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From: Bart Van Assche <bvanassche@acm.org>
To: "Bao D. Nguyen" <quic_nguyenb@quicinc.com>,
	quic_cang@quicinc.com, quic_nitirawa@quicinc.com,
	avri.altman@wdc.com, peter.wang@mediatek.com,
	manivannan.sadhasivam@linaro.org, minwoo.im@samsung.com,
	adrian.hunter@intel.com, martin.petersen@oracle.com
Cc: linux-scsi@vger.kernel.org, Alim Akhtar <alim.akhtar@samsung.com>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Bean Huo <beanhuo@micron.com>,
	Ziqi Chen <quic_ziqichen@quicinc.com>,
	Keoseong Park <keosung.park@samsung.com>,
	Gwendal Grignou <gwendal@chromium.org>,
	Al Viro <viro@zeniv.linux.org.uk>,
	Eric Biggers <ebiggers@google.com>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 1/1] scsi: ufs: core: add device level exception support
Date: Tue, 18 Mar 2025 14:21:10 -0700	[thread overview]
Message-ID: <98b420e3-87ee-4034-8cb4-76b8e30d7920@acm.org> (raw)
In-Reply-To: <df2a1843d1dbfd0d3fef87b9730089969b6f00bd.1741992586.git.quic_nguyenb@quicinc.com>

On 3/14/25 3:55 PM, Bao D. Nguyen wrote:
> +	if (status & hba->ee_drv_mask & MASK_EE_DEV_LVL_EXCEPTION) {
> +		hba->dev_lvl_exception_count++;
> +		sysfs_notify(&hba->dev->kobj, NULL, "device_lvl_exception_count");
> +	}
This increment can race with the code in 
device_lvl_exception_count_store() for clearing
hba->dev_lvl_exception_count. Shouldn't the clearing code and the
code for incrementing hba->dev_lvl_exception_count be serialized in
some way?

Thanks,

Bart.

  parent reply	other threads:[~2025-03-18 21:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-14 22:55 Bao D. Nguyen
2025-03-18  2:40 ` Peter Wang (王信友)
2025-03-18 21:21 ` Bart Van Assche [this message]
2025-03-19  6:56   ` Bao D. Nguyen

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