linux-kernel - Re: [PATCH] scsi: ufs: mediatek: Fix page faults in ufs_mtk_clk

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Message-ID: <yq1jywtnq7o.fsf@ca-mkp.ca.oracle.com>
Date: Tue, 03 Feb 2026 22:27:14 -0500
From: "Martin K. Petersen" <martin.petersen@...cle.com>
To: Keita Morisaki <keita.morisaki@...r4.jp>
Cc: Peter Wang <peter.wang@...iatek.com>,
        Chaotian Jing
 <chaotian.jing@...iatek.com>,
        Stanley Jhu <chu.stanley@...il.com>,
        "James E . J . Bottomley" <James.Bottomley@...senPartnership.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: ufs: mediatek: Fix page faults in
 ufs_mtk_clk_scale trace event


Keita,

> The ufs_mtk_clk_scale trace event currently stores the address of the
> name string directly via __field(const char *, name). This pointer may
> become invalid after the module is unloaded, causing page faults when
> the trace buffer is subsequently accessed.

Applied to 6.20/scsi-staging, thanks!

-- 
Martin K. Petersen