner <tglx@...utronix.de>, Zhihong Dong <donmor3000@...mail.com>,
 loongarch@...ts.linux.dev, linux-kernel@...r.kernel.org,
 shuah <shuah@...nel.org>, "conduct@...nel.org" <conduct@...nel.org>
Subject: Re: [PATCH v2] loongarch/mm: disable WUC for pgprot_writecombine as
 same as ioremap_wc

On 12/2/24 09:23, Sui Jingfeng wrote:
> Hi,
> 

>> IIUC this is a hardware bug of 7A1000 and 7A2000, so the proper location
>> of the workaround is in the bridge chip driver.  Or am I
>> misunderstanding something?
>>
> 
> You are misunderstanding everything and ranting like a dog.
> 

Sui Jingfeng,

This is not the way to work with your fellow developers in the
community to express disagreements. I would recommend following
up with an apology.

thanks,
-- Shuah