netdev - Re: [PATCH v2 net-next] bnxt: add dma mapping attributes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 9 May 2017 19:16:37 -0700
From:   Michael Chan <michael.chan@...adcom.com>
To:     Shannon Nelson <shannon.nelson@...cle.com>
Cc:     David Miller <davem@...emloft.net>,
        Netdev <netdev@...r.kernel.org>, sparclinux@...r.kernel.org
Subject: Re: [PATCH v2 net-next] bnxt: add dma mapping attributes

On Tue, May 9, 2017 at 6:30 PM, Shannon Nelson
<shannon.nelson@...cle.com> wrote:
> On the SPARC platform we need to use the DMA_ATTR_WEAK_ORDERING attribute
> in our Rx path dma mapping in order to get the expected performance out
> of the receive path.  Adding it to the Tx path has little effect, so
> that's not a part of this patch.
>
> Signed-off-by: Shannon Nelson <shannon.nelson@...cle.com>
> Reviewed-by: Tushar Dave <tushar.n.dave@...cle.com>
> Reviewed-by: Tom Saeger <tom.saeger@...cle.com>
> ---
> v2: simplify by getting rid of the driver-specific ifdef and define

Acked-by: Michael Chan <michael.chan@...adcom.com>