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Tue, 09 Feb 2021 11:58:33 +0000 Received: from szxga07-in.huawei.com ([45.249.212.35]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l9Rf3-0004LA-BV for linux-arm-kernel@lists.infradead.org; Tue, 09 Feb 2021 11:58:31 +0000 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4DZhFm2lTgz7hpn; Tue, 9 Feb 2021 19:57:00 +0800 (CST) Received: from [127.0.0.1] (10.40.188.87) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.498.0; Tue, 9 Feb 2021 19:58:15 +0800 Subject: Re: [RFC PATCH v3 1/2] mempinfd: Add new syscall to provide memory pin To: Greg KH References: <1612685884-19514-2-git-send-email-wangzhou1@hisilicon.com> <2e6cf99f-beb6-9bef-1316-5e58fb0aa86e@hisilicon.com> From: Zhou Wang Message-ID: Date: Tue, 9 Feb 2021 19:58:15 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: X-Originating-IP: [10.40.188.87] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210209_065830_163972_D37FA8D4 X-CRM114-Status: GOOD ( 12.55 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: song.bao.hua@hisilicon.com, jean-philippe@linaro.org, kevin.tian@intel.com, Sihang Chen , jgg@ziepe.ca, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org, Andy Lutomirski , linux-mm@kvack.org, iommu@lists.linux-foundation.org, Alexander Viro , eric.auger@redhat.com, zhangfei.gao@linaro.org, Andrew Morton , liguozhu@hisilicon.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMjAyMS8yLzkgMTc6MzcsIEdyZWcgS0ggd3JvdGU6Cj4gT24gVHVlLCBGZWIgMDksIDIwMjEg YXQgMDU6MTc6NDZQTSArMDgwMCwgWmhvdSBXYW5nIHdyb3RlOgo+PiBPbiAyMDIxLzIvOCA2OjAy LCBBbmR5IEx1dG9taXJza2kgd3JvdGU6Cj4+Pgo+Pj4KPj4+PiBPbiBGZWIgNywgMjAyMSwgYXQg MTI6MzEgQU0sIFpob3UgV2FuZyA8d2FuZ3pob3UxQGhpc2lsaWNvbi5jb20+IHdyb3RlOgo+Pj4+ Cj4+Pj4g77u/U1ZBKHNoYXJlIHZpcnR1YWwgYWRkcmVzcykgb2ZmZXJzIGEgd2F5IGZvciBkZXZp Y2UgdG8gc2hhcmUgcHJvY2VzcyB2aXJ0dWFsCj4+Pj4gYWRkcmVzcyBzcGFjZSBzYWZlbHksIHdo aWNoIG1ha2VzIG1vcmUgY29udmVuaWVudCBmb3IgdXNlciBzcGFjZSBkZXZpY2UKPj4+PiBkcml2 ZXIgY29kaW5nLiBIb3dldmVyLCBJTyBwYWdlIGZhdWx0cyBtYXkgaGFwcGVuIHdoZW4gZG9pbmcg RE1BCj4+Pj4gb3BlcmF0aW9ucy4gQXMgdGhlIGxhdGVuY3kgb2YgSU8gcGFnZSBmYXVsdCBpcyBy ZWxhdGl2ZWx5IGJpZywgRE1BCj4+Pj4gcGVyZm9ybWFuY2Ugd2lsbCBiZSBhZmZlY3RlZCBzZXZl cmVseSB3aGVuIHRoZXJlIGFyZSBJTyBwYWdlIGZhdWx0cy4KPj4+PiBGcm9tIGEgbG9uZyB0ZXJt IHZpZXcsIERNQSBwZXJmb3JtYW5jZSB3aWxsIGJlIG5vdCBzdGFibGUuCj4+Pj4KPj4+PiBJbiBo