linux-kernel - Re: [PATCH v2] drivers: hv: vmbus: Add missing check for dma_set_mask in vmbus_device

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Message-ID: <b0fe50c3-9279-4225-aad5-2869b335fe53@web.de>
Date: Wed, 3 Jul 2024 17:05:14 +0200
From: Markus Elfring <Markus.Elfring@....de>
To: Haoxiang Li <make24@...as.ac.cn>, linux-hyperv@...r.kernel.org,
 kernel-janitors@...r.kernel.org, Andrea Parri <parri.andrea@...il.com>,
 Dexuan Cui <decui@...rosoft.com>, Haiyang Zhang <haiyangz@...rosoft.com>,
 "K. Y. Srinivasan" <kys@...rosoft.com>, Michael Kelley
 <mhklinux@...look.com>, Wei Liu <wei.liu@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] drivers: hv: vmbus: Add missing check for dma_set_mask
 in vmbus_device_register()

> child_device_obj->device cannot perform DMA properly if dma_set_mask()
> returns non-zero. …

Can the repetition of another wording suggestion influence the software evolution?
  Direct memory access can not be properly performed any more
  after a dma_set_mask() call failed.

See also:
https://elixir.bootlin.com/linux/v6.10-rc6/source/kernel/dma/mapping.c#L804

…
> Signed-off-by: Haoxiang Li <make24@...as.ac.cn>

Under which circumstances will applications of the Developer's Certificate of Origin
be reconsidered any more (after three different names were presented so far)?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.10-rc6#n398

Would you like to append parentheses to another function name in the summary phrase?

Regards,
Markus