Re: [PATCH v2 1/3] ufs: make __ufshcd_send_uic_cmd not wrapped by host_lock

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To: Kiwoong Kim <kwmad.kim@xxxxxxxxxxx>, linux-scsi@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, alim.akhtar@xxxxxxxxxxx, avri.altman@xxxxxxx, jejb@xxxxxxxxxxxxx, martin.petersen@xxxxxxxxxx, beanhuo@xxxxxxxxxx, adrian.hunter@xxxxxxxxx, sc.suh@xxxxxxxxxxx, hy50.seo@xxxxxxxxxxx, sh425.lee@xxxxxxxxxxx, kwangwon.min@xxxxxxxxxxx, junwoo80.lee@xxxxxxxxxxx
Subject: Re: [PATCH v2 1/3] ufs: make __ufshcd_send_uic_cmd not wrapped by host_lock
From: Bart Van Assche <bvanassche@xxxxxxx>
Date: Wed, 7 Jun 2023 11:54:35 -0700
In-reply-to: <002dcd4e99b2e03dcd698493f1f1adbb0375bf5c.1685927620.git.kwmad.kim@samsung.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0

On 6/4/23 18:15, Kiwoong Kim wrote:

__ufshcd_send_uic_cmd is wrapped uic_cmd_mutex and
its related contexts are accessed within the period wrappted
by uic_cmd_mutex. Thus, wrapping with host_lock is
redundant.


Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>

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References:
- [PATCH v2 0/3] change UIC command handling
  - From: Kiwoong Kim
- [PATCH v2 1/3] ufs: make __ufshcd_send_uic_cmd not wrapped by host_lock
  - From: Kiwoong Kim

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