aWdoLXBlcmZvcm1hbmNlIEkvTyBjYXNlcywgYWNjZWxlcmF0b3JzIG1pZ2h0IHdhbnQgdG8gcGVy Zm9ybQo+Pj4+IEkvTyBvbiBhIG1lbW9yeSB3aXRob3V0IElPIHBhZ2UgZmF1bHRzIHdoaWNoIGNh biByZXN1bHQgaW4gZHJhbWF0aWNhbGx5Cj4+Pj4gaW5jcmVhc2VkIGxhdGVuY3kuIEN1cnJlbnQg bWVtb3J5IHJlbGF0ZWQgQVBJcyBjb3VsZCBub3QgYWNoaWV2ZSB0aGlzCj4+Pj4gcmVxdWlyZW1l bnQsIGUuZy4gbWxvY2sgY2FuIG9ubHkgYXZvaWQgbWVtb3J5IHRvIHN3YXAgdG8gYmFja3VwIGRl dmljZSwKPj4+PiBwYWdlIG1pZ3JhdGlvbiBjYW4gc3RpbGwgdHJpZ2dlciBJTyBwYWdlIGZhdWx0 Lgo+Pj4+Cj4+Pj4gVmFyaW91cyBkcml2ZXJzIHdvcmtpbmcgdW5kZXIgdHJhZGl0aW9uYWwgbm9u LVNWQSBtb2RlIGFyZSB1c2luZwo+Pj4+IHRoZWlyIG93biBzcGVjaWZpYyBpb2N0bCB0byBkbyBw aW4uIFN1Y2ggaW9jdGwgY2FuIGJlIHNlZW4gaW4gdjRsMiwKPj4+PiBncHUsIGluZmluaWJhbmQs IG1lZGlhLCB2ZmlvLCBldGMuIERyaXZlcnMgYXJlIHVzdWFsbHkgZG9pbmcgZG1hCj4+Pj4gbWFw cGluZyB3aGlsZSBkb2luZyBwaW4uCj4+Pj4KPj4+PiBCdXQsIGluIFNWQSBtb2RlLCBwaW4gY291 bGQgYmUgYSBjb21tb24gbmVlZCB3aGljaCBpc24ndCBuZWNlc3NhcmlseQo+Pj4+IGJvdW5kIHdp dGggYW55IGRyaXZlcnMsIGFuZCBuZWl0aGVyIGlzIGRtYSBtYXBwaW5nIG5lZWRlZCBieSBkcml2 ZXJzCj4+Pj4gc2luY2UgZGV2aWNlcyBhcmUgdXNpbmcgdGhlIHZpcnR1YWwgYWRkcmVzcyBvZiBD UFUuIFRodXMsIEl0IGlzIGJldHRlcgo+Pj4+IHRvIGludHJvZHVjZSBhIG5ldyBjb21tb24gc3lz Y2FsbCBmb3IgaXQuCj4+Pj4KPj4+PiBUaGlzIHBhdGNoIGxldmVyYWdlcyB0aGUgZGVzaWduIG9m IHVzZXJmYXVsdGZkIGFuZCBhZGRzIG1lbXBpbmZkIGZvciBwaW4KPj4+PiB0byBhdm9pZCBtZXNz aW5nIHVwIG1tX3N0cnVjdC4gQSBmZCB3aWxsIGJlIGdvdCBieSBtZW1waW5mZCwgdGhlbiB1c2Vy Cj4+Pj4gc3BhY2UgY2FuIGRvIHBpbi91bnBpbiBwYWdlcyBieSBpb2N0bHMgb2YgdGhpcyBmZCwg YWxsIHBpbm5lZCBwYWdlcyB1bmRlcgo+Pj4+IG9uZSBmaWxlIHdpbGwgYmUgdW5waW5uZWQgaW4g ZmlsZSByZWxlYXNlIHByb2Nlc3MuIExpa2UgcGluIHBhZ2UgY2FzZXMgaW4KPj4+PiBvdGhlciBw bGFjZXMsIGNhbl9kb19tbG9jayBpcyB1c2VkIHRvIGNoZWNrIHBlcm1pc3Npb24gYW5kIGlucHV0 Cj4+Pj4gcGFyYW1ldGVycy4KPj4+Cj4+Pgo+Pj4gQ2FuIHlvdSBkb2N1bWVudCB3aGF0IHRoZSBz eXNjYWxsIGRvZXM/Cj4+Cj4+IFdpbGwgYWRkIHJlbGF0ZWQgZG9jdW1lbnQgaW4gRG9jdW1lbnRh dGlvbi92bS4KPiAKPiBBIG1hbnBhZ2UgaXMgYWx3YXlzIGdvb2QsIGFuZCB3aWxsIGJlIHJlcXVp cmVkIGV2ZW50dWFsbHkgOikKCm1hbnBhZ2UgaXMgbWFpbnRhaW5lZCBpbiBhbm90aGVyIHJlcG8u IERvIHlvdSBtZWFuIGFkZCBhIG1hbnBhZ2UKcGF0Y2ggaW4gdGhpcyBzZXJpZXM/CgpCZXN0LApa aG91Cgo+IAo+IHRoYW5rcywKPiAKPiBncmVnIGstaAo+IAo+IC4KPiAKCgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxp bmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3Rz LmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==