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=-14.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,MIME_BASE64_TEXT, SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 4709DC11F6C for ; Tue, 13 Jul 2021 16:19:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3372561249 for ; Tue, 13 Jul 2021 16:19:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231406AbhGMQWP (ORCPT ); Tue, 13 Jul 2021 12:22:15 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:40413 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231451AbhGMQWN (ORCPT ); Tue, 13 Jul 2021 12:22:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1626193162; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LkVbvILKBq40WaEmHLBRSgoHvH/vzwrA0dUxLC2cHSE=; b=h4NVAU573xF6cAzB8SuI9BaVEwASb+RKGKVCOETmsdML3QHe8s8FsGt4NzHrPAskGWAbK7 p8fBOY2ENmIXGh5LXEcHR3/Q2pQMNUxblg7UTRMj7xtCFTVlBsLWoZisZtYS98kQVPOoDu vG0qD+imlrDNaM7bcGWu3/VDOcl8h7E= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-522-kWE6OaooNECjV1bN-9szzQ-1; Tue, 13 Jul 2021 12:19:21 -0400 X-MC-Unique: kWE6OaooNECjV1bN-9szzQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CF48C1009444; Tue, 13 Jul 2021 16:19:19 +0000 (UTC) Received: from localhost (ovpn-112-172.ams2.redhat.com [10.36.112.172]) by smtp.corp.redhat.com (Postfix) with ESMTP id 713906091B; Tue, 13 Jul 2021 16:19:19 +0000 (UTC) From: Stefan Hajnoczi To: linux-kernel@vger.kernel.org Cc: Daniel Lezcano , Stefano Garzarella , Ming Lei , "Michael S . Tsirkin" , Marcelo Tosatti , Jens Axboe , Jason Wang , linux-block@vger.kernel.org, "Rafael J. Wysocki" , virtualization@lists.linux-foundation.org, linux-pm@vger.kernel.org, Christoph Hellwig , Stefan Hajnoczi Subject: [RFC 3/3] softirq: participate in cpuidle polling Date: Tue, 13 Jul 2021 17:19:06 +0100 Message-Id: <20210713161906.457857-4-stefanha@redhat.com> In-Reply-To: <20210713161906.457857-1-stefanha@redhat.com> References: <20210713161906.457857-1-stefanha@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: base64 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Tm9ybWFsbHkgc29mdGlycXMgYXJlIGludm9rZWQgd2hlbiBleGl0aW5nIGlycXMuIFdoZW4gcG9s bGluZyBpbiB0aGUKY3B1aWRsZSBkcml2ZXIgdGhlcmUgbWF5IGJlIG5vIGlycS4gVGhlcmVmb3Jl IHBlbmRpbmcgc29mdGlycXMgZ28KdW5ub3RpY2VkIGFuZCBwb2xsaW5nIGNvbnRpbnVlcyB3aXRo b3V0IGludm9raW5nIHRoZW0uCgpBZGQgYSBzb2Z0aXJxX3BvbGwoKSBmdW5jdGlvbiB0byBleHBs aWNpdGx5IGNoZWNrIGZvciBhbmQgaW52b2tlCnNvZnRpcnFzLgoKU2lnbmVkLW9mZi1ieTogU3Rl ZmFuIEhham5vY3ppIDxzdGVmYW5oYUByZWRoYXQuY29tPgotLS0KVGhpcyBjb21taXQgaXMgbm90 IG5lZWRlZCBmb3IgdmlydGlvLWJsay4gSSBhZGRlZCBpdCB3aGVuIEkgcmVhbGl6ZWQKdmlydGlv LW5ldCdzIE5BUEkgc2NoZWR1bGluZyBtaWdodCBub3QgYmUgZGV0ZWN0ZWQgYnkgdGhlIGNwdWlk bGUgYnVzeQp3YWl0IGxvb3AgYmVjYXVzZSBpdCBpcyB1bmF3YXJlIG9mIHNvZnRpcnFzLiBIb3dl dmVyLCBldmVuIGFmdGVyIGRvaW5nCnRoaXMgdmlydGlvLW5ldCdzIE5BUEkgcG9sbGluZyBkb2Vz bid0IGNvbWJpbmUgd2l0aCBjcHVpZGxlIGhhbHRwb2xsLgoKUGVyaGFwcyB0aGlzIHBhdGNoIGlz