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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5592CC64EC4 for ; Tue, 7 Feb 2023 14:03:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231373AbjBGOD0 (ORCPT ); Tue, 7 Feb 2023 09:03:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230194AbjBGODX (ORCPT ); Tue, 7 Feb 2023 09:03:23 -0500 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07ACF44B6; Tue, 7 Feb 2023 06:03:20 -0800 (PST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 9774938B13; Tue, 7 Feb 2023 14:03:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1675778599; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=aqWjYHqVE8IvaN3952TdpK0BSSvIahWB7+QeuDQju0E=; b=Z+sNqKMBUcr9PbS8JeE5I2eNwQCHKlA7YsRnX1vfF9u9qVANR71qfA6hfqriiyCLd+A2Er 7w/L+SecSxDsWrc9hzFu3BvqbVocAAFx2nOjyaMPiYKyFPRgoFrUSKvuu2VGQyq6qSezaO 59vLyZ33Nzgx+F2rcVJL5N1Xtxok7JM= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 15351139ED; Tue, 7 Feb 2023 14:03:19 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id E93JAyda4mNlAwAAMHmgww (envelope-from ); Tue, 07 Feb 2023 14:03:19 +0000 Message-ID: Date: Tue, 7 Feb 2023 15:03:18 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Content-Language: en-US To: Dan Carpenter , xen-devel@lists.xenproject.org Cc: Julia Lawall , Luis Chamberlain , Linus Torvalds , Hongchen Zhang , Alexander Viro , Andrew Morton , "Christian Brauner (Microsoft)" , David Howells , Mauro Carvalho Chehab , Eric Dumazet , "Fabio M. De Francesco" , Christophe JAILLET , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, maobibo , Matthew Wilcox , Sedat Dilek References: <20230129060452.7380-1-zhanghongchen@loongson.cn> <4ffbb0c8-c5d0-73b3-7a4e-2da9a7b03669@inria.fr> From: Juergen Gross Subject: Re: xen: sleeping in atomic warnings In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------8Cy4GAJEf0mO30TJKVjHugHL" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------8Cy4GAJEf0mO30TJKVjHugHL Content-Type: multipart/mixed; boundary="------------ISvi0mubQ4jvNED1SOA4tE7c"; protected-headers="v1" From: Juergen Gross To: Dan Carpenter , xen-devel@lists.xenproject.org Cc: Julia Lawall , Luis Chamberlain , Linus Torvalds , Hongchen Zhang , Alexander Viro , Andrew Morton , "Christian Brauner (Microsoft)" , David Howells , Mauro Carvalho Chehab , Eric Dumazet , "Fabio M. De Francesco" , Christophe JAILLET , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, maobibo , Matthew Wilcox , Sedat Dilek Message-ID: Subject: Re: xen: sleeping in atomic warnings References: <20230129060452.7380-1-zhanghongchen@loongson.cn> <4ffbb0c8-c5d0-73b3-7a4e-2da9a7b03669@inria.fr> In-Reply-To: --------------ISvi0mubQ4jvNED1SOA4tE7c Content-Type: multipart/mixed; boundary="------------iyE4cjBPZ5UxfPZspDcYBu0a" --------------iyE4cjBPZ5UxfPZspDcYBu0a Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMDcuMDIuMjMgMTQ6MzcsIERhbiBDYXJwZW50ZXIgd3JvdGU6DQo+IFRoZXNlIGFyZSBz dGF0aWMgY2hlY2tlciB3YXJuaW5ncyBmcm9tIFNtYXRjaC4gIFRoZSBsaW5lIG51bWJlcnMg YXJlDQo+IGJhc2VkIG9uIG5leHQtMjAyMzAyMDcuICBUbyByZXByb2R1Y2UgdGhlc2Ugd2Fy