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SubjectRe: [PATCH v2 3/3] arch/*/: remove CONFIG_VIRT_TO_BUS
On Wed, Jun 29, 2022 at 11:09:00AM +1200, Michael Schmitz wrote:
> And all SCSI buffers are allocated using kmalloc? No way at all for user
> space to pass unaligned data?

Most that you will see actually comes from the page allocator. But
the block layer has a dma_alignment limit, and when userspace sends
I/O that is not properly aligned it will be bounce buffered before
it it sent to the driver.

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