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: Wed, 22 May 2019 17:42:14 +0100 Message-ID: <20190522164214.mptkeyojhulxbjww@Air-de-Roger> References: <5CC6DD090200007800229E80@prv1-mh.provo.novell.com> <5CDE8F5B020000780023005F@prv1-mh.provo.novell.com> <5CDE927002000078002300BA@prv1-mh.provo.novell.com> <20190520140449.5ihqctltaeiegqiz@Air-de-Roger> <5CE2C72D0200007800230AD1@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 1hTUJu-0007lk-W0 for xen-devel@lists.xenproject.org; Wed, 22 May 2019 16:42:27 +0000 Content-Disposition: inline In-Reply-To: <5CE2C72D0200007800230AD1@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: Andrew Cooper , Wei Liu , xen-devel List-Id: xen-devel@lists.xenproject.org T24gTW9uLCBNYXkgMjAsIDIwMTkgYXQgMDk6MjY6MzdBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gPj4+IE9uIDIwLjA1LjE5IGF0IDE2OjA0LCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdy b3RlOgo+ID4gT24gRnJpLCBNYXkgMTcsIDIwMTkgYXQgMDQ6NTI6MzJBTSAtMDYwMCwgSmFuIEJl dWxpY2ggd3JvdGU6Cj4gPj4gVXNlIHZhbGlkX2lycV92ZWN0b3IoKSByYXRoZXIgdGhhbiAiPiAw Ii4KPiA+PiAKPiA+PiBBbHNvIHJlcGxhY2UgYW4gb3Blbi1jb2RlZCB1c2Ugb2YgSVJRX1ZFQ1RP Ul9VTkFTU0lHTkVELgo+ID4+IAo+ID4+IFNpZ25lZC1vZmYtYnk6IEphbiBCZXVsaWNoIDxqYmV1 bGljaEBzdXNlLmNvbT4KPiA+IAo+ID4gUmV2aWV3ZWQtYnk6IFJvZ2VyIFBhdSBNb25uw6kgPHJv Z2VyLnBhdUBjaXRyaXguY29tPgo+IAo+IFRoYW5rcy4KPiAKPiA+IFRoZSBxdWVzdGlvbiBJIGhh dmUgYmVsb3cgaXMgbm90IGRpcmVjdGx5IHJlbGF0ZWQgdG8gdGhlIHVzYWdlIG9mCj4gPiB2YWxp ZF9pcnFfdmVjdG9yLCBidXQgcmF0aGVyIHdpdGggdGhlIGV4aXN0aW5nIGNvZGUuCj4gPiAKPiA+ PiBAQCAtNDUyLDE1ICs0NTIsMTggQEAgc3RhdGljIHZtYXNrX3QgKmlycV9nZXRfdXNlZF92ZWN0 b3JfbWFzawo+ID4+ICAgICAgICAgICAgICBpbnQgdmVjdG9yOwo+ID4+ICAgICAgICAgICAgICAK PiA+PiAgICAgICAgICAgICAgdmVjdG9yID0gaXJxX3RvX3ZlY3RvcihpcnEpOwo+ID4+IC0gICAg ICAgICAgICBpZiAoIHZlY3RvciA+IDAgKQo+ID4+ICsgICAgICAgICAgICBpZiAoIHZhbGlkX2ly cV92ZWN0b3IodmVjdG9yKSApCj4gPj4gICAgICAgICAgICAgIHsKPiA+PiAtICAgICAgICAgICAg ICAgIHByaW50ayhYRU5MT0dfSU5GTyAiSVJRICVkIGFscmVhZHkgYXNzaWduZWQgdmVjdG9yICVk XG4iLAo+ID4+ICsgICAgICAgICAgICAgICAgcHJpbnRrKFhFTkxPR19JTkZPICJJUlElZCBhbHJl YWR5IGFzc2lnbmVkIHZlY3RvciAlMDJ4XG4iLAo+ID4+ICAgICAgICAgICAgICAgICAgICAgICAg IGlycSwgdmVjdG9yKTsKPiA+PiAgICAgICAgICAgICAgICAgIAo+ID4+ICAgICAgICAgICAgICAg ICAgQVNTRVJUKCF0ZXN0X2JpdCh2ZWN0b3IsIHJldCkpOwo+ID4+ICAKPiA+PiAgICAgICAgICAg