Re: [PATCH bpf-next 1/4] xsk: avoid store-tearing when assigning queues
From: Jonathan Lemon <hidden>
Date: 2019-08-23 16:43:41
Also in:
bpf
On 22 Aug 2019, at 2:13, Björn Töpel wrote:
From: Björn Töpel <redacted>
Use WRITE_ONCE when doing the store of tx, rx, fq, and cq, to avoid
potential store-tearing. These members are read outside of the control
mutex in the mmap implementation.
Fixes: 37b076933a8e ("xsk: add missing write- and data-dependency barrier")
Signed-off-by: Björn Töpel <redacted>Acked-by: Jonathan Lemon <redacted>