From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: [PATCH 3/4] x86/IRQ: relax locking in irq_guest_eoi_timer_fn() Date: Wed, 08 May 2019 06:47:34 -0600 Message-ID: <5CD2CFE6020000780022CCC9@prv1-mh.provo.novell.com> References: <5CD2CDEC020000780022CC95@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hOLyy-0004HL-IL for xen-devel@lists.xenproject.org; Wed, 08 May 2019 12:47:36 +0000 In-Reply-To: <5CD2CDEC020000780022CC95@prv1-mh.provo.novell.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel Cc: Andrew Cooper , Wei Liu , Roger Pau Monne List-Id: xen-devel@lists.xenproject.org VGhpcyBpcyBhIHRpbWVyIGhhbmRsZXIsIHNvIGl0IGdldHMgZW50ZXJlZCB3aXRoIElSUXMgZW5h YmxlZC4gVGhlcmVmb3JlCnRoZXJlJ3Mgbm8gbmVlZCB0byBzYXZlL3Jlc3RvcmUgdGhlIElSUSBt YXNraW5nIGZsYWcuCgpBZGRpdGlvbmFsbHkgdGhlIGZpbmFsIHN3aXRjaCgpJ2VzIEFDS1RZUEVf RU9JIGNhc2UgcmUtYWNxdWlyZXMgdGhlIGxvY2sKanVzdCBmb3IgaXQgdG8gYmUgZHJvcHBlZCBh Z2FpbiByaWdodCBhd2F5LiBEbyBhd2F5IHdpdGggdGhpcy4KClNpZ25lZC1vZmYtYnk6IEphbiBC ZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KCi0tLSBhL3hlbi9hcmNoL3g4Ni9pcnEuYworKysg Yi94ZW4vYXJjaC94ODYvaXJxLmMKQEAgLTExMDYsOSArMTEwNiw4IEBAIHN0YXRpYyB2b2lkIGly cV9ndWVzdF9lb2lfdGltZXJfZm4odm9pZAogICAgIHVuc2lnbmVkIGludCBpcnEgPSBkZXNjIC0g aXJxX2Rlc2M7CiAgICAgaXJxX2d1ZXN0X2FjdGlvbl90ICphY3Rpb247CiAgICAgY3B1bWFza190 IGNwdV9lb2lfbWFwOwotICAgIHVuc2lnbmVkIGxvbmcgZmxhZ3M7CiAKLSAgICBzcGluX2xvY2tf aXJxc2F2ZSgmZGVzYy0+bG9jaywgZmxhZ3MpOworICAgIHNwaW5fbG9ja19pcnEoJmRlc2MtPmxv Y2spOwogICAgIAogICAgIGlmICggIShkZXNjLT5zdGF0dXMgJiBJUlFfR1VFU1QpICkKICAgICAg ICAgZ290byBvdXQ7CkBAIC0xMTQ1LDEyICsxMTQ0LDExIEBAIHN0YXRpYyB2b2lkIGlycV9ndWVz dF9lb2lfdGltZXJfZm4odm9pZAogICAgICAgICBjcHVtYXNrX2NvcHkoJmNwdV9lb2lfbWFwLCBh Y3Rpb24tPmNwdV9lb2lfbWFwKTsKICAgICAgICAgc3Bpbl91bmxvY2tfaXJxKCZkZXNjLT5sb2Nr KTsKICAgICAgICAgb25fc2VsZWN0ZWRfY3B1cygmY3B1X2VvaV9tYXAsIHNldF9lb2lfcmVhZHks IGRlc2MsIDApOwotICAgICAgICBzcGluX2xvY2tfaXJxKCZkZXNjLT5sb2NrKTsKLSAgICAgICAg YnJlYWs7CisgICAgICAgIHJldHVybjsKICAgICB9CiAKICBvdXQ6Ci0gICAgc3Bpbl91bmxvY2tf aXJxcmVzdG9yZSgmZGVzYy0+bG9jaywgZmxhZ3MpOworICAgIHNwaW5fdW5sb2NrX2lycSgmZGVz Yy0+bG9jayk7CiB9CiAKIHN0YXRpYyB2b2lkIF9fZG9fSVJRX2d1ZXN0KGludCBpcnEpCgoKCgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA== 