From: Markus Elfring <Markus.Elfring@web.de>
To: Douglas Anderson <dianders@chromium.org>,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org,
Jassi Brar <jassisinghbrar@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"André Draszik" <andre.draszik@linaro.org>,
"Brian Norris" <briannorris@chromium.org>,
"Joonwon Kang" <joonwonkang@google.com>,
"Lucas Wei" <lucaswei@google.com>,
"Peter Griffin" <peter.griffin@linaro.org>,
"Subhash Jadavani" <sjadavani@google.com>,
"Tudor Ambarus" <tudor.ambarus@linaro.org>
Subject: Re: [PATCH 7/7] mailbox: goog-mba: Introduce the goog-mba mailbox driver
Date: Sat, 10 Oct 2026 12:15:10 +0200 [thread overview]
Message-ID: <9099b92c-d456-4dbf-95c7-dcb3f1004066@web.de> (raw)
In-Reply-To: <20260714152138.7.I5cef580a62c86ba6c3465ad336fa509afbdf1476@changeid>
…
> +++ b/drivers/mailbox/goog-mba.c
> @@ -0,0 +1,567 @@
…
> +static int goog_mba_send_data(struct mbox_chan *chan, void *msg)
> +{
…
> + spin_lock_irqsave(&goog_mbox->lock, flags);
> + out_of_space = payload_words &&
> + (goog_mbox->outstanding_msgs >=
> + goog_mbox->msg_buffer_words / payload_words);
> + spin_unlock_irqrestore(&goog_mbox->lock, flags);
…
Under which circumstances would you become interested to apply a statement
like “guard(spinlock_irqsave)(&goog_mbox->lock);”?
https://elixir.bootlin.com/linux/v7.3-rc6/source/include/linux/spinlock.h#L642-L645
Regards,
Markus
prev parent reply other threads:[~2026-10-10 10:16 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-14 22:21 [PATCH 0/7] mailbox: Improve the mbox core then introduce the goog-mba driver Douglas Anderson
2026-07-14 22:21 ` [PATCH 6/7] dt-bindings: mailbox: goog-mba: Add goog-mba mailbox bindings Douglas Anderson
2026-07-15 4:51 ` Krzysztof Kozlowski
2026-07-15 16:49 ` Doug Anderson
2026-07-16 5:46 ` Krzysztof Kozlowski
2026-07-16 16:31 ` Doug Anderson
2026-07-22 17:11 ` Doug Anderson
2026-07-29 13:27 ` Jassi Brar
2026-07-31 21:24 ` Doug Anderson
2026-07-22 14:10 ` Rob Herring
2026-07-22 16:57 ` Doug Anderson
2026-07-14 22:21 ` [PATCH 7/7] mailbox: goog-mba: Introduce the goog-mba mailbox driver Douglas Anderson
2026-09-06 1:20 ` Jassi Brar
2026-09-09 15:53 ` Doug Anderson
2026-09-09 16:34 ` Jassi Brar
2026-09-09 16:56 ` Doug Anderson
2026-09-19 18:32 ` Jassi Brar
2026-09-19 20:40 ` Doug Anderson
2026-09-20 20:29 ` Jassi Brar
2026-09-20 21:39 ` Doug Anderson
2026-09-20 22:46 ` Jassi Brar
2026-09-21 22:18 ` Doug Anderson
2026-09-22 0:11 ` Jassi Brar
2026-09-22 16:01 ` Doug Anderson
2026-09-23 0:23 ` Jassi Brar
2026-09-28 21:34 ` Doug Anderson
2026-10-09 6:36 ` Krzysztof Kozlowski
2026-10-09 8:41 ` Doug Anderson
2026-10-09 15:43 ` Jassi Brar
2026-10-10 9:16 ` Doug Anderson
2026-10-10 10:15 ` Markus Elfring [this message]
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