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bh=+mPdPPkL2uexbS0eM20lasDqx05OgOBYtjBXonlsDAo=; b=LG3eu7tKMK8u63hCuxICxDHcBI1nbW+fm2voxrXgYqG4vYTzx2RXb7DeFdX9ybUVMGZ8N8 FXaG0rT9dXYedMT1rL9MS2yDrfz8830phszconLPDc0vj8B4Z8yOVPR86peKJZWspyaiFv YOlb77Nx5SCgG8By8Zx7rDjA+udQFcY= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-212-bCSOr24NM8yqrpMNEqdq9Q-1; Thu, 08 Apr 2021 05:46:57 -0400 X-MC-Unique: bCSOr24NM8yqrpMNEqdq9Q-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D325C80364C; Thu, 8 Apr 2021 09:46:55 +0000 (UTC) Received: from wangxiaodeMacBook-Air.local (ovpn-13-53.pek2.redhat.com [10.72.13.53]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3BC985C5E1; Thu, 8 Apr 2021 09:46:46 +0000 (UTC) Subject: Re: [PATCH 4/5] vdpa/mlx5: Fix wrong use of bit numbers To: Eli Cohen , mst@redhat.com, parav@nvidia.com, si-wei.liu@oracle.com, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org References: <20210408091047.4269-1-elic@nvidia.com> <20210408091047.4269-5-elic@nvidia.com> From: Jason Wang Message-ID: Date: Thu, 8 Apr 2021 17:46:45 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: <20210408091047.4269-5-elic@nvidia.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Cc: stable@vger.kernel.org X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="gbk"; Format="flowed" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" CtTaIDIwMjEvNC84IM/Czuc1OjEwLCBFbGkgQ29oZW4g0LS1wDoKPiBWSVJUSU9fRl9WRVJTSU9O XzEgaXMgYSBiaXQgbnVtYmVyLiBVc2UgQklUX1VMTCgpIHdpdGggbWFzawo+IGNvbmRpdGlvbmFs cy4KPgo+IEFsc28sIGluIG1seDVfdmRwYV9pc19saXR0bGVfZW5kaWFuKCkgdXNlIEJJVF9VTEwg Zm9yIGNvbnNpc3RlbmN5IHdpdGgKPiB0aGUgcmVzdCBvZiB0aGUgY29kZS4KPgo+IEZpeGVzOiAx YTg2YjM3N2FhMjEgKCJ2ZHBhL21seDU6IEFkZCBWRFBBIGRyaXZlciBmb3Igc3VwcG9ydGVkIG1s eDUgZGV2aWNlcyIpCj4gU2lnbmVkLW9mZi1ieTogRWxpIENvaGVuIDxlbGljQG52aWRpYS5jb20+ CgoKQWNrZWQtYnk6IEphc29uIFdhbmcgPGphc293YW5nQHJlZGhhdC5jb20+CgoKPiAtLS0KPiAg IGRyaXZlcnMvdmRwYS9tbHg1L25ldC9tbHg1X3ZuZXQuYyB8IDQgKystLQo+ICAgMSBmaWxlIGNo YW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL3ZkcGEvbWx4NS9uZXQvbWx4NV92bmV0LmMgYi9kcml2ZXJzL3ZkcGEvbWx4NS9uZXQv bWx4NV92bmV0LmMKPiBpbmRleCBhNDllYmIyNTAyNTMuLjZmZTYxZmM1Nzc5MCAxMDA2NDQKPiAt LS0gYS9kcml2ZXJzL3ZkcGEvbWx4NS9uZXQvbWx4NV92bmV0LmMKPiArKysgYi9kcml2ZXJzL3Zk cGEvbWx4NS9uZXQvbWx4NV92bmV0LmMKPiBAQCAtODIwLDcgKzgyMCw3IEBAIHN0YXRpYyBpbnQg Y3JlYXRlX3ZpcnRxdWV1ZShzdHJ1Y3QgbWx4NV92ZHBhX25ldCAqbmRldiwgc3RydWN0IG1seDVf dmRwYV92aXJ0cXVlCj4gICAJTUxYNV9TRVQodmlydGlvX3EsIHZxX2N0eCwgZXZlbnRfcXBuX29y X21zaXgsIG12cS0+ZndxcC5tcXAucXBuKTsKPiAgIAlNTFg1X1NFVCh2aXJ0aW9fcSwgdnFfY3R4 LCBxdWV1ZV9zaXplLCBtdnEtPm51bV9lbnQpOwo+ICAgCU1MWDVfU0VUKHZpcnRpb19xLCB2cV9j dHgsIHZpcnRpb192ZXJzaW9uXzFfMCwKPiAtCQkgISEobmRldi0+bXZkZXYuYWN0dWFsX2ZlYXR1 cmVzICYgVklSVElPX0ZfVkVSU0lPTl8xKSk7Cj4gKwkJICEhKG5kZXYtPm12ZGV2LmFjdHVhbF9m ZWF0dXJlcyAmIEJJVF9VTEwoVklSVElPX0ZfVkVSU0lPTl8xKSkpOwo+ICAgCU1MWDVfU0VUNjQo dmlydGlvX3EsIHZxX2N0eCwgZGVzY19hZGRyLCBtdnEtPmRlc2NfYWRkcik7Cj4gICAJTUxYNV9T RVQ2NCh2aXJ0aW9fcSwgdnFfY3R4LCB1c2VkX2FkZHIsIG12cS0+ZGV2aWNlX2FkZHIpOwo+ICAg CU1MWDVfU0VUNjQodmlydGlvX3EsIHZxX2N0eCwgYXZhaWxhYmxlX2FkZHIsIG12cS0+ZHJpdmVy X2FkZHIpOwo+IEBAIC0xNTU0LDcgKzE1NTQsNyBAQCBzdGF0aWMgdm9pZCBjbGVhcl92aXJ0cXVl dWVzKHN0cnVjdCBtbHg1X3ZkcGFfbmV0ICpuZGV2KQo+ICAgc3RhdGljIGlubGluZSBib29sIG1s eDVfdmRwYV9pc19saXR0bGVfZW5kaWFuKHN0cnVjdCBtbHg1X3ZkcGFfZGV2ICptdmRldikKPiAg IHsKPiAgIAlyZXR1cm4gdmlydGlvX2xlZ2FjeV9pc19saXR0bGVfZW5kaWFuKCkgfHwKPiAtCQko bXZkZXYtPmFjdHVhbF9mZWF0dXJlcyAmICgxVUxMIDw8IFZJUlRJT19GX1ZFUlNJT05fMSkpOwo+ ICsJCShtdmRldi0+YWN0dWFsX2ZlYXR1cmVzICYgQklUX1VMTChWSVJUSU9fRl9WRVJTSU9OXzEp KTsKPiAgIH0KPiAgIAo+ICAgc3RhdGljIF9fdmlydGlvMTYgY3B1X3RvX21seDV2ZHBhMTYoc3Ry dWN0IG1seDVfdmRwYV9kZXYgKm12ZGV2LCB1MTYgdmFsKQoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KVmlydHVhbGl6YXRpb24gbWFpbGluZyBsaXN0ClZp cnR1YWxpemF0aW9uQGxpc3RzLmxpbnV4LWZvdW5kYXRpb24ub3JnCmh0dHBzOi8vbGlzdHMubGlu dXhmb3VuZGF0aW9uLm9yZy9tYWlsbWFuL2xpc3RpbmZvL3ZpcnR1YWxpemF0aW9u