Re: [PATCH 4/7] usb-storage: reject probe of device one non-DMA HCDs when using highmem

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On 5/2/25 08:49, Christoph Hellwig wrote:
usb-storage is the last user of the block layer bounce buffering now,
and only uses it for HCDs that do not support DMA on highmem configs.

Remove this support and fail the probe so that the block layer bounce
buffering can go away.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
  drivers/usb/storage/usb.c | 14 +++++++++-----
  1 file changed, 9 insertions(+), 5 deletions(-)

Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke                  Kernel Storage Architect
hare@xxxxxxx                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich




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