IHN0aWxsIGRlc2lyYWJsZSBmb3IgY3B1aWRsZSBwb2xsX3N0YXRlIGluIGNhc2UgYQpzb2Z0aXJx IGlzIHJhaXNlZD8KLS0tCiBpbmNsdWRlL2xpbnV4L2ludGVycnVwdC5oICAgICB8ICAyICsrCiBk cml2ZXJzL2NwdWlkbGUvcG9sbF9zb3VyY2UuYyB8ICAzICsrKwoga2VybmVsL3NvZnRpcnEuYyAg ICAgICAgICAgICAgfCAxNCArKysrKysrKysrKysrKwogMyBmaWxlcyBjaGFuZ2VkLCAxOSBpbnNl cnRpb25zKCspCgpkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC9pbnRlcnJ1cHQuaCBiL2luY2x1 ZGUvbGludXgvaW50ZXJydXB0LmgKaW5kZXggNDc3Nzg1MGE2ZGM3Li45YmZkY2M0NjZiYTggMTAw NjQ0Ci0tLSBhL2luY2x1ZGUvbGludXgvaW50ZXJydXB0LmgKKysrIGIvaW5jbHVkZS9saW51eC9p bnRlcnJ1cHQuaApAQCAtNTczLDYgKzU3Myw4IEBAIHN0cnVjdCBzb2Z0aXJxX2FjdGlvbgogYXNt bGlua2FnZSB2b2lkIGRvX3NvZnRpcnEodm9pZCk7CiBhc21saW5rYWdlIHZvaWQgX19kb19zb2Z0 aXJxKHZvaWQpOwogCitleHRlcm4gdm9pZCBzb2Z0aXJxX3BvbGwodm9pZCk7CisKIGV4dGVybiB2 b2lkIG9wZW5fc29mdGlycShpbnQgbnIsIHZvaWQgKCphY3Rpb24pKHN0cnVjdCBzb2Z0aXJxX2Fj dGlvbiAqKSk7CiBleHRlcm4gdm9pZCBzb2Z0aXJxX2luaXQodm9pZCk7CiBleHRlcm4gdm9pZCBf X3JhaXNlX3NvZnRpcnFfaXJxb2ZmKHVuc2lnbmVkIGludCBucik7CmRpZmYgLS1naXQgYS9kcml2 ZXJzL2NwdWlkbGUvcG9sbF9zb3VyY2UuYyBiL2RyaXZlcnMvY3B1aWRsZS9wb2xsX3NvdXJjZS5j CmluZGV4IDQ2MTAwZTVhNzFlNC4uZWQyMDBmZWIwZGFhIDEwMDY0NAotLS0gYS9kcml2ZXJzL2Nw dWlkbGUvcG9sbF9zb3VyY2UuYworKysgYi9kcml2ZXJzL2NwdWlkbGUvcG9sbF9zb3VyY2UuYwpA QCAtNiw2ICs2LDcgQEAKICNpbmNsdWRlIDxsaW51eC9sb2NrZGVwLmg+CiAjaW5jbHVkZSA8bGlu dXgvcGVyY3B1Lmg+CiAjaW5jbHVkZSA8bGludXgvcG9sbF9zb3VyY2UuaD4KKyNpbmNsdWRlIDxs aW51eC9pbnRlcnJ1cHQuaD4KIAogLyogVGhlIHBlci1jcHUgbGlzdCBvZiByZWdpc3RlcmVkIHBv bGwgc291cmNlcyAqLwogREVGSU5FX1BFUl9DUFUoc3RydWN0IGxpc3RfaGVhZCwgcG9sbF9zb3Vy Y2VfbGlzdCk7CkBAIC0yNiw2ICsyNyw4IEBAIHZvaWQgcG9sbF9zb3VyY2VfcnVuX29uY2Uodm9p ZCkKIAogCWxpc3RfZm9yX2VhY2hfZW50cnkoc3JjLCB0aGlzX2NwdV9wdHIoJnBvbGxfc291cmNl X2xpc3QpLCBub2RlKQogCQlzcmMtPm9wcy0+cG9sbChzcmMpOworCisJc29mdGlycV9wb2xsKCk7 CiB9CiAKIC8qIENhbGxlZCBmcm9tIGlkbGUgdGFzayB3aXRoIFRJRl9QT0xMSU5HX05SRkxBRyBz ZXQgYW5kIGlycXMgZW5hYmxlZCAqLwpkaWZmIC0tZ2l0IGEva2VybmVsL3NvZnRpcnEuYyBiL2tl cm5lbC9zb2Z0aXJxLmMKaW5kZXggNDk5Mjg1M2VmNTNkLi5mNDViZjAyMDQyMTggMTAwNjQ0Ci0t LSBhL2tlcm5lbC9zb2Z0aXJxLmMKKysrIGIva2VybmVsL3NvZnRpcnEuYwpAQCAtNjExLDYgKzYx MSwyMCBAQCB2b2lkIGlycV9lbnRlcih2b2lkKQogCWlycV9lbnRlcl9yY3UoKTsKIH0KIAorLyoq CisgKiBzb2Z0aXJxX3BvbGwoKSAtIGludm9rZSBwZW5kaW5nIHNvZnRpcnFzCisgKgorICogTm9y bWFsbHkgaXQgaXMgbm90IG5lY2Vzc2FyeSB0byBleHBsaWNpdGx5IHBvbGwgZm9yIHNvZnRpcnFz LCBidXQgaW4gdGhlCisgKiBjcHVpZGxlIGRyaXZlciBhIHBvbGxpbmcgZnVuY3Rpb24gbWF5IGhh dmUgcmFpc2VkIGEgc29mdGlycSB3aXRoIG5vIGlycSBleGl0CisgKiB0byBpbnZva2UgaXQuIFRo ZXJlZm9yZSBpdCBpcyBuZWNlc3NhcnkgdG8gcG9sbCBmb3IgcGVuZGluZyBzb2Z0aXJxcyBhbmQK KyAqIGludm9rZSB0aGVtIGV4cGxpY2l0bHkuCisgKi8KK3ZvaWQgc29mdGlycV9wb2xsKHZvaWQp Cit7CisJaWYgKCFpbl9pbnRlcnJ1cHQoKSAmJiBsb2NhbF9zb2Z0aXJxX3BlbmRpbmcoKSkKKwkJ aW52b2tlX3NvZnRpcnEoKTsKK30KKwogc3RhdGljIGlubGluZSB2b2lkIHRpY2tfaXJxX2V4aXQo dm9pZCkKIHsKICNpZmRlZiBDT05GSUdfTk9fSFpfQ09NTU9OCi0tIAoyLjMxLjEKCg==