From: Jonas Jensen <jonas.jensen@gmail.com> To: Eric Dumazet <eric.dumazet@gmail.com>, davem <davem@davemloft.net> Cc: netdev <netdev@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "Florian Fainelli" <f.fainelli@gmail.com>, "Michał Mirosław" <mirqus@gmail.com> Subject: Re: [PATCH v5 1/2] net: moxa: clear TX descriptor length bits Date: Mon, 25 Aug 2014 16:23:35 +0200 [thread overview] Message-ID: <CACmBeS30_NUot6=FK3xNVDxfN+CPXNfNhEBcO4OPAOQ3Q9zQzw@mail.gmail.com> (raw) In-Reply-To: <1408554610.5604.11.camel@edumazet-glaptop2.roam.corp.google.com> Thanks for giving feedback. On 20 August 2014 19:10, Eric Dumazet <eric.dumazet@gmail.com> wrote: > Wouldnt it be faster to not use readl() at all here ? On 22 August 2014 06:39, David Miller <davem@davemloft.net> wrote: > Like others I wonder why the existing descriptor value is being read > at all. It makes sense and I have verified, transfers continue to work clearing the whole thing, see update in v6. Regards, Jonas
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From: jonas.jensen@gmail.com (Jonas Jensen) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 1/2] net: moxa: clear TX descriptor length bits Date: Mon, 25 Aug 2014 16:23:35 +0200 [thread overview] Message-ID: <CACmBeS30_NUot6=FK3xNVDxfN+CPXNfNhEBcO4OPAOQ3Q9zQzw@mail.gmail.com> (raw) In-Reply-To: <1408554610.5604.11.camel@edumazet-glaptop2.roam.corp.google.com> Thanks for giving feedback. On 20 August 2014 19:10, Eric Dumazet <eric.dumazet@gmail.com> wrote: > Wouldnt it be faster to not use readl() at all here ? On 22 August 2014 06:39, David Miller <davem@davemloft.net> wrote: > Like others I wonder why the existing descriptor value is being read > at all. It makes sense and I have verified, transfers continue to work clearing the whole thing, see update in v6. Regards, Jonas
next prev parent reply other threads:[~2014-08-25 14:23 UTC|newest] Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-08-19 14:49 [PATCH v4 1/2] net: moxa: clear TX descriptor length bits Jonas Jensen 2014-08-19 14:49 ` Jonas Jensen 2014-08-19 14:49 ` [PATCH v4 2/2] net: moxa: replace build_skb() with netdev_alloc_skb_ip_align() / memcpy() Jonas Jensen 2014-08-19 14:49 ` Jonas Jensen 2014-08-19 18:31 ` Eric Dumazet 2014-08-19 18:31 ` Eric Dumazet 2014-08-20 14:24 ` Jonas Jensen 2014-08-20 14:24 ` Jonas Jensen 2014-08-20 14:24 ` Jonas Jensen 2014-08-20 14:19 ` [PATCH v5 " Jonas Jensen 2014-08-20 14:19 ` Jonas Jensen 2014-08-25 14:22 ` [PATCH v6 2/4] " Jonas Jensen 2014-08-25 14:22 ` Jonas Jensen 2014-08-26 0:26 ` David Miller 2014-08-26 0:26 ` David Miller 2014-08-26 9:04 ` Arnd Bergmann 2014-08-26 9:04 ` Arnd Bergmann 2014-08-26 9:10 ` David Laight 2014-08-26 9:10 ` David Laight 2014-08-26 9:10 ` David Laight 2014-08-26 10:55 ` Eric Dumazet 2014-08-26 10:55 ` Eric Dumazet 2014-08-26 10:55 ` Eric Dumazet 2014-08-21 21:43 ` [PATCH v4 2/2] " Michał Mirosław 2014-08-21 21:43 ` Michał Mirosław 2014-08-21 21:43 ` Michał Mirosław 2014-08-25 14:23 ` Jonas Jensen 2014-08-25 14:23 ` Jonas Jensen 2014-08-25 14:23 ` Jonas Jensen 2014-08-20 14:18 ` [PATCH v5 1/2] net: moxa: clear TX descriptor length bits Jonas Jensen 2014-08-20 14:18 ` Jonas Jensen 2014-08-20 17:10 ` Eric Dumazet 2014-08-20 17:10 ` Eric Dumazet 2014-08-25 14:23 ` Jonas Jensen [this message] 2014-08-25 14:23 ` Jonas Jensen 2014-08-22 4:39 ` David Miller 2014-08-22 4:39 ` David Miller 2014-08-25 14:22 ` [PATCH v6 1/4] net: moxa: clear DESC1 on ndo_start_xmit() Jonas Jensen 2014-08-25 14:22 ` Jonas Jensen 2014-08-26 0:25 ` David Miller 2014-08-26 0:25 ` David Miller
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