From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B3221C33CB3 for ; Tue, 14 Jan 2020 18:24:08 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 908832465A for ; Tue, 14 Jan 2020 18:24:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 908832465A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; 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Tue, 14 Jan 2020 18:24:05 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id DfwU04XYSaHY for ; Tue, 14 Jan 2020 18:24:05 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by silver.osuosl.org (Postfix) with ESMTPS id EBDC320006 for ; Tue, 14 Jan 2020 18:24:04 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Jan 2020 10:24:04 -0800 X-IronPort-AV: E=Sophos;i="5.70,319,1574150400"; d="scan'208";a="213424198" Received: from ddalessa-mobl.amr.corp.intel.com (HELO [10.254.201.179]) ([10.254.201.179]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 14 Jan 2020 10:24:02 -0800 From: Dennis Dalessandro To: Jason Gunthorpe , madhuparnabhowmik04@gmail.com References: <20200114162345.19995-1-madhuparnabhowmik04@gmail.com> <20200114165740.GB22037@ziepe.ca> <74adec84-ec5b-ea1b-7adf-3f8608838259@intel.com> Message-ID: <25133367-6544-d0af-ae30-5178909748b1@intel.com> Date: Tue, 14 Jan 2020 13:24:00 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <74adec84-ec5b-ea1b-7adf-3f8608838259@intel.com> Content-Language: en-US Cc: mike.marciniszyn@intel.com, paulmck@kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, rcu@vger.kernel.org, joel@joelfernandes.org, linux-kernel-mentees@lists.linuxfoundation.org Subject: Re: [Linux-kernel-mentees] [PATCH 1/3] infiniband: hw: hfi1: verbs.c: Use built-in RCU list checking X-BeenThere: linux-kernel-mentees@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: linux-kernel-mentees-bounces@lists.linuxfoundation.org Sender: "Linux-kernel-mentees" T24gMS8xNC8yMDIwIDEyOjAwIFBNLCBEZW5uaXMgRGFsZXNzYW5kcm8gd3JvdGU6Cj4gT24gMS8x NC8yMDIwIDExOjU3IEFNLCBKYXNvbiBHdW50aG9ycGUgd3JvdGU6Cj4+IE9uIFR1ZSwgSmFuIDE0 LCAyMDIwIGF0IDA5OjUzOjQ1UE0gKzA1MzAsIAo+PiBtYWRodXBhcm5hYmhvd21pazA0QGdtYWls LmNvbSB3cm90ZToKPj4+IEZyb206IE1hZGh1cGFybmEgQmhvd21payA8bWFkaHVwYXJuYWJob3dt aWswNEBnbWFpbC5jb20+Cj4+Pgo+Pj4gbGlzdF9mb3JfZWFjaF9lbnRyeV9yY3UgaGFzIGJ1aWx0 