From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: [PATCH] page-alloc: accompany BUG() with printk() Date: Wed, 15 May 2019 02:44:07 -0600 Message-ID: <5CDBD157020000780022F1EA@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 1hQpWE-0004nG-Q5 for xen-devel@lists.xenproject.org; Wed, 15 May 2019 08:44:10 +0000 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: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall List-Id: xen-devel@lists.xenproject.org TG9nIGluZm9ybWF0aW9uIGxpa2VseSByZWxldmFudCBmb3IgdW5kZXJzdGFuZGluZyB3aHkgdGhl IEJVRygpcyB3ZXJlCnRyaWdnZXJpbmcuCgpSZXF1ZXN0ZWQtYnk6IEFuZHJldyBDb29wZXIgPGFu ZHJldy5jb29wZXIzQGNpdHJpeC5jb20+ClNpZ25lZC1vZmYtYnk6IEphbiBCZXVsaWNoIDxqYmV1 bGljaEBzdXNlLmNvbT4KCi0tLSBhL3hlbi9jb21tb24vcGFnZV9hbGxvYy5jCisrKyBiL3hlbi9j b21tb24vcGFnZV9hbGxvYy5jCkBAIC05ODQsNyArOTg0LDE1IEBAIHN0YXRpYyBzdHJ1Y3QgcGFn ZV9pbmZvICphbGxvY19oZWFwX3BhZ2UKICAgICBmb3IgKCBpID0gMDsgaSA8ICgxIDw8IG9yZGVy KTsgaSsrICkKICAgICB7CiAgICAgICAgIC8qIFJlZmVyZW5jZSBjb3VudCBtdXN0IGNvbnRpbnVv dXNseSBiZSB6ZXJvIGZvciBmcmVlIHBhZ2VzLiAqLwotICAgICAgICBCVUdfT04oKHBnW2ldLmNv dW50X2luZm8gJiB+UEdDX25lZWRfc2NydWIpICE9IFBHQ19zdGF0ZV9mcmVlKTsKKyAgICAgICAg aWYgKCAocGdbaV0uY291bnRfaW5mbyAmIH5QR0NfbmVlZF9zY3J1YikgIT0gUEdDX3N0YXRlX2Zy ZWUgKQorICAgICAgICB7CisgICAgICAgICAgICBwcmludGsoWEVOTE9HX0VSUgorICAgICAgICAg ICAgICAgICAgICJwZ1sldV0gTUZOICUiUFJJX21mbiIgYz0lI2x4IG89JXUgdj0lI2x4IHQ9JSN4 XG4iLAorICAgICAgICAgICAgICAgICAgIGksIG1mbl94KHBhZ2VfdG9fbWZuKHBnICsgaSkpLAor ICAgICAgICAgICAgICAgICAgIHBnW2ldLmNvdW50X2luZm8sIHBnW2ldLnYuZnJlZS5vcmRlciwK KyAgICAgICAgICAgICAgICAgICBwZ1tpXS51LmZyZWUudmFsLCBwZ1tpXS50bGJmbHVzaF90aW1l c3RhbXApOworICAgICAgICAgICAgQlVHKCk7CisgICAgICAgIH0KIAogICAgICAgICAvKiBQR0Nf bmVlZF9zY3J1YiBjYW4gb25seSBiZSBzZXQgaWYgZmlyc3RfZGlydHkgaXMgdmFsaWQgKi8KICAg ICAgICAgQVNTRVJUKGZpcnN0X2RpcnR5ICE9IElOVkFMSURfRElSVFlfSURYIHx8ICEocGdbaV0u Y291bnRfaW5mbyAmIFBHQ19uZWVkX3NjcnViKSk7CkBAIC0xMzkzLDYgKzE0MDEsMTEgQEAgc3Rh dGljIHZvaWQgZnJlZV9oZWFwX3BhZ2VzKAogICAgICAgICAgICAgYnJlYWs7CiAKICAgICAgICAg ZGVmYXVsdDoKKyAgICAgICAgICAgIHByaW50ayhYRU5MT0dfRVJSCisgICAgICAgICAgICAgICAg ICAgInBnWyV1XSBNRk4gJSJQUklfbWZuIiBjPSUjbHggbz0ldSB2PSUjbHggdD0lI3hcbiIsCisg ICAgICAgICAgICAgICAgICAgaSwgbWZuX3gocGFnZV90b19tZm4ocGcgKyBpKSksCisgICAgICAg ICAgICAgICAgICAgcGdbaV0uY291bnRfaW5mbywgcGdbaV0udi5mcmVlLm9yZGVyLAorICAgICAg ICAgICAgICAgICAgIHBnW2ldLnUuZnJlZS52YWwsIHBnW2ldLnRsYmZsdXNoX3RpbWVzdGFtcCk7 CiAgICAgICAgICAgICBCVUcoKTsKICAgICAgICAgfQogCkBAIC0yMzM2LDcgKzIzNDksMTUgQEAg dm9pZCBmcmVlX2RvbWhlYXBfcGFnZXMoc3RydWN0IHBhZ2VfaW5mbwogCiAgICAgICAgICAgICBm b3IgKCBpID0gMDsgaSA8ICgxIDw8IG9yZGVyKTsgaSsrICkKICAgICAgICAgICAgIHsKLSAgICAg