From: Markus Elfring <Markus.Elfring@web.de>
To: Nathan Lynch <nathan.lynch@amd.com>,
Wei Huang <wei.huang2@amd.com>,
dmaengine@vger.kernel.org, linux-pci@vger.kernel.org
Cc: LKML <linux-kernel@vger.kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Mario Limonciello <mario.limonciello@amd.com>,
Vinod Koul <vkoul@kernel.org>
Subject: Re: [PATCH RFC 08/13] dmaengine: sdxi: Context creation/removal, descriptor submission
Date: Mon, 15 Sep 2025 21:42:31 +0200 [thread overview]
Message-ID: <063c5035-36d3-4b81-8ae6-b05cf9d27066@web.de> (raw)
In-Reply-To: <20250905-sdxi-base-v1-8-d0341a1292ba@amd.com>
…
> +++ b/drivers/dma/sdxi/context.c
> @@ -0,0 +1,547 @@
…
> +static void sdxi_cxt_free(struct sdxi_cxt *cxt)
> +{
> + struct sdxi_dev *sdxi = cxt->sdxi;
> +
> + mutex_lock(&sdxi->cxt_lock);
> +
> + cleanup_cxt_tables(sdxi, cxt);
> + dma_pool_free(sdxi->cxt_ctl_pool, cxt->cxt_ctl, cxt->cxt_ctl_dma);
> + free_cxt(cxt);
> +
> + mutex_unlock(&sdxi->cxt_lock);
> +}
…
Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&sdxi->cxt_lock);”?
https://elixir.bootlin.com/linux/v6.17-rc6/source/include/linux/mutex.h#L228
Regards,
Markus
next prev parent reply other threads:[~2025-09-15 19:42 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-05 18:48 [PATCH RFC 00/13] dmaengine: Smart Data Accelerator Interface (SDXI) basic support Nathan Lynch via B4 Relay
2025-09-05 18:48 ` [PATCH RFC 01/13] PCI: Add SNIA SDXI accelerator sub-class Nathan Lynch via B4 Relay
2025-09-15 17:25 ` Bjorn Helgaas
2025-09-15 20:17 ` Nathan Lynch
2025-09-05 18:48 ` [PATCH RFC 02/13] dmaengine: sdxi: Add control structure definitions Nathan Lynch via B4 Relay
2025-09-05 18:48 ` [PATCH RFC 03/13] dmaengine: sdxi: Add descriptor encoding and unit tests Nathan Lynch via B4 Relay
2025-09-15 11:52 ` Jonathan Cameron
2025-09-15 19:30 ` Nathan Lynch
2025-09-16 14:20 ` Jonathan Cameron
2025-09-16 19:06 ` Nathan Lynch
2025-09-05 18:48 ` [PATCH RFC 04/13] dmaengine: sdxi: Add MMIO register definitions Nathan Lynch via B4 Relay
2025-09-05 18:48 ` [PATCH RFC 05/13] dmaengine: sdxi: Add software data structures Nathan Lynch via B4 Relay
2025-09-15 11:59 ` Jonathan Cameron
2025-09-16 19:07 ` Nathan Lynch
2025-09-16 9:38 ` Markus Elfring
2025-09-05 18:48 ` [PATCH RFC 06/13] dmaengine: sdxi: Add error reporting support Nathan Lynch via B4 Relay
2025-09-15 12:11 ` Jonathan Cameron
2025-09-15 20:42 ` Nathan Lynch
2025-09-16 14:23 ` Jonathan Cameron
2025-09-05 18:48 ` [PATCH RFC 07/13] dmaengine: sdxi: Import descriptor enqueue code from spec Nathan Lynch via B4 Relay
2025-09-15 12:18 ` Jonathan Cameron
2025-09-16 17:05 ` [External] : " ALOK TIWARI
2025-09-05 18:48 ` [PATCH RFC 08/13] dmaengine: sdxi: Context creation/removal, descriptor submission Nathan Lynch via B4 Relay
2025-09-15 14:12 ` Jonathan Cameron
2025-09-16 20:40 ` Nathan Lynch
2025-09-17 13:34 ` Jonathan Cameron
2025-09-15 19:42 ` Markus Elfring [this message]
2025-09-05 18:48 ` [PATCH RFC 09/13] dmaengine: sdxi: Add core device management code Nathan Lynch via B4 Relay
2025-09-15 14:23 ` Jonathan Cameron
2025-09-16 21:23 ` Nathan Lynch
2025-09-05 18:48 ` [PATCH RFC 10/13] dmaengine: sdxi: Add PCI driver support Nathan Lynch via B4 Relay
2025-09-05 19:14 ` Mario Limonciello
2025-09-10 15:25 ` Nathan Lynch
2025-09-05 20:05 ` Bjorn Helgaas
2025-09-10 15:28 ` Nathan Lynch
2025-09-15 15:03 ` Jonathan Cameron
2025-09-16 16:43 ` [External] : " ALOK TIWARI
2025-09-05 18:48 ` [PATCH RFC 11/13] dmaengine: sdxi: Add DMA engine provider Nathan Lynch via B4 Relay
2025-09-15 15:16 ` Jonathan Cameron
2025-09-05 18:48 ` [PATCH RFC 12/13] dmaengine: sdxi: Add Kconfig and Makefile Nathan Lynch via B4 Relay
2025-09-15 15:08 ` Jonathan Cameron
2025-09-15 16:44 ` Nathan Lynch
2025-09-05 18:48 ` [PATCH RFC 13/13] MAINTAINERS: Add entry for SDXI driver Nathan Lynch via B4 Relay
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