From: Guenter Roeck <linux@roeck-us.net>
To: Akshay Gupta <Akshay.Gupta@amd.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-hwmon@vger.kernel.org
Cc: corbet@lwn.net, skhan@linuxfoundation.org, arnd@arndb.de,
gregkh@linuxfoundation.org, NaveenKrishna.Chatradhi@amd.com,
Anand.Umarji@amd.com, Prathima.Lk@amd.com
Subject: Re: [PATCH v4 7/8] hwmon: Add mutex protecting for sbtsi read/write through hwmon
Date: Fri, 10 Jul 2026 07:28:45 -0700 [thread overview]
Message-ID: <d97397e4-08ce-4692-90cb-33fcdb3d3824@roeck-us.net> (raw)
In-Reply-To: <20260710111642.850022-8-Akshay.Gupta@amd.com>
On 7/10/26 04:16, Akshay Gupta wrote:
> From: Prathima <Prathima.Lk@amd.com>
>
> Add a mutex and take it around SBTSI read/write paths so that only
> one transaction runs at a time. The lock is held only for the
> duration of the bus transfer and associated driver bookkeeping, not
> across blocking work unrelated to SBTSI.
>
> This is a concurrency hardening fix.
>
> Reviewed-by: Akshay Gupta <Akshay.Gupta@amd.com>
> Signed-off-by: Prathima <Prathima.Lk@amd.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
next prev parent reply other threads:[~2026-07-10 14:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-10 11:16 [PATCH v4 0/8] misc: amd-sbi: Refactor SBTSI driver with I3C support and ioctl interface Akshay Gupta
2026-07-10 11:16 ` [PATCH v4 1/8] hwmon/misc: amd-sbi: Move core sbtsi support from hwmon to misc Akshay Gupta
2026-07-10 14:26 ` Guenter Roeck
2026-07-10 11:16 ` [PATCH v4 2/8] hwmon: sbtsi_temp: Refactor temperature register access into helpers Akshay Gupta
2026-07-10 14:27 ` Guenter Roeck
2026-07-10 11:16 ` [PATCH v4 3/8] hwmon/misc: amd-sbi: Move sbtsi register transfer to core abstraction Akshay Gupta
2026-07-10 14:28 ` Guenter Roeck
2026-07-10 11:16 ` [PATCH v4 4/8] misc: amd-sbi: Consolidate Common SBTSI Probe Path Akshay Gupta
2026-07-10 11:16 ` [PATCH v4 5/8] misc: amd-sbi: Add support for SB-TSI over I3C Akshay Gupta
2026-07-10 11:16 ` [PATCH v4 6/8] misc: amd-sbi: Add SBTSI ioctl register transfer interface Akshay Gupta
2026-07-10 11:16 ` [PATCH v4 7/8] hwmon: Add mutex protecting for sbtsi read/write through hwmon Akshay Gupta
2026-07-10 14:28 ` Guenter Roeck [this message]
2026-07-10 11:16 ` [PATCH v4 8/8] docs: misc: amd-sbi: Document SBTSI userspace interface Akshay Gupta
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