Re: [PATCH v2] sh_eth: use DMA barriers

2015-11-03 Thread David Miller
From: Sergei Shtylyov Date: Tue, 03 Nov 2015 22:36:04 +0300 > Commit 7d7355f58ba4 ("sh_eth: Ensure proper ordering of descriptor active > bit write/read") did the right thing but used too "heavy" barriers while > there were already "lighter" DMA barriers exactly for this case... > > Signed-of

[PATCH v2] sh_eth: use DMA barriers

2015-11-03 Thread Sergei Shtylyov
Commit 7d7355f58ba4 ("sh_eth: Ensure proper ordering of descriptor active bit write/read") did the right thing but used too "heavy" barriers while there were already "lighter" DMA barriers exactly for this case... Signed-off-by: Sergei Shtylyov --- The patch is against DaveM's 'net-next.git'