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([2a01:e34:ed2f:f020:a0b5:f0e4:ddb5:dee4]) by smtp.googlemail.com with ESMTPSA id a13sm9501606wrf.73.2019.09.05.22.14.15 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 05 Sep 2019 22:14:18 -0700 (PDT) Subject: Re: [PATCH 1/4] softirq: implement IRQ flood detection mechanism To: Ming Lei References: <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> <6f3b6557-1767-8c80-f786-1ea667179b39@acm.org> <2a8bd278-5384-d82f-c09b-4fce236d2d95@linaro.org> <20190905090617.GB4432@ming.t460p> <6a36ccc7-24cd-1d92-fef1-2c5e0f798c36@linaro.org> <20190906014819.GB27116@ming.t460p> From: Daniel Lezcano Openpgp: preference=signencrypt Autocrypt: addr=daniel.lezcano@linaro.org; prefer-encrypt=mutual; keydata= mQINBFv/yykBEADDdW8RZu7iZILSf3zxq5y8YdaeyZjI/MaqgnvG/c3WjFaunoTMspeusiFE 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Reinecke , Bart Van Assche , 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 , Sagi Grimberg 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 CkhpLAoKT24gMDYvMDkvMjAxOSAwMzo0OCwgTWluZyBMZWkgd3JvdGU6CgpbIC4uLiBdCgo+PiBZ b3UgZGlkIG5vdCBzaGFyZSB5ZXQgdGhlIGFuYWx5c2lzIG9mIHRoZSBwcm9ibGVtICh0aGUga2Vy bmVsIHdhcm5pbmdzCj4+IGdpdmUgdGhlIHN5bXB0b21zKSBhbmQgZ2F2ZSB0aGUgcmVhc29uaW5n IGZvciB0aGUgc29sdXRpb24uIEl0IGlzIGhhcmQKPj4gdG8gdW5kZXJzdGFuZCB3aGF0IHlvdSBh cmUgbG9va2luZyBmb3IgZXhhY3RseSBhbmQgaG93IHRvIGNvbm5lY3QgdGhlIGRvdHMuCj4gCj4g TGV0IG1lIGV4cGxhaW4gaXQgb25lIG1vcmUgdGltZTo+Cj4gV2hlbiBvbmUgSVJRIGZsb29kIGhh cHBlbnMgb24gb25lIENQVToKPiAKPiAxKSBzb2Z0aXJxIGhhbmRsaW5nIG9uIHRoaXMgQ1BVIGNh 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