ICAgICAgICAgICBCVUdfT04oKHBnW2ldLnUuaW51c2UudHlwZV9pbmZvICYgUEdUX2NvdW50X21h c2spICE9IDApOworICAgICAgICAgICAgICAgIGlmICggcGdbaV0udS5pbnVzZS50eXBlX2luZm8g JiBQR1RfY291bnRfbWFzayApCisgICAgICAgICAgICAgICAgeworICAgICAgICAgICAgICAgICAg ICBwcmludGsoWEVOTE9HX0VSUgorICAgICAgICAgICAgICAgICAgICAgICAgICAgInBnWyV1XSBN Rk4gJSJQUklfbWZuIiBjPSUjbHggbz0ldSB2PSUjbHggdD0lI3hcbiIsCisgICAgICAgICAgICAg ICAgICAgICAgICAgICBpLCBtZm5feChwYWdlX3RvX21mbihwZyArIGkpKSwKKyAgICAgICAgICAg ICAgICAgICAgICAgICAgIHBnW2ldLmNvdW50X2luZm8sIHBnW2ldLnYuZnJlZS5vcmRlciwKKyAg ICAgICAgICAgICAgICAgICAgICAgICAgIHBnW2ldLnUuZnJlZS52YWwsIHBnW2ldLnRsYmZsdXNo X3RpbWVzdGFtcCk7CisgICAgICAgICAgICAgICAgICAgIEJVRygpOworICAgICAgICAgICAgICAg IH0KICAgICAgICAgICAgICAgICBhcmNoX2ZyZWVfaGVhcF9wYWdlKGQsICZwZ1tpXSk7CiAgICAg ICAgICAgICB9CiAKCgoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0 Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRl dmVs 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 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 A3317C04E53 for ; Wed, 15 May 2019 08:44:36 +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 7E96D2089E for ; Wed, 15 May 2019 08:44:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7E96D2089E 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 1hQpWF-0004o9-VB; Wed, 15 May 2019 08:44:11 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1hQpWE-0004nG-Q5 for xen-devel@lists.xenproject.org; Wed, 15 May 2019 08:44:10 +0000 X-Inumbo-ID: 9aaa0f73-76ed-11e9-8980-bc764e045a96 Received: from prv1-mh.provo.novell.com (unknown [137.65.248.33]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 9aaa0f73-76ed-11e9-8980-bc764e045a96; Wed, 15 May 2019 08:44:08 +0000 (UTC) Received: from INET-PRV1-MTA by prv1-mh.provo.novell.com with Novell_GroupWise; Wed, 15 May 2019 02:44:07 -0600 Message-Id: <5CDBD157020000780022F1EA@prv1-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 18.1.0 Date: Wed, 15 May 2019 02:44:07 -0600 From: "Jan Beulich" To: "xen-devel" Mime-Version: 1.0 Content-Disposition: inline Subject: [Xen-devel] [PATCH] page-alloc: accompany BUG() with printk() 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: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Message-ID: <20190515084407.7v94vOdQmdcB_4qDN9pNH7ZqeZua0ppdEgfNJD5TNyY@z> TG9nIGluZm9ybWF0aW9uIGxpa2VseSByZWxldmFudCBmb3IgdW5kZXJzdGFuZGluZyB3aHkgdGhl IEJVRygpcyB3ZXJlCnRyaWdnZXJpbmcuCgpSZXF1ZXN0ZWQtYnk6IEFuZHJldyBDb29wZXIgPGFu ZHJldy5jb29wZXIzQGNpdHJpeC5jb20+ClNpZ25lZC1vZmYtYnk6IEphbiBCZXVsaWNoIDxqYmV1 bGljaEBzdXNlLmNvbT4KCi0tLSBhL3hlbi9jb21tb24vcGFnZV9hbGxvYy5jCisrKyBiL3hlbi9j b21tb24vcGFnZV9hbGxvYy5jCkBAIC05ODQsNyArOTg0LDE1IEBAIHN0YXRpYyBzdHJ1Y3QgcGFn