From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Pau =?utf-8?B?TW9ubsOp?= Subject: Re: [PATCH v3 13/15] x86/IRQ: tighten vector checks Date: Mon, 20 May 2019 16:04:49 +0200 Message-ID: <20190520140449.5ihqctltaeiegqiz@Air-de-Roger> References: <5CC6DD090200007800229E80@prv1-mh.provo.novell.com> <5CDE8F5B020000780023005F@prv1-mh.provo.novell.com> <5CDE927002000078002300BA@prv1-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: 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 1hSiuV-0004p8-0C for xen-devel@lists.xenproject.org; Mon, 20 May 2019 14:05:03 +0000 Content-Disposition: inline In-Reply-To: <5CDE927002000078002300BA@prv1-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jan Beulich Cc: xen-devel , Wei Liu , Andrew Cooper List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBNYXkgMTcsIDIwMTkgYXQgMDQ6NTI6MzJBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gVXNlIHZhbGlkX2lycV92ZWN0b3IoKSByYXRoZXIgdGhhbiAiPiAwIi4KPiAKPiBBbHNv IHJlcGxhY2UgYW4gb3Blbi1jb2RlZCB1c2Ugb2YgSVJRX1ZFQ1RPUl9VTkFTU0lHTkVELgo+IAo+ IFNpZ25lZC1vZmYtYnk6IEphbiBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KClJldmlld2Vk LWJ5OiBSb2dlciBQYXUgTW9ubsOpIDxyb2dlci5wYXVAY2l0cml4LmNvbT4KClRoZSBxdWVzdGlv biBJIGhhdmUgYmVsb3cgaXMgbm90IGRpcmVjdGx5IHJlbGF0ZWQgdG8gdGhlIHVzYWdlIG9mCnZh bGlkX2lycV92ZWN0b3IsIGJ1dCByYXRoZXIgd2l0aCB0aGUgZXhpc3RpbmcgY29kZS4KCj4gLS0t Cj4gdjM6IE5ldy4KPiAKPiAtLS0gYS94ZW4vYXJjaC94ODYvaXJxLmMKPiArKysgYi94ZW4vYXJj aC94ODYvaXJxLmMKPiBAQCAtMzQyLDcgKzM0Miw3IEBAIHZvaWQgY2xlYXJfaXJxX3ZlY3Rvcihp bnQgaXJxKQo+ICAKPiAgaW50IGlycV90b192ZWN0b3IoaW50IGlycSkKPiAgewo+IC0gICAgaW50 IHZlY3RvciA9IC0xOwo+ICsgICAgaW50IHZlY3RvciA9IElSUV9WRUNUT1JfVU5BU1NJR05FRDsK PiAgCj4gICAgICBCVUdfT04oaXJxID49IG5yX2lycXMgfHwgaXJxIDwgMCk7Cj4gIAo+IEBAIC00 NTIsMTUgKzQ1MiwxOCBAQCBzdGF0aWMgdm1hc2tfdCAqaXJxX2dldF91c2VkX3ZlY3Rvcl9tYXNr Cj4gICAgICAgICAgICAgIGludCB2ZWN0b3I7Cj4gICAgICAgICAgICAgIAo+ICAgICAgICAgICAg ICB2ZWN0b3IgPSBpcnFfdG9fdmVjdG9yKGlycSk7Cj4gLSAgICAgICAgICAgIGlmICggdmVjdG9y ID4gMCApCj4gKyAgICAgICAgICAgIGlmICggdmFsaWRfaXJxX3ZlY3Rvcih2ZWN0b3IpICkKPiAg ICAgICAgICAgICAgewo+IC0gICAgICAgICAgICAgICAgcHJpbnRrKFhFTkxPR19JTkZPICJJUlEg JWQgYWxyZWFkeSBhc3NpZ25lZCB2ZWN0b3IgJWRcbiIsCj4gKyAgICAgICAgICAgICAgICBwcmlu dGsoWEVOTE9HX0lORk8gIklSUSVkIGFscmVhZHkgYXNzaWduZWQgdmVjdG9yICUwMnhcbiIsCj4g ICAgICAgICAgICAgICAgICAgICAgICAgaXJxLCB2ZWN0b3IpOwo+ICAgICAgICAgICAgICAgICAg Cj4gICAgICAgICAgICAgICAgICBBU1NFUlQoIXRlc3RfYml0KHZlY3RvciwgcmV0KSk7Cj4gIAo+ ICAgICAgICAgICAgICAgICAgc2V0X2JpdCh2ZWN0b3IsIHJldCk7Cj4gICAgICAgICAgICAgIH0K PiArICAgICAgICAgICAgZWxzZSBpZiAoIHZlY3RvciAhPSBJUlFfVkVDVE9SX1VOQVNTSUdORUQg KQo+ICsgICAgICAgICAgICAgICAgcHJpbnRrKFhFTkxPR19XQVJOSU5HICJJUlElZCBtYXBwZWQg dG8gYm9ndXMgdmVjdG9yICUwMnhcbiIsCj4gKyAgICAgICAgICAgICAgICAgICAgICAgaXJxLCB2 ZWN0b3IpOwoKTWF5YmUgYWRkIGFuIGFzc2VydF91bnJlYWNoYWJsZSBoZXJlPyBJdCBzZWVtcyBy ZWFsbHkgYm9ndXMgdG8gY2FsbAppcnFfZ2V0X3VzZWRfdmVjdG9yX21hc2sgd2l0aCBhbiB1bmFz c2lnbmVkIHZlY3Rvci4KCkJ1dCBJJ20gbm90IHN1cmUgSSBmdWxseSB1bmRlcnN0YW5kIHRoaXMg cGllY2Ugb2YgY29kZSwgbmVpdGhlciB3aHkgYQp2ZWN0b3Igd2l0aG91dCBhIElSUSBhc3NpZ25l ZCBjYW4gaGF2ZSBhIHZlY3RvciBhc3NpZ25lZC4gSXMgdGhpcwpjb3ZlcmluZyB1cCBmb3IgdGhl IGxhY2sgb2YgY2xlYW51cCBlbHNld2hlcmU/CgpUaGFua3MsIFJvZ2VyLgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA== 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=-5.9 required=3.0 tests=FROM_EXCESS_BASE64, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 0D8B0C04AAC for ; 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client-ip=23.29.105.83; receiver=esa5.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="postmaster@MIAPEX02MSOL02.citrite.net"; x-conformance=sidf_compatible IronPort-SDR: 3beyqnKCOm6vngGE/kqhUIadVbXRUkYbf070MOtxqzENOQobMMYpGR2/35QyXQF6/4dp4782A/ wXcuF5xYXWsZq0tIGAtQr6IvTurIxPHsvGXj5ZI3RSytDLEM3zA49FRjdfaQPJm+H3+WHDtqVy LZKxWnmmOXgh5+Sw9m9yZP1SaEJlakNPlTz0Ncmt5AQj2pAmP61gSJ8W26yWEudm9btLmdoJQY oeCexLd50YGz4L9btKZ/NGNDx96dDz3W46JqH8eBoBSR8HK0TaPuhgxOGFbzF+xeyTY88w/e28 KjA= X-SBRS: 2.7 X-MesageID: 638365 X-Ironport-Server: esa5.hc3370-68.iphmx.com X-Remote-IP: 23.29.105.83 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.60,491,1549947600"; d="scan'208";a="638365" Date: Mon, 20 May 2019 16:04:49 +0200 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: Jan Beulich Message-ID: <20190520140449.5ihqctltaeiegqiz@Air-de-Roger> References: <5CC6DD090200007800229E80@prv1-mh.provo.novell.com> <5CDE8F5B020000780023005F@prv1-mh.provo.novell.com> <5CDE927002000078002300BA@prv1-mh.provo.novell.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <5CDE927002000078002300BA@prv1-mh.provo.novell.com> User-Agent: NeoMutt/20180716 X-ClientProxiedBy: AMSPEX02CAS02.citrite.net (10.69.22.113) To AMSPEX02CL02.citrite.net (10.69.22.126) Subject: Re: [Xen-devel] [PATCH v3 13/15] x86/IRQ: tighten vector checks 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: xen-devel , Wei Liu , Andrew Cooper Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Message-ID: <20190520140449.AH0y621RI3fDQlOuV9HDRSqUF1D3EgGqFvlWOooMzqE@z> T24gRnJpLCBNYXkgMTcsIDIwMTkgYXQgMDQ6NTI6MzJBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gVXNlIHZhbGlkX2lycV92ZWN0b3IoKSByYXRoZXIgdGhhbiAiPiAwIi4KPiAKPiBBbHNv IHJlcGxhY2UgYW4gb3Blbi1jb2RlZCB1c2Ugb2YgSVJRX1ZFQ1RPUl9VTkFTU0lHTkVELgo+IAo+ IFNpZ25lZC1vZmYtYnk6IEphbiBCZXVsaWNoIDxqYmV1bGljaEBzdXNlLmNvbT4KClJldmlld2Vk LWJ5OiBSb2dlciBQYXUgTW9ubsOpIDxyb2dlci5wYXVAY2l0cml4LmNvbT4KClRoZSBxdWVzdGlv biBJIGhhdmUgYmVsb3cgaXMgbm90IGRpcmVjdGx5IHJlbGF0ZWQgdG8gdGhlIHVzYWdlIG9mCnZh bGlkX2lycV92ZWN0b3IsIGJ1dCByYXRoZXIgd2l0aCB0aGUgZXhpc3RpbmcgY29kZS4KCj4gLS0t Cj4gdjM6IE5ldy4KPiAKPiAtLS0gYS94ZW4vYXJjaC94ODYvaXJxLmMKPiArKysgYi94ZW4vYXJj aC94ODYvaXJxLmMKPiBAQCAtMzQyLDcgKzM0Miw3IEBAIHZvaWQgY2xlYXJfaXJxX3ZlY3Rvcihp bnQgaXJxKQo+ICAKPiAgaW50IGlycV90b192ZWN0b3IoaW50IGlycSkKPiAgewo+IC0gICAgaW50 IHZlY3RvciA9IC0xOwo+ICsgICAgaW50IHZlY3RvciA9IElSUV9WRUNUT1JfVU5BU1NJR05FRDsK PiAgCj4gICAgICBCVUdfT04oaXJxID49IG5yX2lycXMgfHwgaXJxIDwgMCk7Cj4gIAo+IEBAIC00 NTIsMTUgKzQ1MiwxOCBAQCBzdGF0aWMgdm1hc2tfdCAqaXJxX2dldF91c2VkX3ZlY3Rvcl9tYXNr Cj4gICAgICAgICAgICAgIGludCB2ZWN0b3I7Cj4gICAgICAgICAgICAgIAo+ICAgICAgICAgICAg ICB2ZWN0b3IgPSBpcnFfdG9fdmVjdG9yKGlycSk7Cj4gLSAgICAgICAgICAgIGlmICggdmVjdG9y ID4gMCApCj4gKyAgICAgICAgICAgIGlmICggdmFsaWRfaXJxX3ZlY3Rvcih2ZWN0b3IpICkKPiAg ICAgICAgICAgICAgewo+IC0gICAgICAgICAgICAgICAgcHJpbnRrKFhFTkxPR19JTkZPICJJUlEg JWQgYWxyZWFkeSBhc3NpZ25lZCB2ZWN0b3IgJWRcbiIsCj4gKyAgICAgICAgICAgICAgICBwcmlu dGsoWEVOTE9HX0lORk8gIklSUSVkIGFscmVhZHkgYXNzaWduZWQgdmVjdG9yICUwMnhcbiIsCj4g ICAgICAgICAgICAgICAgICAgICAgICAgaXJxLCB2ZWN0b3IpOwo+ICAgICAgICAgICAgICAgICAg Cj4gICAgICAgICAgICAgICAgICBBU1NFUlQoIXRlc3RfYml0KHZlY3RvciwgcmV0KSk7Cj4gIAo+ ICAgICAgICAgICAgICAgICAgc2V0X2JpdCh2ZWN0b3IsIHJldCk7Cj4gICAgICAgICAgICAgIH0K PiArICAgICAgICAgICAgZWxzZSBpZiAoIHZlY3RvciAhPSBJUlFfVkVDVE9SX1VOQVNTSUdORUQg KQo+ICsgICAgICAgICAgICAgICAgcHJpbnRrKFhFTkxPR19XQVJOSU5HICJJUlElZCBtYXBwZWQg dG8gYm9ndXMgdmVjdG9yICUwMnhcbiIsCj4gKyAgICAgICAgICAgICAgICAgICAgICAgaXJxLCB2 ZWN0b3IpOwoKTWF5YmUgYWRkIGFuIGFzc2VydF91bnJlYWNoYWJsZSBoZXJlPyBJdCBzZWVtcyBy ZWFsbHkgYm9ndXMgdG8gY2FsbAppcnFfZ2V0X3VzZWRfdmVjdG9yX21hc2sgd2l0aCBhbiB1bmFz c2lnbmVkIHZlY3Rvci4KCkJ1dCBJJ20gbm90IHN1cmUgSSBmdWxseSB1bmRlcnN0YW5kIHRoaXMg cGllY2Ugb2YgY29kZSwgbmVpdGhlciB3aHkgYQp2ZWN0b3Igd2l0aG91dCBhIElSUSBhc3NpZ25l ZCBjYW4gaGF2ZSBhIHZlY3RvciBhc3NpZ25lZC4gSXMgdGhpcwpjb3ZlcmluZyB1cCBmb3IgdGhl IGxhY2sgb2YgY2xlYW51cCBlbHNld2hlcmU/CgpUaGFua3MsIFJvZ2VyLgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==