From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2 2/2] block/xen-blkfront: Handle non-indirect grant with 64KB pages Date: Thu, 12 Nov 2015 17:30:16 +0000 Message-ID: <5644CCA8.4090003__30969.3602067002$1447349578$gmane$org@citrix.com> References: <1445264354-23648-1-git-send-email-julien.grall@citrix.com> <1445264354-23648-3-git-send-email-julien.grall@citrix.com> <5644C111.2020006@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Zwvip-0004dM-7X for xen-devel@lists.xenproject.org; Thu, 12 Nov 2015 17:31:43 +0000 In-Reply-To: <5644C111.2020006@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: =?UTF-8?B?Um9nZXIgUGF1IE1vbm7DqQ==?= , xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: Boris Ostrovsky , David Vrabel List-Id: xen-devel@lists.xenproject.org SGksCgpPbiAxMi8xMS8xNSAxNjo0MCwgUm9nZXIgUGF1IE1vbm7DqSB3cm90ZToKPj4gWzFdIGh0 dHA6Ly9saXN0cy54ZW4ub3JnL2FyY2hpdmVzL2h0bWwveGVuLWRldmVsLzIwMTUtMDgvbXNnMDIy MDAuaHRtbAo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBKdWxpZW4gR3JhbGwgPGp1bGllbi5ncmFsbEBj aXRyaXguY29tPgo+IAo+IExHVE0sIG9ubHkgYSBjb3VwbGUgb2YgdHlwb3MgYW5kIGEgc2ltcGxp ZmljYXRpb246Cj4gCj4gU2lnbmVkLW9mZi1ieTogUm9nZXIgUGF1IE1vbm7DqSA8cm9nZXIucGF1 QGNpdHJpeC5jb20+CgpEbyB5b3UgbWVhbiBBY2tlZC1ieT8gOykKCj4+ICsKPj4gKwkvKiBUaGUg SS9PIHJlcXVlc3QgbWF5IGJlIHNwbGl0IGluIHR3byAqLwo+PiArCWlmICh1bmxpa2VseShzLT5h c3NvY2lhdGVkX2lkICE9IE5PX0FTU09DSUFURURfSUQpKSB7Cj4+ICsJCXN0cnVjdCBibGtfc2hh ZG93ICpzMiA9ICZpbmZvLT5zaGFkb3dbcy0+YXNzb2NpYXRlZF9pZF07Cj4+ICsKPj4gKwkJLyog S2VlcCB0aGUgc3RhdHVzIG9mIHRoZSBjdXJyZW50IHJlc3BvbnNlIGluIHNoYWRvdyAqLwo+PiAr CQlzLT5zdGF0dXMgPSAoYnJldC0+c3RhdHVzID09IEJMS0lGX1JTUF9PS0FZKSA/Cj4+ICsJCQlS RVFfRE9ORSA6IFJFUV9GQUlMOwo+PiArCj4+ICsJCS8qIFdhaXQgdGhlIHNlY29uZCByZXNwb25z ZSBpZiBub3QgeWV0IGhlcmUgKi8KPj4gKwkJaWYgKHMyLT5zdGF0dXMgPT0gUkVRX1dBSVRJTkcp Cj4+ICsJCQlyZXR1cm4gMDsKPj4gKwo+PiArCQkvKgo+PiArCQkgKiBUaGUgc3RhdHVzIG9mIHRo ZSBjdXJyZW50IHJlc3BvbnNlIHdpbGwgYmUgdXNlZCBpbgo+PiArCQkgKiBvcmRlciB0byBrbm93 IGlmIHRoZSByZXF1ZXN0IGhhcyBmYWlsZWQuCj4+ICsJCSAqIFVwZGF0ZSB0aGUgY3VycmVudCBy ZXNwb25zZSBzdGF0dXMgb25seSBpZiBoYXMgbm90Cj4+ICsJCSAqIGZhaWxlZC4KPj4gKwkJICov Cj4+ICsJCWlmIChicmV0LT5zdGF0dXMgPT0gQkxLSUZfUlNQX09LQVkgJiYgczItPnN0YXR1cyA9 PSBSRVFfRkFJTCkKPiAKPiBUaGlzIGNvdWxkIGJlIHNpbXBsaWZpZWQgYnkgb25seSBjaGVja2lu ZyBpZiBzMi0+c3RhdHVzID09IFJFUV9GQUlMLgoKSSBkaWRuJ3QgZG8gaXQgYmVjYXVzZSBicmV0 LT5zdGF0dXMgbWF5IGJlIGRpZmZlcmVudCB0aGFuCkJMS0lGX1JTUF9FUlJPUiAoZm9yIGluc3Rh bmNlIEJMS0lGX1JTUF9FT1BOT1RTVVBQKS4KClJlZ2FyZHMsCgotLSAKSnVsaWVuIEdyYWxsCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwg bWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3Jn L3hlbi1kZXZlbAo=