linux-kernel - Re: [PATCH v5 6/7] ufs: mcq: Use ufshcd_mcq_poll_cqe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Fri, 19 May 2023 15:59:25 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     "Bao D. Nguyen" <quic_nguyenb@...cinc.com>,
        quic_asutoshd@...cinc.com, quic_cang@...cinc.com, mani@...nel.org,
        stanley.chu@...iatek.com, adrian.hunter@...el.com,
        beanhuo@...ron.com, avri.altman@....com, martin.petersen@...cle.com
Cc:     linux-scsi@...r.kernel.org, Alim Akhtar <alim.akhtar@...sung.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Alice Chao <alice.chao@...iatek.com>,
        Arthur Simchaev <Arthur.Simchaev@....com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER..." 
        <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v5 6/7] ufs: mcq: Use ufshcd_mcq_poll_cqe_lock() in mcq
 mode

On 5/11/23 23:28, Bao D. Nguyen wrote:
> In preparation for adding mcq error handler support, update the mcq
> code to use the ufshcd_mcq_poll_cqe_lock() in interrupt context
> instead of using ufshcd_mcq_poll_cqe_nolock(). This is to keep
> synchronization between mcq interrupt and error handler contexts
> because both need to access the mcq hardware in separate contexts.

Reviewed-by: Bart Van Assche <bvanassche@....org>