Thread (5 messages) 5 messages, 2 authors, 2021-09-01

Re: [PATCH v1] scsi: ufs: ufs-mediatek: Change dbg select by check hw version

From: Peter Wang <peter.wang@mediatek.com>
Date: 2021-09-01 05:46:03
Also in: linux-mediatek

Hi Bart,

Really appreciate your reminder.
We will upload new patch to bypss KCSAN.
Thank you very much.

Peter 


On Tue, 2021-08-31 at 19:55 -0700, Bart Van Assche wrote:
On 8/31/21 19:29, Peter Wang wrote:
quoted
REG_UFS_MTK_HW_VER is a read only mediatek dedicated register.
So, hw_ver will get a const value for mediatek to decide how to use
debug select. It only need read once, no need multi-threads
protected.
Hi Peter,

The above can be concluded easily by a human but not by software. If 
this code is analyzed with KCSAN then KCSAN will probably complain.
See 
also Documentation/dev-tools/kcsan.rst.

Anyway, I'm fine with this patch.

Thanks,

Bart.
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