[{"id":1769779,"web_url":"http://patchwork.ozlabs.org/comment/1769779/","msgid":"<649cd233-d9b8-478b-e742-5da469df8f26@gmail.com>","list_archive_url":null,"date":"2017-09-17T20:09:21","subject":"Re: [PATCH net-next v2 0/7] korina: performance fixes and cleanup","submitter":{"id":2800,"url":"http://patchwork.ozlabs.org/api/people/2800/","name":"Florian Fainelli","email":"f.fainelli@gmail.com"},"content":"On 09/17/2017 10:23 AM, Roman Yeryomin wrote:\n> Changes from v1:\n> - use GRO instead of increasing ring size\n> - use NAPI_POLL_WEIGHT instead of defining own NAPI_WEIGHT\n> - optimize rx descriptor flags processing\n\nnet-next is closed at the moment, but these look like reasonable\nchanges, I would just replace patch 7 with a patch that entirely drops\nthe driver specific version since that does not serve any purpose in the\ncontext of an in-kernel driver.\n\nSome nice clean-ups that you should also consider for future changes:\n\n- reduce the duplication of tests/conditions in korina_send_packet(), a\nlot of them are testing for the same things and setting the same\ndescriptor bits\n\n- move korina_tx() to a NAPI context instead of working from hard\ninterrupt context\n\n- get rid of the MIPS dma_cache_* calls and instead properly use the\nDMA-API to allocate descriptors and invalidate/write-back skb->data\n\n> \n> Roman Yeryomin (7):\n>   net: korina: don't use overflow and underflow interrupts\n>   net: korina: optimize rx descriptor flags processing\n>   net: korina: use NAPI_POLL_WEIGHT\n>   net: korina: use GRO\n>   net: korina: whitespace cleanup\n>   net: korina: update authors\n>   net: korina: bump version\n> \n>  drivers/net/ethernet/korina.c | 230 ++++++++++++++----------------------------\n>  1 file changed, 78 insertions(+), 152 deletions(-)\n>","headers":{"Return-Path":"<netdev-owner@vger.kernel.org>","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; 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\n\tSun, 17 Sep 2017 13:09:24 -0700 (PDT)","Subject":"Re: [PATCH net-next v2 0/7] korina: performance fixes and cleanup","To":"Roman Yeryomin <leroi.lists@gmail.com>, netdev <netdev@vger.kernel.org>","References":"<20170917172353.32225-1-roman@advem.lv>","From":"Florian Fainelli <f.fainelli@gmail.com>","Message-ID":"<649cd233-d9b8-478b-e742-5da469df8f26@gmail.com>","Date":"Sun, 17 Sep 2017 13:09:21 -0700","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101\n\tThunderbird/52.2.1","MIME-Version":"1.0","In-Reply-To":"<20170917172353.32225-1-roman@advem.lv>","Content-Type":"text/plain; charset=windows-1252","Content-Language":"en-US","Content-Transfer-Encoding":"8bit","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"<netdev.vger.kernel.org>","X-Mailing-List":"netdev@vger.kernel.org"}},{"id":1770139,"web_url":"http://patchwork.ozlabs.org/comment/1770139/","msgid":"<CACiydb+Au=X4wvw_ToLOw-g=y504kby4y5NwG9czFE8Hs8vnoQ@mail.gmail.com>","list_archive_url":null,"date":"2017-09-18T13:02:43","subject":"Re: [PATCH net-next v2 0/7] korina: performance fixes and cleanup","submitter":{"id":65345,"url":"http://patchwork.ozlabs.org/api/people/65345/","name":"Roman Yeryomin","email":"leroi.lists@gmail.com"},"content":"On 17 September 2017 at 23:09, Florian Fainelli <f.fainelli@gmail.com> wrote:\n>\n>\n> On 09/17/2017 10:23 AM, Roman Yeryomin wrote:\n>> Changes from v1:\n>> - use GRO instead of increasing ring size\n>> - use NAPI_POLL_WEIGHT instead of defining own NAPI_WEIGHT\n>> - optimize rx descriptor flags processing\n>\n> net-next is closed at the moment, but these look like reasonable\n> changes, I would just replace patch 7 with a patch that entirely drops\n> the driver specific version since that does not serve any purpose in the\n> context of an in-kernel driver.