bmluZ3MgdGhlbiB5b3UgbmVlZCB0bw0KPiBoYXZlIHRoZSBsYXRlc3QgU21hdGNoIGZyb20g Z2l0IGFuZCB5b3UgbmVlZCB0byByZWJ1aWxkIHRoZSBjcm9zcw0KPiBmdW5jdGlvbiBwcm9i YWJseSBmb3VyIHRpbWVzLiAgSSBoYXZlIHJldmlld2VkIG1vc3Qgb2YgdGhlc2UgYW5kIHRo ZXkNCj4gYWxsIHNlZW0gdmFsaWQgdG8gbWUuICBJIHJlbWVtYmVyIEkgcmVwb3J0ZWQgc29t ZSBhIHdoaWxlIGJhY2sgYnV0IG5ldmVyDQo+IGhlYXJkIGJhY2suICBodHRwczovL2xvcmUu a2VybmVsLm9yZy9hbGwvMjAyMTA4MDIxNDQwMzcuR0EyOTU0MEBraWxpLw0KPiANCj4gcmVn YXJkcywNCj4gZGFuIGNhcnBlbnRlcg0KPiANCj4gYXJjaC94ODYveGVuL3AybS5jOjE4OSBh bGxvY19wMm1fcGFnZSgpIHdhcm46IHNsZWVwaW5nIGluIGF0b21pYyBjb250ZXh0DQo+IHhl bl9jcmVhdGVfY29udGlndW91c19yZWdpb24oKSA8LSBkaXNhYmxlcyBwcmVlbXB0DQo+IHhl bl9kZXN0cm95X2NvbnRpZ3VvdXNfcmVnaW9uKCkgPC0gZGlzYWJsZXMgcHJlZW1wdA0KPiAt PiB4ZW5fcmVtYXBfZXhjaGFuZ2VkX3B0ZXMoKQ0KPiAgICAgLT4gc2V0X3BoeXNfdG9fbWFj aGluZSgpDQo+ICAgICAgICAtPiB4ZW5fYWxsb2NfcDJtX2VudHJ5KCkNCj4gICAgICAgICAg IC0+IGFsbG9jX3AybV9wbWQoKQ0KPiB4ZW5fYWxsb2NfcDJtX2VudHJ5KCkgPGR1cGxpY2F0 ZT4NCj4gICAgICAgICAgICAgIC0+IGFsbG9jX3AybV9wYWdlKCkNCg0KVGhvc2UgYWxsb2Nh dGlvbnMgY2FuJ3QgYmUgcmVhY2hlZCBhZnRlciBlYXJseSBib290Lg0KDQo+IGRyaXZlcnMv eGVuL2V2ZW50cy9ldmVudHNfYmFzZS5jOjEyMTMgYmluZF9ldnRjaG5fdG9faXJxX2NoaXAo KSB3YXJuOiBzbGVlcGluZyBpbiBhdG9taWMgY29udGV4dA0KPiBwdmNhbGxzX2Zyb250X2Nv bm5lY3QoKSA8LSBkaXNhYmxlcyBwcmVlbXB0DQo+IHB2Y2FsbHNfZnJvbnRfYWNjZXB0KCkg PC0gZGlzYWJsZXMgcHJlZW1wdA0KPiAtPiBjcmVhdGVfYWN0aXZlKCkNCj4gICAgIC0+IGJp bmRfZXZ0Y2huX3RvX2lycWhhbmRsZXIoKQ0KPiAgICAgICAgLT4gYmluZF9ldnRjaG5fdG9f aXJxaGFuZGxlcl9jaGlwKCkNCj4gICAgICAgICAgIC0+IGJpbmRfZXZ0Y2huX3RvX2lycV9j aGlwKCkNCg0KWWVzLCB0aGF0IG9uZSBsb29rcyB2ZXJ5IHN1c3BpY2lvdXMuIEJhc2ljYWxs eSB0aGUgc2FtZSBwcm9ibGVtIGFzIGFsbA0KdGhlIG90aGVyIHB2Y2FsbHMgaXNzdWVzIGJl bG93Lg0KDQo+IGRyaXZlcnMvbmV0L2V0aGVybmV0L3Fsb2dpYy9uZXR4ZW4vbmV0eGVuX25p Y19ody5jOjMwMyBuZXR4ZW5fcGNpZV9zZW1fbG9jaygpIHdhcm46IHNsZWVwaW5nIGluIGF0 b21pYyBjb250ZXh0DQo+IG5ldHhlbl9uaWNfaHdfd3JpdGVfd3hfMk0oKSA8LSBkaXNhYmxl cyBwcmVlbXB0DQo+IG5ldHhlbl9uaWNfaHdfcmVhZF93eF8yTSgpIDwtIGRpc2FibGVzIHBy ZWVtcHQNCj4gLT4gbmV0eGVuX3BjaWVfc2VtX2xvY2soKQ0KDQpUaGlzIGlzIG5vdCBYZW4g cmVsYXRlZC4NCg0KPiBkcml2ZXJzL3hlbi94ZW4tcGNpYmFjay9wY2lfc3R1Yi5jOjExMCBw Y2lzdHViX2RldmljZV9yZWxlYXNlKCkgd2Fybjogc2xlZXBpbmcgaW4gYXRvbWljIGNvbnRl eHQNCj4gcGNpc3R1Yl9nZXRfcGNpX2Rldl9ieV9zbG90KCkgPC0gZGlzYWJsZXMgcHJlZW1w dA0KPiBwY2lzdHViX2dldF9wY2lfZGV2KCkgPC0gZGlzYWJsZXMgcHJlZW1wdA0KPiAtPiBw Y2lzdHViX2RldmljZV9nZXRfcGNpX2RldigpDQo+ICAgICAtPiBwY2lzdHViX2RldmljZV9w dXQoKQ0KPiAgICAgICAgLT4gcGNpc3R1Yl9kZXZpY2VfcmVsZWFzZSgpDQoNClNlZW1zIHRv cCBiZSBwcm9ibGVtYXRpYywgdG9vLg0KDQo+IGRyaXZlcnMveGVuL3hlbi1zY3NpYmFjay5j OjEwMTYgX19zY3NpYmFja19kZWxfdHJhbnNsYXRpb25fZW50cnkoKSB3YXJuOiBzbGVlcGlu ZyBpbiBhdG9taWMgY29udGV4dA0KPiBzY3NpYmFja19kZWxfdHJhbnNsYXRpb25fZW50cnko KSA8LSBkaXNhYmxlcyBwcmVlbXB0DQo+IHNjc2liYWNrX3JlbGVhc2VfdHJhbnNsYXRpb25f ZW50cnkoKSA8LSBkaXNhYmxlcyBwcmVlbXB0DQo+IC0+IF9fc2NzaWJhY2tfZGVsX3RyYW5z bGF0aW9uX2VudHJ5KCkNCg0KTmVlZHMgZml4aW5nIChzYW1lIGZpeCBhcyB0aGUgb3RoZXIg c2NzaWJhY2sgaXNzdWUpLg0KDQpUaGFua3MgZm9yIHRoZSByZXBvcnRzLA0KDQoNCkp1ZXJn ZW4NCg== --------------iyE4cjBPZ5UxfPZspDcYBu0a Content-Type: application/pgp-keys; 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