io_uring: Adjust mapping wrt architecture aliasing requirements

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Some architectures have memory cache aliasing requirements (e.g. parisc)
if memory is shared between userspace and kernel. This patch fixes the
kernel to return an aliased address when asked by userspace via mmap().

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Helge Deller 2023-02-16 09:09:38 +01:00 • committed by Jens Axboe

parent d4755e1538

commit d808459b2e

1 changed files with 51 additions and 0 deletions

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io_uring/io_uring.c

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