From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3430BC04A6B for ; Wed, 8 May 2019 12:47:08 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0E79520644 for ; Wed, 8 May 2019 12:47:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0E79520644 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hOLyL-00049n-Va; Wed, 08 May 2019 12:46:57 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hOLyL-00049b-7a for xen-devel@lists.xenproject.org; Wed, 08 May 2019 12:46:57 +0000 X-Inumbo-ID: 5acb1aec-718f-11e9-8cfb-17e739a59b60 Received: from prv1-mh.provo.novell.com (unknown [137.65.248.33]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 5acb1aec-718f-11e9-8cfb-17e739a59b60; Wed, 08 May 2019 12:46:53 +0000 (UTC) Received: from INET-PRV1-MTA by prv1-mh.provo.novell.com with Novell_GroupWise; Wed, 08 May 2019 06:46:52 -0600 Message-Id: <5CD2CFBB020000780022CCC6@prv1-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 18.1.0 Date: Wed, 08 May 2019 06:46:51 -0600 From: "Jan Beulich" To: "xen-devel" References: <5CD2CDEC020000780022CC95@prv1-mh.provo.novell.com> In-Reply-To: <5CD2CDEC020000780022CC95@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Disposition: inline Subject: [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: Andrew Cooper , 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" Message-ID: <20190508124651.X0RKEqH2JvzhvnPwR3aNBwjPM02J03dbWUS1zVO1vxc@z> VGhlcmUncyBubyBwb2ludCBlbnRlcmluZyB0aGUgbG9vcCBpbiB0aGUgZnVuY3Rpb24gaW4gdGhp cyBjYXNlLiBJbnN0ZWFkCnRoZXJlIHN0aWxsIGJlaW5nIHNvbWV0aGluZyBpbiBmbGlnaHQgX2Fm dGVyXyB0aGUgbG9vcCB3b3VsZCBiZSBhbgphY3R1YWwgcHJvYmxlbTogTm8gdGltZXIgd291bGQg YmUgcnVubmluZyBhbnltb3JlIGZvciBpc3N1aW5nIHRoZSBFT0kKZXZlbnR1YWxseSwgYW5kIGhl bmNlIHRoaXMgSVJRIChhbmQgcG9zc2libHkgbG93ZXIgcHJpb3JpdHkgb25lcykgd291bGQKYmUg YmxvY2tlZCwgcGVyaGFwcyBpbmRlZmluaXRlbHkuCgpJc3N1ZSBhIHdhcm5pbmcgaW5zdGVhZCBh bmQgcHJlZmVyIGJyZWFraW5nIHNvbWUgKHByZXN1bWFibHkKbWlzYmVoYXZpbmcpIGd1ZXN0IG92 ZXIgc3RhbGxpbmcgcGVyaGFwcyB0aGUgZW50aXJlIHN5c3RlbS4KClNpZ25lZC1vZmYtYnk6IEph biBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KCi0tLSBhL3hlbi9hcmNoL3g4Ni9pcnEuYwor KysgYi94ZW4vYXJjaC94ODYvaXJxLmMKQEAgLTExMTUsNyArMTExNSw3IEBAIHN0YXRpYyB2b2lk IGlycV9ndWVzdF9lb2lfdGltZXJfZm4odm9pZAogCiAgICAgYWN0aW9uID0gKGlycV9ndWVzdF9h Y3Rpb25fdCAqKWRlc2MtPmFjdGlvbjsKIAotICAgIGlmICggdGltZXJfaXNfYWN0aXZlKCZhY3Rp b24tPmVvaV90aW1lcikgKQorICAgIGlmICggIWFjdGlvbi0+aW5fZmxpZ2h0IHx8IHRpbWVyX2lz X2FjdGl2ZSgmYWN0aW9uLT5lb2lfdGltZXIpICkKICAgICAgICAgZ290byBvdXQ7CiAKICAgICBp ZiAoIGFjdGlvbi0+YWNrX3R5cGUgIT0gQUNLVFlQRV9OT05FICkKQEAgLTExMzAsOCArMTEzMCwx MCBAQCBzdGF0aWMgdm9pZCBpcnFfZ3Vlc3RfZW9pX3RpbWVyX2ZuKHZvaWQKICAgICAgICAgfQog ICAgIH0KIAotICAgIGlmICggYWN0aW9uLT5pbl9mbGlnaHQgIT0gMCApCi0gICAgICAgIGdvdG8g b3V0OworICAgIGlmICggYWN0aW9uLT5pbl9mbGlnaHQgKQorICAgICAgICBwcmludGsoWEVOTE9H X0dfV0FSTklORworICAgICAgICAgICAgICAgIklSUSVkOiAlZCBoYW5kbGVycyBzdGlsbCBpbiBm bGlnaHQgYXQgZm9yY2VkIEVPSVxuIiwKKyAgICAgICAgICAgICAgIGRlc2MtPmlycSwgYWN0aW9u LT5pbl9mbGlnaHQpOwogCiAgICAgc3dpdGNoICggYWN0aW9uLT5hY2tfdHlwZSApCiAgICAgewoK CgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1k ZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8v bGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=