\n\nOK\n\n> Some nice clean-ups that you should also consider for future changes:\n>\n> - reduce the duplication of tests/conditions in korina_send_packet(), a\n> lot of them are testing for the same things and setting the same\n> descriptor bits\n\nAlready doing that :)\n\n> - move korina_tx() to a NAPI context instead of working from hard\n> interrupt context\n>\n> - get rid of the MIPS dma_cache_* calls and instead properly use the\n> DMA-API to allocate descriptors and invalidate/write-back skb->data\n\nOK\n\n>>\n>> Roman Yeryomin (7):\n>>   net: korina: don't use overflow and underflow interrupts\n>>   net: korina: optimize rx descriptor flags processing\n>>   net: korina: use NAPI_POLL_WEIGHT\n>>   net: korina: use GRO\n>>   net: korina: whitespace cleanup\n>>   net: korina: update authors\n>>   net: korina: bump version\n>>\n>>  drivers/net/ethernet/korina.c | 230 ++++++++++++++----------------------------\n>>  1 file changed, 78 insertions(+), 152 deletions(-)\n>>\n>\n> --\n> Florian","headers":{"Return-Path":"<netdev-owner@vger.kernel.org>","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; 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\n\tMon, 18 Sep 2017 06:02:44 -0700 (PDT)","MIME-Version":"1.0","In-Reply-To":"<649cd233-d9b8-478b-e742-5da469df8f26@gmail.com>","References":"<20170917172353.32225-1-roman@advem.lv>\n\t<649cd233-d9b8-478b-e742-5da469df8f26@gmail.com>","From":"Roman Yeryomin <leroi.lists@gmail.com>","Date":"Mon, 18 Sep 2017 16:02:43 +0300","Message-ID":"<CACiydb+Au=X4wvw_ToLOw-g=y504kby4y5NwG9czFE8Hs8vnoQ@mail.gmail.com>","Subject":"Re: [PATCH net-next v2 0/7] korina: performance fixes and cleanup","To":"Florian Fainelli <f.fainelli@gmail.com>","Cc":"netdev <netdev@vger.kernel.org>","Content-Type":"text/plain; charset=\"UTF-8\"","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"<netdev.vger.kernel.org>","X-Mailing-List":"netdev@vger.kernel.org"}},{"id":1770153,"web_url":"http://patchwork.ozlabs.org/comment/1770153/","msgid":"<CACiydbK3WwBmQe3C36QXL76uWeoy0XGOjfTbgvK2ZLVc-2uOrA@mail.gmail.com>","list_archive_url":null,"date":"2017-09-18T13:23:08","subject":"Re: [PATCH net-next v2 0/7] korina: performance fixes and cleanup","submitter":{"id":65345,"url":"http://patchwork.ozlabs.org/api/people/65345/","name":"Roman Yeryomin","email":"leroi.lists@gmail.com"},"content":"On 18 September 2017 at 16:02, Roman Yeryomin <leroi.lists@gmail.com> wrote:\n> On 17 September 2017 at 23:09, Florian Fainelli <f.fainelli@gmail.com> wrote:\n>>\n>>\n>> On 09/17/2017 10:23 AM, Roman Yeryomin wrote:\n>>> Changes from v1:\n>>> - use GRO instead of increasing ring size\n>>> - use NAPI_POLL_WEIGHT instead of defining own NAPI_WEIGHT\n>>> - optimize rx descriptor flags processing\n>>\n>> net-next is closed at the moment, but these look like reasonable\n>> changes, I would just replace patch 7 with a patch that entirely drops\n>> the driver specific version since that does not serve any purpose in the\n>> context of an in-kernel driver.\n>\n> OK\n>\n\nOh, wait, forgot we've been here already.\nWhat about ethtool_drvinfo?\nOr you mean drop all ethtool helpers?\n\nRegards,\nRoman","headers":{"Return-Path":"<netdev-owner@vger.kernel.org>","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; 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charset=\"UTF-8\"","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"<netdev.vger.kernel.org>","X-Mailing-List":"netdev@vger.kernel.org"}},{"id":1770584,"web_url":"http://patchwork.ozlabs.org/comment/1770584/","msgid":"<20170918.165020.677623753477725447.davem@davemloft.net>","list_archive_url":null,"date":"2017-09-18T23:50:20","subject":"Re: [PATCH net-next v2 0/7] korina: performance fixes and cleanup","submitter":{"id":15,"url":"http://patchwork.ozlabs.org/api/people/15/","name":"David Miller","email":"davem@davemloft.net"},"content":"From: Roman Yeryomin <leroi.lists@gmail.com>\nDate: Sun, 17 Sep 2017 20:23:53 +0300\n\n> Changes from v1:\n> - use GRO instead of increasing ring size\n> - use NAPI_POLL_WEIGHT instead of defining own NAPI_WEIGHT\n> - optimize rx descriptor flags processing\n\nSeries applied, thank you.","headers":{"Return-Path":"<netdev-owner@vger.kernel.org>","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; 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