Thread (23 messages) 23 messages, 3 authors, 2024-06-04

RE: [Intel-wired-lan] [PATCH v2 iwl-net 7/8] ice: add missing WRITE_ONCE when clearing ice_rx_ring::xdp_prog

From: Rout, ChandanX <hidden>
Date: 2024-06-04 06:52:11
Also in: intel-wired-lan

-----Original Message-----
From: Intel-wired-lan <redacted> On Behalf Of
Fijalkowski, Maciej
Sent: Wednesday, May 29, 2024 4:54 PM
To: intel-wired-lan@lists.osuosl.org
Cc: Fijalkowski, Maciej <maciej.fijalkowski@intel.com>; Zaremba, Larysa
[off-list ref]; netdev@vger.kernel.org; Kubiak, Michal
[off-list ref]; Nguyen, Anthony L
[off-list ref]; Karlsson, Magnus
[off-list ref]
Subject: [Intel-wired-lan] [PATCH v2 iwl-net 7/8] ice: add missing WRITE_ONCE
when clearing ice_rx_ring::xdp_prog

It is read by data path and modified from process context on remote cpu so it is
needed to use WRITE_ONCE to clear the pointer.

Fixes: efc2214b6047 ("ice: Add support for XDP")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
---
drivers/net/ethernet/intel/ice/ice_txrx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Tested-by: Chandan Kumar Rout <redacted> (A Contingent Worker at Intel)
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