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Y. Srinivasan" , Michael Kelley , Wei Liu Cc: LKML References: <20240703084221.12057-1-make24@iscas.ac.cn> Subject: Re: [PATCH v2] drivers: hv: vmbus: Add missing check for dma_set_mask in vmbus_device_register() Content-Language: en-GB From: Markus Elfring In-Reply-To: <20240703084221.12057-1-make24@iscas.ac.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:YV8ws4IVXhh8faxR3kOPPdm6RfB/oTFu1GWuLpn3YbmM6sIdPrS kdcANEgP8Z3mzIkApf8ZC6F+eE8H9zgChVOZllxO5YZyDBJz7IvNo2qG7WZgbV1FEo/YUZx En6C+uRQWZKf47+Fgyqh7vgGCu8V+2e07I/2hNOm/g7UJknTRyTAscOnJG+1QSKMHoQuMxQ DH1aX6qwRzRq7oCWtKbTQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:njd83SA+1ts=;J++nmAq9qfV+/27rRiJIp7+2skC ie7foP98eRndAw9gUKDk3/WRDjb7nlNxefeJLjVZakxQyUUScjeabFmhN8y4YEBlfvqIgbiEp KPWTpuOYnD1/EArT0dYcenbLcWv8sjapAypkUOzyrxC0QVk8ZbCdWezbK+K3EG8tr3FwuenQY 14CLBPN7IlmhOa041iu7KW047zdTuG7NZalH5csWhpX91GuZkFKQhoNPVoW9waBQjaTzb4nyu jq0XJWtMdN/q2F+1s9EEspSgpqSK4oZHxx/aPGq9M0W8698cglHJV/fDkbyOlM1z5p3iA1Onv EBXX9y1GZmE5yXOeKicPzEFGDr3eDiBdMHQ6rcMmHxB8xpxGHcNAXdWdFokSE++jZpiojWzxB GxJGttL9jCv4COvG0PK1y9hnTdUH+mi5gGnAAgVaNwoJJv1mvSNjegmgMWksRHTaTfgdroxs4 5b4rXt8zBwhOjCvuOHu6EM8wx+OrhviaufEY1AvOryfnqreFIGN8soeaGvfTBZJ49QILoD7/c T6L8/W3jHqlL5B5dmouUk+y2n23JwdfzzHX85AstyF7nmQu42rrPNpAhHhg0Tvd95MVk/Ahop 2lpP24KXemslIloJjLqPwNKLog79crjZKVDIzkv4XvJKTT+AugA6t8DHZ6umkOV1AxCPArWpD qTpuH5iw5d7GEm28JtTW92Nf45Uo9nQM7gUWvuLg0JWe9rRe1edMIih5ViQ1cn/ppS9kB1hXK m6M+gTkoCrKx4wGSHv1lMaGB0POF22yFUY3SV5G+tTigD7oq7InFz3Bfm5v54I6/9cDoeh5Y/ tbSYpyOkwHymqUMLqwj/jpnEGADY4DBwejG2RmYLuqliQ= > child_device_obj->device cannot perform DMA properly if dma_set_mask() > returns non-zero. =E2=80=A6 Can the repetition of another wording suggestion influence the software ev= olution? 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#L80= 4 =E2=80=A6 > Signed-off-by: Haoxiang Li Under which circumstances will applications of the Developer's Certificate= of Origin be reconsidered any more (after three different names were presented so fa= r)? https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Do= cumentation/process/submitting-patches.rst?h=3Dv6.10-rc6#n398 Would you like to append parentheses to another function name in the summa= ry phrase? Regards, Markus