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x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: LPj0FG91dr2fkqcFCRjdNqFubYj382m+wQ8LTfcASEMTGHX2PuPNd6KAn9g4qhqJITRYt9iFBD oQvAkoF7mIBxL+LHKALY/B7w/GrZo0/xoOailjKtS8obNrssMVCkGUWmQxg0mZHOMgPuHfCpb6 Ve4D0bxDJBGcAcQbn+ow74tNYg70VcGiGnuxWQNOUbGB+kg1BWB/+PGXDOwjvGGgvr/rf0gH+Q PPr0oWouzhKtKzKJk+L2OWHEYHav+TJMUoe313mezpWrZlP7ZpyJoDkQSSHtju7h2wGoFmbBWM DHQ= X-SBRS: 2.7 X-MesageID: 2571736 X-Ironport-Server: esa3.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.63,446,1557201600"; d="scan'208";a="2571736" To: Jan Beulich , xen-devel References: <5CC6DD090200007800229E80@prv1-mh.provo.novell.com> <5CDE8F5B020000780023005F@prv1-mh.provo.novell.com> <5CDE91530200007800230078@prv1-mh.provo.novell.com> From: Andrew Cooper Openpgp: preference=signencrypt Autocrypt: addr=andrew.cooper3@citrix.com; prefer-encrypt=mutual; keydata= mQINBFLhNn8BEADVhE+Hb8i0GV6mihnnr/uiQQdPF8kUoFzCOPXkf7jQ5sLYeJa0cQi6Penp VtiFYznTairnVsN5J+ujSTIb+OlMSJUWV4opS7WVNnxHbFTPYZVQ3erv7NKc2iVizCRZ2Kxn srM1oPXWRic8BIAdYOKOloF2300SL/bIpeD+x7h3w9B/qez7nOin5NzkxgFoaUeIal12pXSR Q354FKFoy6Vh96gc4VRqte3jw8mPuJQpfws+Pb+swvSf/i1q1+1I4jsRQQh2m6OTADHIqg2E ofTYAEh7R5HfPx0EXoEDMdRjOeKn8+vvkAwhviWXTHlG3R1QkbE5M/oywnZ83udJmi+lxjJ5 YhQ5IzomvJ16H0Bq+TLyVLO/VRksp1VR9HxCzItLNCS8PdpYYz5TC204ViycobYU65WMpzWe LFAGn8jSS25XIpqv0Y9k87dLbctKKA14Ifw2kq5OIVu2FuX+3i446JOa2vpCI9GcjCzi3oHV e00bzYiHMIl0FICrNJU0Kjho8pdo0m2uxkn6SYEpogAy9pnatUlO+erL4LqFUO7GXSdBRbw5 gNt25XTLdSFuZtMxkY3tq8MFss5QnjhehCVPEpE6y9ZjI4XB8ad1G4oBHVGK5LMsvg22PfMJ ISWFSHoF/B5+lHkCKWkFxZ0gZn33ju5n6/FOdEx4B8cMJt+cWwARAQABtClBbmRyZXcgQ29v cGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPokCOgQTAQgAJAIbAwULCQgHAwUVCgkI CwUWAgMBAAIeAQIXgAUCWKD95wIZAQAKCRBlw/kGpdefoHbdD/9AIoR3k6fKl+RFiFpyAhvO 59ttDFI7nIAnlYngev2XUR3acFElJATHSDO0ju+hqWqAb8kVijXLops0gOfqt3VPZq9cuHlh IMDquatGLzAadfFx2eQYIYT+FYuMoPZy/aTUazmJIDVxP7L383grjIkn+7tAv+qeDfE+txL4 SAm1UHNvmdfgL2/lcmL3xRh7sub3nJilM93RWX1Pe5LBSDXO45uzCGEdst6uSlzYR/MEr+5Z JQQ32JV64zwvf/aKaagSQSQMYNX9JFgfZ3TKWC1KJQbX5ssoX/5hNLqxMcZV3TN7kU8I3kjK mPec9+1nECOjjJSO/h4P0sBZyIUGfguwzhEeGf4sMCuSEM4xjCnwiBwftR17sr0spYcOpqET ZGcAmyYcNjy6CYadNCnfR40vhhWuCfNCBzWnUW0lFoo12wb0YnzoOLjvfD6OL3JjIUJNOmJy RCsJ5IA/Iz33RhSVRmROu+TztwuThClw63g7+hoyewv7BemKyuU6FTVhjjW+XUWmS/FzknSi dAG+insr0746cTPpSkGl3KAXeWDGJzve7/SBBfyznWCMGaf8E2P1oOdIZRxHgWj0zNr1+ooF /PzgLPiCI4OMUttTlEKChgbUTQ+5o0P080JojqfXwbPAyumbaYcQNiH1/xYbJdOFSiBv9rpt TQTBLzDKXok86LkCDQRS4TZ/ARAAkgqudHsp+hd82UVkvgnlqZjzz2vyrYfz7bkPtXaGb9H4 Rfo7mQsEQavEBdWWjbga6eMnDqtu+FC+qeTGYebToxEyp2lKDSoAsvt8w82tIlP/EbmRbDVn 7bhjBlfRcFjVYw8uVDPptT0TV47vpoCVkTwcyb6OltJrvg/QzV9f07DJswuda1JH3/qvYu0p vjPnYvCq4NsqY2XSdAJ02HrdYPFtNyPEntu1n1KK+gJrstjtw7KsZ4ygXYrsm/oCBiVW/OgU g/XIlGErkrxe4vQvJyVwg6YH653YTX5hLLUEL1NS4TCo47RP+wi6y+TnuAL36UtK/uFyEuPy wwrDVcC4cIFhYSfsO0BumEI65yu7a8aHbGfq2lW251UcoU48Z27ZUUZd2Dr6O/n8poQHbaTd 6bJJSjzGGHZVbRP9UQ3lkmkmc0+XCHmj5WhwNNYjgbbmML7y0fsJT5RgvefAIFfHBg7fTY/i kBEimoUsTEQz+N4hbKwo1hULfVxDJStE4sbPhjbsPCrlXf6W9CxSyQ0qmZ2bXsLQYRj2xqd1 bpA+1o1j2N4/au1R/uSiUFjewJdT/LX1EklKDcQwpk06Af/N7VZtSfEJeRV04unbsKVXWZAk uAJyDDKN99ziC0Wz5kcPyVD1HNf8bgaqGDzrv3TfYjwqayRFcMf7xJaL9xXedMcAEQEAAYkC HwQYAQgACQUCUuE2fwIbDAAKCRBlw/kGpdefoG4XEACD1Qf/er8EA7g23HMxYWd3FXHThrVQ HgiGdk5Yh632vjOm9L4sd/GCEACVQKjsu98e8o3ysitFlznEns5EAAXEbITrgKWXDDUWGYxd pnjj2u+GkVdsOAGk0kxczX6s+VRBhpbBI2PWnOsRJgU2n10PZ3mZD4Xu9kU2IXYmuW+e5KCA vTArRUdCrAtIa1k01sPipPPw6dfxx2e5asy21YOytzxuWFfJTGnVxZZSCyLUO83sh6OZhJkk b9rxL9wPmpN/t2IPaEKoAc0FTQZS36wAMOXkBh24PQ9gaLJvfPKpNzGD8XWR5HHF0NLIJhgg 4ZlEXQ2fVp3XrtocHqhu4UZR4koCijgB8sB7Tb0GCpwK+C4UePdFLfhKyRdSXuvY3AHJd4CP 4JzW0Bzq/WXY3XMOzUTYApGQpnUpdOmuQSfpV9MQO+/jo7r6yPbxT7CwRS5dcQPzUiuHLK9i nvjREdh84qycnx0/6dDroYhp0DFv4udxuAvt1h4wGwTPRQZerSm4xaYegEFusyhbZrI0U9tJ B8WrhBLXDiYlyJT6zOV2yZFuW47VrLsjYnHwn27hmxTC/7tvG3euCklmkn9Sl9IAKFu29RSo d5bD8kMSCYsTqtTfT6W4A3qHGvIDta3ptLYpIAOD2sY3GYq2nf3Bbzx81wZK14JdDDHUX2Rs 6+ahAA== Message-ID: <643c5eb5-f0cb-549e-681e-142f2309958b@citrix.com> Date: Wed, 3 Jul 2019 19:23:43 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <5CDE91530200007800230078@prv1-mh.provo.novell.com> Content-Language: en-GB X-ClientProxiedBy: AMSPEX02CAS02.citrite.net (10.69.22.113) To AMSPEX02CL02.citrite.net (10.69.22.126) Subject: Re: [Xen-devel] [PATCH v3 06/15] x86/IRQ: fix locking around vector management X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Wei Liu , Roger Pau Monne Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMTcvMDUvMjAxOSAxMTo0NywgSmFuIEJldWxpY2ggd3JvdGU6Cj4gQWxsIG9mIF9fe2Fzc2ln bixiaW5kLGNsZWFyfV9pcnFfdmVjdG9yKCkgbWFuaXB1bGF0ZSBzdHJ1Y3QgaXJxX2Rlc2MKPiBm aWVsZHMsIGFuZCBoZW5jZSBvdWdodCB0byBiZSBjYWxsZWQgd2l0aCB0aGUgZGVzY3JpcHRvciBs b2NrIGhlbGQgaW4KPiBhZGRpdGlvbiB0byB2ZWN0b3JfbG9jay4gVGhpcyBpcyBjdXJyZW50bHkg