LWluIFJDVSBhbmQgbG9jayBjaGVja2luZy4KPj4+IFBhc3MgY29uZCBhcmd1bWVudCB0byBsaXN0 X2Zvcl9lYWNoX2VudHJ5X3JjdS4KPj4+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBNYWRodXBhcm5hIEJo b3dtaWsgPG1hZGh1cGFybmFiaG93bWlrMDRAZ21haWwuY29tPgo+Pj4gwqAgZHJpdmVycy9pbmZp bmliYW5kL2h3L2hmaTEvdmVyYnMuYyB8IDIgKy0KPj4+IMKgIDEgZmlsZSBjaGFuZ2VkLCAxIGlu c2VydGlvbigrKSwgMSBkZWxldGlvbigtKQo+Pj4KPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2lu ZmluaWJhbmQvaHcvaGZpMS92ZXJicy5jIAo+Pj4gYi9kcml2ZXJzL2luZmluaWJhbmQvaHcvaGZp MS92ZXJicy5jCj4+PiBpbmRleCAwODllMjAxZDc1NTAuLjIyZjJkNGZkMjU3NyAxMDA2NDQKPj4+ ICsrKyBiL2RyaXZlcnMvaW5maW5pYmFuZC9ody9oZmkxL3ZlcmJzLmMKPj4+IEBAIC01MTUsNyAr NTE1LDcgQEAgc3RhdGljIGlubGluZSB2b2lkIGhmaTFfaGFuZGxlX3BhY2tldChzdHJ1Y3QgCj4+ PiBoZmkxX3BhY2tldCAqcGFja2V0LAo+Pj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgIG9wYV9nZXRfbGlkKHBhY2tldC0+ZGxpZCwgOUIpKTsKPj4+IMKg wqDCoMKgwqDCoMKgwqDCoCBpZiAoIW1jYXN0KQo+Pj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgZ290byBkcm9wOwo+Pj4gLcKgwqDCoMKgwqDCoMKgIGxpc3RfZm9yX2VhY2hfZW50cnlfcmN1 KHAsICZtY2FzdC0+cXBfbGlzdCwgbGlzdCkgewo+Pj4gK8KgwqDCoMKgwqDCoMKgIGxpc3RfZm9y X2VhY2hfZW50cnlfcmN1KHAsICZtY2FzdC0+cXBfbGlzdCwgbGlzdCwgCj4+PiBsb2NrZGVwX2lz X2hlbGQoJihpYnAtPnJ2cC5sb2NrKSkpIHsKPj4KPj4gT2theSwgdGhpcyBsb29rcyByZWFzb25h YmxlCj4+Cj4+IE1pa2UsIERlbm5pcywgaXMgdGhpcyB0aGUgcmlnaHQgbG9jayB0byB0ZXN0Pwo+ Pgo+IAo+IEknbSBsb29raW5nIGF0IHRoYXQgcmlnaHQgbm93IGFjdHVhbGx5LCBJIGRvbid0IHRo aW5rIHRoaXMgaXMgY29ycmVjdC4gCj4gV2FudGVkIHRvIHRhbGsgdG8gTWlrZSBiZWZvcmUgSSBz ZW5kIGEgcmVzcG9uc2UgdGhvdWdoLgo+IAo+IC1EZW5ueQoKVGhhdCdzIGRlZmluaXRlbHkgZ29p bmcgdG8gdGhyb3cgYSB0b24gb2YgbG9jayBkZXAgbWVzc2FnZXMuIEl0J3Mgbm90IApyZWFsbHkg dGhlIHJpZ2h0IGxvY2sgZWl0aGVyLiBJbnN0ZWFkIHdoYXQgd2UgcHJvYmFibHkgbmVlZCB0byBk byBpcyAKd2hhdCB3ZSBkbyBpbiB0aGUgbm9uLW11bHRpY2FzdCBwYXJ0IG9mIHRoZSBjb2RlIGFu ZCB0YWtlIHRoZSAKcmN1X3JlYWRfbG9jaygpLgoKSSdkIHNheSBob2xkIG9mZiBvbiB0aGlzIGFu ZCB3ZSdsbCBmaXggaXQgcmlnaHQuIFNhbWUgZ29lcyBmb3IgdGhlIHFpYiBvbmUuCgpUaGUgcmRt YXZ0IG9uZSB0aG91Z2ggbG9va3MgdG8gYmUgT0suIEknbGwgZ2l2ZSBpdCBhIHRlc3QuCgotRGVu bnkKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXgt a2VybmVsLW1lbnRlZXMgbWFpbGluZyBsaXN0CkxpbnV4LWtlcm5lbC1tZW50ZWVzQGxpc3RzLmxp bnV4Zm91bmRhdGlvbi5vcmcKaHR0cHM6Ly9saXN0cy5saW51eGZvdW5kYXRpb24ub3JnL21haWxt