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d="scan'208";a="1397465" To: Jan Beulich References: <5CD2CDEC020000780022CC95@prv1-mh.provo.novell.com> <5CD2CFBB020000780022CCC6@prv1-mh.provo.novell.com> <562b4893-82eb-2ae6-3945-f80fdcc8c7a8@citrix.com> <5CF8CC0F0200007800235C8C@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: Date: Thu, 6 Jun 2019 12:34:25 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: <5CF8CC0F0200007800235C8C@prv1-mh.provo.novell.com> Content-Language: en-GB X-ClientProxiedBy: AMSPEX02CAS01.citrite.net (10.69.22.112) To AMSPEX02CL02.citrite.net (10.69.22.126) Subject: Re: [Xen-devel] [PATCH 2/4] x86/IRQ: bail early from irq_guest_eoi_timer_fn() when nothing is in flight 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: xen-devel , 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" T24gMDYvMDYvMjAxOSAwOToxNywgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4gT24gMDUuMDYuMTkg YXQgMTk6MTUsIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPiB3cm90ZToKPj4gT24gMDgvMDUv MjAxOSAxMzo0NiwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+PiBAQCAtMTEzMCw4ICsxMTMwLDEwIEBA IHN0YXRpYyB2b2lkIGlycV9ndWVzdF9lb2lfdGltZXJfZm4odm9pZAo+Pj4gICAgICAgICAgfQo+ Pj4gICAgICB9Cj4+PiAgCj4+PiAtICAgIGlmICggYWN0aW9uLT5pbl9mbGlnaHQgIT0gMCApCj4+ PiAtICAgICAgICBnb3RvIG91dDsKPj4+ICsgICAgaWYgKCBhY3Rpb24tPmluX2ZsaWdodCApCj4+ PiArICAgICAgICBwcmludGsoWEVOTE9HX0dfV0FSTklORwo+Pj4gKyAgICAgICAgICAgICAgICJJ UlElZDogJWQgaGFuZGxlcnMgc3RpbGwgaW4gZmxpZ2h0IGF0IGZvcmNlZCBFT0lcbiIsCj4+PiAr ICAgICAgICAgICAgICAgZGVzYy0+aXJxLCBhY3Rpb24tPmluX2ZsaWdodCk7Cj4+IEFGQUNJVCwg dGhpcyBjb25kaXRpb24gY2FuIGJlIHRyaWdnZXJlZCBieSBhIGJ1Z2d5L21hbGljaW91cyBndWVz dCwgYnkKPj4gaXQgc2ltcGx5IGlnbm9yaW5nIG9yIG1hc2tpbmcgdGhlIGxpbmUgaW50ZXJydXB0 IGF0IHRoZSB2SU8tQVBJQy4KPiBJIGRvbid0IHRoaW5rIGl0IGNhbiwgbm8uIE9yIGVsc2UgdGhl IEFTU0VSVF9VTlJFQUNIQUJMRSgpIGJlbG93Cj4gaGVyZSB3b3VsZCBiZSBpbnZhbGlkIHRvIGFk ZC4KCldoaWNoIEFTU0VSVF9VTlJFQUNIQUJMRSgpID/CoCBJIGtub3cgUm9nZXIgYXNrZWQgZm9y IG9uZSwgYnV0IEkgZG9uJ3QKc2VlIGl0IGFueXdoZXJlIGluIHRoZSBjb2RlLgoKPgo+PiBUaGUg bWVzc2FnZSB3b3VsZCBiZSBmYXIgbW9yZSB1c2VmdWwgaWYgaXQgaWRlbnRpZmllZCB0aGUgZG9t YWluIGluCj4+IHF1ZXN0aW9uLCB3aGljaCBsb29rcyBsaWtlIGl0IGNhbiBiZSBvYnRhaW5lZCBm cm9tIHRoZSBtaWRkbGUgb2YgdGhlIGxvb3AuCj4gVGhhdCB2ZXJ5IGxvb3AgaGFzIGp1c3QgdGFr ZW4gY2FyZSBvZiBkZWNyZW1lbnRpbmcgLT5pbl9mbGlnaHQgZm9yCj4gYWxsIHN1Y2ggZ3Vlc3Rz Lgo+Cj4gQWxzbyBub3RlIHRoYXQgdGhlcmUgY291bGQgYmUgbW9yZSB0aGFuIG9uZSBvZmZlbmRp bmcgZG9tYWluLCBmb3IKPiBzaGFyZWQgSVJRcy4gUGx1cyB0aGUgbG9vcCB5b3UncmUgcmVmZXJy aW5nIHRvIGNhbiBzcGVjaWZpY2FsbHkgX25vdF8KPiBiZSB1c2VkIGZvciBpZGVudGlmeWluZyB0 aGUgZG9tYWluKHMpLCBiZWNhdXNlIGZvciB0aGUgb25lcwo+IHByb2Nlc3NlZCB0aGVyZSB3ZSBf ZGlkXyBkZWNyZW1lbnQgLT5pbl9mbGlnaHQuIElmIHRoaXMgbWVzc2FnZQo+IGdldHMgbG9nZ2Vk LCB3ZSBzaW1wbHkgaGF2ZSBubyBpZGVhIHdoeSAtPmluX2ZsaWdodCBpcyBfc3RpbGxfIG5vbi0K PiB6ZXJvLiBUaGlzIGNvdWxkIGJlIGEgQlVHX09OKCksIGJ1dCBpdCBzZWVtcyBtb3JlIGluIGxp bmUgd2l0aCBvdXIKPiBnZW5lcmFsIGlkZWEgb2YgaG93IHdlIHdvdWxkIGxpa2UgdG8gZGVhbCB3 aXRoIHN1Y2ggY2FzZXMgdG8gdHJ5Cj4gYW5kIGtlZXAgdGhlIHN5c3RlbSBydW5uaW5nIGhlcmUg aW4gcmVsZWFzZSBidWlsZHMuCgpPayAtIGxldHMgZ28gd2l0aCB0aGlzIGZvciBub3cuwqAgSXQg aXMgYSBuZXQgaW1wcm92ZW1lbnQsIGFuZCB3ZSBjYW4KZXZhbHVhdGUgdGhlIGd1ZXN0LXRyaWdn ZXJhYmlsaXR5IGF0IGEgbGF0ZXIgcG9pbnQuCgpSZXZpZXdlZC1ieTogQW5kcmV3IENvb3BlciA8 YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3Rz LnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0 aW5mby94ZW4tZGV2ZWw=