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Reading block devices to high addresses requires bounce buffer in low memory. #20

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xypron opened this issue Aug 22, 2024 · 0 comments
Open

Reading block devices to high addresses requires bounce buffer in low memory. #20

xypron opened this issue Aug 22, 2024 · 0 comments
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@NingYu00 @xiangxu-eswin

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xypron commented Aug 22, 2024

@NingYu00 @xiangxu-eswin
Merge request #19 is good enough for EFI applications reading into high memory to not fail. But we should try to understand which block device driver has a problem with high addresses.

For SATA this should already be addressed by commit 2122573 ("ata: eswin: allow r/w with high memory buffers").
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@xypron @NingYu00 @xiangxu-eswin