From: Peng Fan <peng.fan@oss.nxp.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-kernel@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-remoteproc@vger.kernel.org, linux-rt-devel@lists.linux.dev,
Bjorn Andersson <andersson@kernel.org>,
Clark Williams <clrkwllms@kernel.org>,
Fabio Estevam <festevam@gmail.com>, Frank Li <Frank.Li@nxp.com>,
Jassi Brar <jassisinghbrar@gmail.com>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Sascha Hauer <s.hauer@pengutronix.de>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH v2 9/9] remoteproc: imx_rproc: Invoke the callback directly
Date: Mon, 8 Jun 2026 13:52:16 +0800 [thread overview]
Message-ID: <aiZYkLyiX1cDOYrj@shlinux89> (raw)
In-Reply-To: <20260603-imx_mbox_rproc-v2-9-a0059dc3b69a@linutronix.de>
On Wed, Jun 03, 2026 at 03:05:12PM +0200, Sebastian Andrzej Siewior wrote:
>The imx-mailbox driver moved the callback invocation into the threaded
>IRQ handler. This means the callback is invoked in preemptible context
>and there is no need to schedule the kworker for the
>imx_rproc_notified_idr_cb() invocation.
>
>This was tested with the rpmsg-tty driver on imx93.
>
>Remove the workqueue handling and invoke the imx_rproc_notified_idr_cb()
>callback directly.
>
>Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
prev parent reply other threads:[~2026-06-08 5:49 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-03 13:05 [PATCH v2 0/9] mailbox: imx: Use threaded handler to avoid kworker in imx's remoteproc Sebastian Andrzej Siewior
2026-06-03 13:05 ` [PATCH v2 1/9] mailbox: imx: Add a channel shutdown field Sebastian Andrzej Siewior
2026-06-08 5:01 ` Peng Fan
2026-06-03 13:05 ` [PATCH v2 2/9] mailbox: imx: Use devm_pm_runtime_enable() Sebastian Andrzej Siewior
2026-06-08 5:06 ` Peng Fan
2026-06-03 13:05 ` [PATCH v2 3/9] mailbox: imx: use devm_of_platform_populate() Sebastian Andrzej Siewior
2026-06-08 5:05 ` Peng Fan
2026-06-03 13:05 ` [PATCH v2 4/9] mailbox: imx: Use channel index instead of zero in imx_mu_specific_rx() Sebastian Andrzej Siewior
2026-06-08 5:11 ` Peng Fan
2026-06-08 9:39 ` Sebastian Andrzej Siewior
2026-06-03 13:05 ` [PATCH v2 5/9] mailbox: imx: Start splitting the IRQ handler in primary and threaded handler Sebastian Andrzej Siewior
2026-06-08 5:14 ` Peng Fan
2026-06-08 5:32 ` Peng Fan
2026-06-08 9:37 ` Sebastian Andrzej Siewior
2026-06-03 13:05 ` [PATCH v2 6/9] mailbox: imx: Move the RX part of the mailbox into the " Sebastian Andrzej Siewior
2026-06-03 13:18 ` Daniel Baluta
2026-06-03 13:20 ` Sebastian Andrzej Siewior
2026-06-03 13:45 ` Daniel Baluta
2026-06-03 15:26 ` Sebastian Andrzej Siewior
2026-06-08 5:48 ` Peng Fan
2026-06-03 13:05 ` [PATCH v2 7/9] mailbox: imx: Move the RXDB " Sebastian Andrzej Siewior
2026-06-08 5:48 ` Peng Fan
2026-06-03 13:05 ` [PATCH v2 8/9] mailbox: imx: Don't force-thread the primary handler Sebastian Andrzej Siewior
2026-06-08 5:50 ` Peng Fan
2026-06-03 13:05 ` [PATCH v2 9/9] remoteproc: imx_rproc: Invoke the callback directly Sebastian Andrzej Siewior
2026-06-08 5:52 ` Peng Fan [this message]
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