YW4vbGlzdGluZm8vbGludXgta2VybmVsLW1lbnRlZXMK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.8 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F23B8C33C9E for ; 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[192.55.52.151]) by mx.google.com with ESMTPS id k10si14978517pgi.505.2020.01.14.10.24.04 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 14 Jan 2020 10:24:05 -0800 (PST) Received-SPF: pass (google.com: domain of dennis.dalessandro@intel.com designates 192.55.52.151 as permitted sender) client-ip=192.55.52.151; X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Jan 2020 10:24:04 -0800 X-IronPort-AV: E=Sophos;i="5.70,319,1574150400"; d="scan'208";a="213424198" Received: from ddalessa-mobl.amr.corp.intel.com (HELO [10.254.201.179]) ([10.254.201.179]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 14 Jan 2020 10:24:02 -0800 References: <20200114162345.19995-1-madhuparnabhowmik04@gmail.com> <20200114165740.GB22037@ziepe.ca> <74adec84-ec5b-ea1b-7adf-3f8608838259@intel.com> User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: <74adec84-ec5b-ea1b-7adf-3f8608838259@intel.com> Content-Language: en-US Cc: mike.marciniszyn@intel.com, paulmck@kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, rcu@vger.kernel.org, joel@joelfernandes.org, linux-kernel-mentees@lists.linuxfoundation.org Subject: Re: [Linux-kernel-mentees] [PATCH 1/3] infiniband: hw: hfi1: verbs.c: Use built-in RCU list checking X-BeenThere: linux-kernel-mentees@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: linux-kernel-mentees-bounces@lists.linuxfoundation.org Sender: "Linux-kernel-mentees" Message-ID: <20200114183458.i3u-I4saoSJzxzYptVB6fGxnHvkp60A65SD9o9bG4S0@z> RnJvbTogRGVubmlzIERhbGVzc2FuZHJvIDxkZW5uaXMuZGFsZXNzYW5kcm9AaW50ZWwuY29tPgoK T24gMS8xNC8yMDIwIDEyOjAwIFBNLCBEZW5uaXMgRGFsZXNzYW5kcm8gd3JvdGU6Cj4gT24gMS8x NC8yMDIwIDExOjU3IEFNLCBKYXNvbiBHdW50aG9ycGUgd3JvdGU6Cj4+IE9uIFR1ZSwgSmFuIDE0 LCAyMDIwIGF0IDA5OjUzOjQ1UE0gKzA1MzAsIAo+PiBtYWRodXBhcm5hYmhvd21pazA0QGdtYWls LmNvbSB3cm90ZToKPj4+IEZyb206IE1hZGh1cGFybmEgQmhvd21payA8bWFkaHVwYXJuYWJob3dt aWswNEBnbWFpbC5jb20+Cj4+Pgo+Pj4gbGlzdF9mb3JfZWFjaF9lbnRyeV9yY3UgaGFzIGJ1aWx0 LWluIFJDVSBhbmQgbG9jayBjaGVja2luZy4KPj4+IFBhc3MgY29uZCBhcmd1bWVudCB0byBsaXN0 X2Zvcl9lYWNoX2VudHJ5X3JjdS4KPj4+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBNYWRodXBhcm5hIEJo