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 741ABC04A6B for ; 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Wed, 08 May 2019 12:47:35 +0000 (UTC) Received: from INET-PRV1-MTA by prv1-mh.provo.novell.com with Novell_GroupWise; Wed, 08 May 2019 06:47:35 -0600 Message-Id: <5CD2CFE6020000780022CCC9@prv1-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 18.1.0 Date: Wed, 08 May 2019 06:47:34 -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 3/4] x86/IRQ: relax locking in irq_guest_eoi_timer_fn() 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: <20190508124734.Xd2yXHyJDs_SieiUkQhLV9au7IMTDvi2bQifl3_2yTU@z> VGhpcyBpcyBhIHRpbWVyIGhhbmRsZXIsIHNvIGl0IGdldHMgZW50ZXJlZCB3aXRoIElSUXMgZW5h YmxlZC4gVGhlcmVmb3JlCnRoZXJlJ3Mgbm8gbmVlZCB0byBzYXZlL3Jlc3RvcmUgdGhlIElSUSBt YXNraW5nIGZsYWcuCgpBZGRpdGlvbmFsbHkgdGhlIGZpbmFsIHN3aXRjaCgpJ2VzIEFDS1RZUEVf RU9JIGNhc2UgcmUtYWNxdWlyZXMgdGhlIGxvY2sKanVzdCBmb3IgaXQgdG8gYmUgZHJvcHBlZCBh Z2FpbiByaWdodCBhd2F5LiBEbyBhd2F5IHdpdGggdGhpcy4KClNpZ25lZC1vZmYtYnk6IEphbiBC ZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KCi0tLSBhL3hlbi9hcmNoL3g4Ni9pcnEuYworKysg Yi94ZW4vYXJjaC94ODYvaXJxLmMKQEAgLTExMDYsOSArMTEwNiw4IEBAIHN0YXRpYyB2b2lkIGly cV9ndWVzdF9lb2lfdGltZXJfZm4odm9pZAogICAgIHVuc2lnbmVkIGludCBpcnEgPSBkZXNjIC0g aXJxX2Rlc2M7CiAgICAgaXJxX2d1ZXN0X2FjdGlvbl90ICphY3Rpb247CiAgICAgY3B1bWFza190 IGNwdV9lb2lfbWFwOwotICAgIHVuc2lnbmVkIGxvbmcgZmxhZ3M7CiAKLSAgICBzcGluX2xvY2tf aXJxc2F2ZSgmZGVzYy0+bG9jaywgZmxhZ3MpOworICAgIHNwaW5fbG9ja19pcnEoJmRlc2MtPmxv Y2spOwogICAgIAogICAgIGlmICggIShkZXNjLT5zdGF0dXMgJiBJUlFfR1VFU1QpICkKICAgICAg ICAgZ290byBvdXQ7CkBAIC0xMTQ1LDEyICsxMTQ0LDExIEBAIHN0YXRpYyB2b2lkIGlycV9ndWVz dF9lb2lfdGltZXJfZm4odm9pZAogICAgICAgICBjcHVtYXNrX2NvcHkoJmNwdV9lb2lfbWFwLCBh Y3Rpb24tPmNwdV9lb2lfbWFwKTsKICAgICAgICAgc3Bpbl91bmxvY2tfaXJxKCZkZXNjLT5sb2Nr KTsKICAgICAgICAgb25fc2VsZWN0ZWRfY3B1cygmY3B1X2VvaV9tYXAsIHNldF9lb2lfcmVhZHks IGRlc2MsIDApOwotICAgICAgICBzcGluX2xvY2tfaXJxKCZkZXNjLT5sb2NrKTsKLSAgICAgICAg YnJlYWs7CisgICAgICAgIHJldHVybjsKICAgICB9CiAKICBvdXQ6Ci0gICAgc3Bpbl91bmxvY2tf aXJxcmVzdG9yZSgmZGVzYy0+bG9jaywgZmxhZ3MpOworICAgIHNwaW5fdW5sb2NrX2lycSgmZGVz Yy0+bG9jayk7CiB9CiAKIHN0YXRpYyB2b2lkIF9fZG9fSVJRX2d1ZXN0KGludCBpcnEpCgoKCgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==