23 Jun
2022
23 Jun
'22
7:13 a.m.
On Thu, 23 Jun 2022 08:59:41 +0200 Christian König christian.koenig@amd.com wrote:
The exporter isn't doing anything wrong here. DMA-buf are supposed to be CPU cached and can also be cache hot.
Hi,
what is that statement based on?
Were the (mandatory for CPU access) cpu_access_begin/end functions & ioctls not supposed to ensure that CPU cache is up-to-date / CPU cache is fully flushed out?
Thanks, pq