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([2a01:e34:ed2f:f020:ca2:9689:fa5d:1fea]) by smtp.googlemail.com with ESMTPSA id t13sm16071283wra.70.2019.09.03.00.50.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 03 Sep 2019 00:50:07 -0700 (PDT) Subject: Re: [PATCH 1/4] softirq: implement IRQ flood detection mechanism To: Ming Lei References: <20190827225827.GA5263@ming.t460p> <20190828110633.GC15524@ming.t460p> <20190828135054.GA23861@ming.t460p> <20190903033001.GB23861@ming.t460p> <299fb6b5-d414-2e71-1dd2-9d6e34ee1c79@linaro.org> <20190903063125.GA21022@ming.t460p> <6b88719c-782a-4a63-db9f-bf62734a7874@linaro.org> <20190903072848.GA22170@ming.t460p> From: Daniel Lezcano Openpgp: preference=signencrypt Autocrypt: addr=daniel.lezcano@linaro.org; prefer-encrypt=mutual; keydata= mQINBFv/yykBEADDdW8RZu7iZILSf3zxq5y8YdaeyZjI/MaqgnvG/c3WjFaunoTMspeusiFE sXvtg3ehTOoyD0oFjKkHaia1Zpa1m/gnNdT/WvTveLfGA1gH+yGes2Sr53Ht8hWYZFYMZc8V 2pbSKh8wepq4g8r5YI1XUy9YbcTdj5mVrTklyGWA49NOeJz2QbfytMT3DJmk40LqwK6CCSU0 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iqWjuat8/HWc01yEd8rtkGuUcMqbCi1XhcAmkaOnX8FYscMRoyyMrWClRZEQRokqZIj79+PR adkDXtr4MeL8BaB7Ij2oyRVjXUwhFQNKi5Z5Rve0a3zvGkkqw8Mz20BOksjSWjAF6g9byukl CUVjC03PdMSufNLK06x5hPc/c4tFR4J9cLrV+XxdCX7r0zGos9SzTPGNuIk1LK++S3EJhLFj 4eoWtNhMWc1uiTf9ENza0ntqH9XBWEQ6IA1gubCniGG+Xg== Message-ID: Date: Tue, 3 Sep 2019 09:50:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20190903072848.GA22170@ming.t460p> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190903_005010_920269_ADBE41F6 X-CRM114-Status: GOOD ( 16.85 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jens Axboe , Hannes Reinecke , Sagi Grimberg , linux-scsi@vger.kernel.org, Peter Zijlstra , Long Li , John Garry , LKML , linux-nvme@lists.infradead.org, Keith Busch , Ingo Molnar , Thomas Gleixner , Christoph Hellwig Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org T24gMDMvMDkvMjAxOSAwOToyOCwgTWluZyBMZWkgd3JvdGU6Cj4gT24gVHVlLCBTZXAgMDMsIDIw MTkgYXQgMDg6NDA6MzVBTSArMDIwMCwgRGFuaWVsIExlemNhbm8gd3JvdGU6Cj4+IE9uIDAzLzA5 LzIwMTkgMDg6MzEsIE1pbmcgTGVpIHdyb3RlOgo+Pj4gSGkgRGFuaWVsLAo+Pj4KPj4+IE9uIFR1 ZSwgU2VwIDAzLCAyMDE5IGF0IDA3OjU5OjM5QU0gKzAyMDAsIERhbmllbCBMZXpjYW5vIHdyb3Rl Ogo+Pj4+Cj4+Pj4gSGkgTWluZyBMZWksCj4+Pj4KPj4+PiBPbiAwMy8wOS8yMDE5IDA1OjMwLCBN aW5nIExlaSB3cm90ZToKPj4+Pgo+Pj4+IFsgLi4uIF0KPj4+Pgo+Pj4+Cj4+Pj4+Pj4gMikgaXJx L3RpbWluZyBkb2Vzbid0IGNvdmVyIHNvZnRpcnEKPj4+Pj4+Cj4+Pj4+PiBUaGF0J3Mgc29sdmFi bGUsIHJpZ2h0Pwo+Pj4+Pgo+Pj4+PiBZZWFoLCB3ZSBjYW4gZXh0ZW5kIGlycS90aW1pbmcsIGJ1 dCB1Z2x5IGZvciBpcnEvdGltaW5nLCBzaW5jZSBpcnEvdGltaW5nCj4+Pj4+IGZvY3VzZXMgb24g aGFyZGlycSBwcmVkaWNhdGlvbiwgYW5kIHNvZnRpcnEgaXNuJ3QgaW52b2x2ZWQgaW4gdGhhdAo+ 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