b3dtaWsgPG1hZGh1cGFybmFiaG93bWlrMDRAZ21haWwuY29tPgo+Pj4gwqAgZHJpdmVycy9pbmZp bmliYW5kL2h3L2hmaTEvdmVyYnMuYyB8IDIgKy0KPj4+IMKgIDEgZmlsZSBjaGFuZ2VkLCAxIGlu c2VydGlvbigrKSwgMSBkZWxldGlvbigtKQo+Pj4KPj4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2lu ZmluaWJhbmQvaHcvaGZpMS92ZXJicy5jIAo+Pj4gYi9kcml2ZXJzL2luZmluaWJhbmQvaHcvaGZp MS92ZXJicy5jCj4+PiBpbmRleCAwODllMjAxZDc1NTAuLjIyZjJkNGZkMjU3NyAxMDA2NDQKPj4+ ICsrKyBiL2RyaXZlcnMvaW5maW5pYmFuZC9ody9oZmkxL3ZlcmJzLmMKPj4+IEBAIC01MTUsNyAr NTE1LDcgQEAgc3RhdGljIGlubGluZSB2b2lkIGhmaTFfaGFuZGxlX3BhY2tldChzdHJ1Y3QgCj4+ PiBoZmkxX3BhY2tldCAqcGFja2V0LAo+Pj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgIG9wYV9nZXRfbGlkKHBhY2tldC0+ZGxpZCwgOUIpKTsKPj4+IMKg wqDCoMKgwqDCoMKgwqDCoCBpZiAoIW1jYXN0KQo+Pj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgZ290byBkcm9wOwo+Pj4gLcKgwqDCoMKgwqDCoMKgIGxpc3RfZm9yX2VhY2hfZW50cnlfcmN1 KHAsICZtY2FzdC0+cXBfbGlzdCwgbGlzdCkgewo+Pj4gK8KgwqDCoMKgwqDCoMKgIGxpc3RfZm9y X2VhY2hfZW50cnlfcmN1KHAsICZtY2FzdC0+cXBfbGlzdCwgbGlzdCwgCj4+PiBsb2NrZGVwX2lz X2hlbGQoJihpYnAtPnJ2cC5sb2NrKSkpIHsKPj4KPj4gT2theSwgdGhpcyBsb29rcyByZWFzb25h YmxlCj4+Cj4+IE1pa2UsIERlbm5pcywgaXMgdGhpcyB0aGUgcmlnaHQgbG9jayB0byB0ZXN0Pwo+ Pgo+IAo+IEknbSBsb29raW5nIGF0IHRoYXQgcmlnaHQgbm93IGFjdHVhbGx5LCBJIGRvbid0IHRo aW5rIHRoaXMgaXMgY29ycmVjdC4gCj4gV2FudGVkIHRvIHRhbGsgdG8gTWlrZSBiZWZvcmUgSSBz ZW5kIGEgcmVzcG9uc2UgdGhvdWdoLgo+IAo+IC1EZW5ueQoKVGhhdCdzIGRlZmluaXRlbHkgZ29p bmcgdG8gdGhyb3cgYSB0b24gb2YgbG9jayBkZXAgbWVzc2FnZXMuIEl0J3Mgbm90IApyZWFsbHkg dGhlIHJpZ2h0IGxvY2sgZWl0aGVyLiBJbnN0ZWFkIHdoYXQgd2UgcHJvYmFibHkgbmVlZCB0byBk byBpcyAKd2hhdCB3ZSBkbyBpbiB0aGUgbm9uLW11bHRpY2FzdCBwYXJ0IG9mIHRoZSBjb2RlIGFu ZCB0YWtlIHRoZSAKcmN1X3JlYWRfbG9jaygpLgoKSSdkIHNheSBob2xkIG9mZiBvbiB0aGlzIGFu ZCB3ZSdsbCBmaXggaXQgcmlnaHQuIFNhbWUgZ29lcyBmb3IgdGhlIHFpYiBvbmUuCgpBbHJpZ2h0 LCB0aGFuayB5b3UgZm9yIHJldmlld2luZy4KClRoZSByZG1hdnQgb25lIHRob3VnaCBsb29rcyB0 byBiZSBPSy4gSSdsbCBnaXZlIGl0IGEgdGVzdC4KClRoYW5rIHlvdSwKTWFkaHVwYXJuYQoKLURl bm55Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4 LWtlcm5lbC1tZW50ZWVzIG1haWxpbmcgbGlzdApMaW51eC1rZXJuZWwtbWVudGVlc0BsaXN0cy5s aW51eGZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGludXhmb3VuZGF0aW9uLm9yZy9tYWls bWFuL2xpc3RpbmZvL2xpbnV4LWtlcm5lbC1tZW50ZWVzCg==