dGhlIGNhc2UgZm9yIG9ubHkKPiBzZXRfZGVzY19hZmZpbml0eSgpIChpbiB0aGUgY29tbW9uIGNh c2UpIGFuZCBkZXN0cm95X2lycSgpLCB3aGljaCBhbHNvCj4gY2xhcmlmaWVzIHdoYXQgdGhlIG5l c3RpbmcgYmVoYXZpb3IgYmV0d2VlbiB0aGUgbG9ja3MgaGFzIHRvIGJlLgo+IFJlZmxlY3QgdGhl IG5ldyBleHBlY3RhdGlvbiBieSBoYXZpbmcgdGhlc2UgZnVuY3Rpb25zIGFsbCB0YWtlIGEKPiBk ZXNjcmlwdG9yIGFzIHBhcmFtZXRlciBpbnN0ZWFkIG9mIGFuIGludGVycnVwdCBudW1iZXIuCj4K PiBBbHNvIHRha2UgY2FyZSBvZiB0aGUgdHdvIHNwZWNpYWwgY2FzZXMgb2YgY2FsbHMgdG8gc2V0 X2Rlc2NfYWZmaW5pdHkoKToKPiBzZXRfaW9hcGljX2FmZmluaXR5X2lycSgpIGFuZCBWVC1kJ3Mg ZG1hX21zaV9zZXRfYWZmaW5pdHkoKSBnZXQgY2FsbGVkCj4gZGlyZWN0bHkgYXMgd2VsbCwgYW5k IGluIHRoZXNlIGNhc2VzIHRoZSBkZXNjcmlwdG9yIGxvY2tzIGhhZG4ndCBnb3QKPiBhY3F1aXJl ZCB0aWxsIG5vdy4gRm9yIHNldF9pb2FwaWNfYWZmaW5pdHlfaXJxKCkgdGhpcyBtZWFucyBhY3F1 aXJpbmcgLwo+IHJlbGVhc2luZyBvZiB0aGUgSU8tQVBJQyBsb2NrIGNhbiBiZSBwbGFpbiBzcGlu X3ssdW59bG9jaygpIHRoZW4uCj4KPiBEcm9wIG9uZSBvZiB0aGUgdHdvIGxlYWRpbmcgdW5kZXJz Y29yZXMgZnJvbSBhbGwgdGhyZWUgZnVuY3Rpb25zIGF0Cj4gdGhlIHNhbWUgdGltZS4KPgo+IFRo ZXJlJ3Mgb25lIGNhc2UgbGVmdCB3aGVyZSBkZXNjcmlwdG9ycyBnZXQgbWFuaXB1bGF0ZWQgd2l0 aCBqdXN0Cj4gdmVjdG9yX2xvY2sgaGVsZDogc2V0dXBfdmVjdG9yX2lycSgpIGFzc3VtZXMgaXRz IGNhbGxlciB0byBhY3F1aXJlCj4gdmVjdG9yX2xvY2ssIGFuZCBoZW5jZSBjYW4ndCBpdHNlbGYg YWNxdWlyZSB0aGUgZGVzY3JpcHRvciBsb2NrcyAod3JvbmcKPiBsb2NrIG9yZGVyKS4gSSBkb24n dCBjdXJyZW50bHkgc2VlIGhvdyB0byBhZGRyZXNzIHRoaXMuCgpJbiBwcmFjdGljZSwgdGhlIG9u bHkgbXV0YXRpb24gaXMgc2V0dGluZyBhIGJpdCBpbiBjcHVfbWFzayBmb3IgdGhlCnNoYXJlZCBo aWdoIHByaW9yaXR5IHZlY3RvcnMsIHNvIGxvb2tzIHRvIGJlIHNhZmUgaW4gcHJhY3RpY2UuwqAg VGhlCmNhbGxlcnMgdXNlIG9mIHRoZSB2ZWN0b3JfbG9jayBsb29rcyBsaWtlIGEgYm9kZ2UgdGhv dWdoLgoKSG93ZXZlcizCoCB0aGlzIGFuYWx5c2lzIG5lZWRzIHRvIGJlIGFkZGVkIHRvIHRoZSBj b21tZW50IGZvcgpzZXR1cF92ZWN0b3JfaXJxKCksIGJlY2F1c2UgdGhlIGJlaGF2aW91ciBpcyBl eHRyZW1lbHkgZnJhZ2lsZSBhbmQKbXVzdG4ndCBjaGFuZ2UuCgo+Cj4gU2lnbmVkLW9mZi1ieTog SmFuIEJldWxpY2ggPGpiZXVsaWNoQHN1c2UuY29tPgo+IFJldmlld2VkLWJ5OiBLZXZpbiBUaWFu IDxrZXZpbi50aWFuQGludGVsLmNvbT4gW1ZULWRdCj4gUmV2aWV3ZWQtYnk6IFJvZ2VyIFBhdSBN b25uw6kgPHJvZ2VyLnBhdUBjaXRyaXguY29tPgoKV2l0aCBzb21lIGZvcm0gb2YgYWRqdXN0bWVu dCB0byB0aGUgY29tbWVudCBmb3Igc2V0dXBfdmVjdG9yX2lycSgpLCBhbmQKaWRlYWxseSB0byB0 aGUgY29tbWl0IG1lc3NhZ2UgYWJvdXQgc2FmZXR5IGluIHByYWN0aWNlLCBBY2tlZC1ieTogQW5k cmV3CkNvb3BlciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVu LWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcv bWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=