ZV9pbmZvICphbGxvY19oZWFwX3BhZ2UKICAgICBmb3IgKCBpID0gMDsgaSA8ICgxIDw8IG9yZGVy KTsgaSsrICkKICAgICB7CiAgICAgICAgIC8qIFJlZmVyZW5jZSBjb3VudCBtdXN0IGNvbnRpbnVv dXNseSBiZSB6ZXJvIGZvciBmcmVlIHBhZ2VzLiAqLwotICAgICAgICBCVUdfT04oKHBnW2ldLmNv dW50X2luZm8gJiB+UEdDX25lZWRfc2NydWIpICE9IFBHQ19zdGF0ZV9mcmVlKTsKKyAgICAgICAg aWYgKCAocGdbaV0uY291bnRfaW5mbyAmIH5QR0NfbmVlZF9zY3J1YikgIT0gUEdDX3N0YXRlX2Zy ZWUgKQorICAgICAgICB7CisgICAgICAgICAgICBwcmludGsoWEVOTE9HX0VSUgorICAgICAgICAg ICAgICAgICAgICJwZ1sldV0gTUZOICUiUFJJX21mbiIgYz0lI2x4IG89JXUgdj0lI2x4IHQ9JSN4 XG4iLAorICAgICAgICAgICAgICAgICAgIGksIG1mbl94KHBhZ2VfdG9fbWZuKHBnICsgaSkpLAor ICAgICAgICAgICAgICAgICAgIHBnW2ldLmNvdW50X2luZm8sIHBnW2ldLnYuZnJlZS5vcmRlciwK KyAgICAgICAgICAgICAgICAgICBwZ1tpXS51LmZyZWUudmFsLCBwZ1tpXS50bGJmbHVzaF90aW1l c3RhbXApOworICAgICAgICAgICAgQlVHKCk7CisgICAgICAgIH0KIAogICAgICAgICAvKiBQR0Nf bmVlZF9zY3J1YiBjYW4gb25seSBiZSBzZXQgaWYgZmlyc3RfZGlydHkgaXMgdmFsaWQgKi8KICAg ICAgICAgQVNTRVJUKGZpcnN0X2RpcnR5ICE9IElOVkFMSURfRElSVFlfSURYIHx8ICEocGdbaV0u Y291bnRfaW5mbyAmIFBHQ19uZWVkX3NjcnViKSk7CkBAIC0xMzkzLDYgKzE0MDEsMTEgQEAgc3Rh dGljIHZvaWQgZnJlZV9oZWFwX3BhZ2VzKAogICAgICAgICAgICAgYnJlYWs7CiAKICAgICAgICAg ZGVmYXVsdDoKKyAgICAgICAgICAgIHByaW50ayhYRU5MT0dfRVJSCisgICAgICAgICAgICAgICAg ICAgInBnWyV1XSBNRk4gJSJQUklfbWZuIiBjPSUjbHggbz0ldSB2PSUjbHggdD0lI3hcbiIsCisg ICAgICAgICAgICAgICAgICAgaSwgbWZuX3gocGFnZV90b19tZm4ocGcgKyBpKSksCisgICAgICAg ICAgICAgICAgICAgcGdbaV0uY291bnRfaW5mbywgcGdbaV0udi5mcmVlLm9yZGVyLAorICAgICAg ICAgICAgICAgICAgIHBnW2ldLnUuZnJlZS52YWwsIHBnW2ldLnRsYmZsdXNoX3RpbWVzdGFtcCk7 CiAgICAgICAgICAgICBCVUcoKTsKICAgICAgICAgfQogCkBAIC0yMzM2LDcgKzIzNDksMTUgQEAg dm9pZCBmcmVlX2RvbWhlYXBfcGFnZXMoc3RydWN0IHBhZ2VfaW5mbwogCiAgICAgICAgICAgICBm b3IgKCBpID0gMDsgaSA8ICgxIDw8IG9yZGVyKTsgaSsrICkKICAgICAgICAgICAgIHsKLSAgICAg ICAgICAgICAgICBCVUdfT04oKHBnW2ldLnUuaW51c2UudHlwZV9pbmZvICYgUEdUX2NvdW50X21h c2spICE9IDApOworICAgICAgICAgICAgICAgIGlmICggcGdbaV0udS5pbnVzZS50eXBlX2luZm8g JiBQR1RfY291bnRfbWFzayApCisgICAgICAgICAgICAgICAgeworICAgICAgICAgICAgICAgICAg ICBwcmludGsoWEVOTE9HX0VSUgorICAgICAgICAgICAgICAgICAgICAgICAgICAgInBnWyV1XSBN Rk4gJSJQUklfbWZuIiBjPSUjbHggbz0ldSB2PSUjbHggdD0lI3hcbiIsCisgICAgICAgICAgICAg ICAgICAgICAgICAgICBpLCBtZm5feChwYWdlX3RvX21mbihwZyArIGkpKSwKKyAgICAgICAgICAg ICAgICAgICAgICAgICAgIHBnW2ldLmNvdW50X2luZm8sIHBnW2ldLnYuZnJlZS5vcmRlciwKKyAg ICAgICAgICAgICAgICAgICAgICAgICAgIHBnW2ldLnUuZnJlZS52YWwsIHBnW2ldLnRsYmZsdXNo X3RpbWVzdGFtcCk7CisgICAgICAgICAgICAgICAgICAgIEJVRygpOworICAgICAgICAgICAgICAg IH0KICAgICAgICAgICAgICAgICBhcmNoX2ZyZWVfaGVhcF9wYWdlKGQsICZwZ1tpXSk7CiAgICAg ICAgICAgICB9CiAKCgoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0 Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRl dmVs