ICAgICAgIHNldF9iaXQodmVjdG9yLCByZXQpOwo+ID4+ICAgICAgICAgICAgICB9Cj4gPj4gKyAg ICAgICAgICAgIGVsc2UgaWYgKCB2ZWN0b3IgIT0gSVJRX1ZFQ1RPUl9VTkFTU0lHTkVEICkKPiA+ PiArICAgICAgICAgICAgICAgIHByaW50ayhYRU5MT0dfV0FSTklORyAiSVJRJWQgbWFwcGVkIHRv IGJvZ3VzIHZlY3RvciAlMDJ4XG4iLAo+ID4+ICsgICAgICAgICAgICAgICAgICAgICAgIGlycSwg dmVjdG9yKTsKPiA+IAo+ID4gTWF5YmUgYWRkIGFuIGFzc2VydF91bnJlYWNoYWJsZSBoZXJlPyBJ dCBzZWVtcyByZWFsbHkgYm9ndXMgdG8gY2FsbAo+ID4gaXJxX2dldF91c2VkX3ZlY3Rvcl9tYXNr IHdpdGggYW4gdW5hc3NpZ25lZCB2ZWN0b3IuCj4gCj4gSG93IHRoYXQ/IFRoaXMgd291bGQgZS5n LiBnZXQgY2FsbGVkIHRoZSB2ZXJ5IGZpcnN0IHRpbWUgYSB2ZWN0b3IKPiBpcyB0byBiZSBhc3Np Z25lZC4gQnV0IEknbSBhZnJhaWQgSSdtIGEgbGl0dGxlIGNvbmZ1c2VkIGFueXdheSBieQo+IHRo ZSB3b3JkaW5nIHlvdSB1c2UgLSBhZnRlciBhbGwgdGhpcyBpcyB0aGUgY29kZSBwYXRoIGRlYWxp bmcgd2l0aAo+IGFuIElSUSBfbm90XyBiZWluZyBtYXJrZWQgYXMgaGF2aW5nIG5vIHZlY3RvciBh c3NpZ25lZCwgYnV0Cj4gYWxzbyBub3QgaGF2aW5nIGEgdmFsaWQgdmVjdG9yLgoKVGhhbmtzIGZv ciB0aGUgY2xhcmlmaWNhdGlvbiwgYnkgdGhlIG5hbWUgb2YgdGhlIGZ1bmN0aW9uIEkgYXNzdW1l ZCBpdAptdXN0IGJlIGNhbGxlZCB3aXRoIGFuIGlycSB0aGF0IGhhcyBhIHZlY3RvciBhc3NpZ25l ZCwgaWYgdGhhdCdzIG5vdAp0aGUgY2FzZSB0aGVuIEkgdGhpbmsgaXQncyBmaW5lLgoKUm9nZXIu CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2 ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xp c3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs 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 03316C282CE for ; 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charset="UTF-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Message-ID: <20190522164214.VXddEl_8GOLm4abztyVookSbQu3X5omlXgZBiIb_jdI@z> T24gTW9uLCBNYXkgMjAsIDIwMTkgYXQgMDk6MjY6MzdBTSAtMDYwMCwgSmFuIEJldWxpY2ggd3Jv dGU6Cj4gPj4+IE9uIDIwLjA1LjE5IGF0IDE2OjA0LCA8cm9nZXIucGF1QGNpdHJpeC5jb20+IHdy b3RlOgo+ID4gT24gRnJpLCBNYXkgMTcsIDIwMTkgYXQgMDQ6NTI6MzJBTSAtMDYwMCwgSmFuIEJl dWxpY2ggd3JvdGU6Cj4gPj4gVXNlIHZhbGlkX2lycV92ZWN0b3IoKSByYXRoZXIgdGhhbiAiPiAw Ii4KPiA+PiAKPiA+PiBBbHNvIHJlcGxhY2UgYW4gb3Blbi1jb2RlZCB1c2Ugb2YgSVJRX1ZFQ1RP Ul9VTkFTU0lHTkVELgo+ID4+IAo+ID4+IFNpZ25lZC1vZmYtYnk6IEphbiBCZXVsaWNoIDxqYmV1 bGljaEBzdXNlLmNvbT4KPiA+IAo+ID4gUmV2aWV3ZWQtYnk6IFJvZ2VyIFBhdSBNb25uw6kgPHJv Z2VyLnBhdUBjaXRyaXguY29tPgo+IAo+IFRoYW5rcy4KPiAKPiA+IFRoZSBxdWVzdGlvbiBJIGhh dmUgYmVsb3cgaXMgbm90IGRpcmVjdGx5IHJlbGF0ZWQgdG8gdGhlIHVzYWdlIG9mCj4gPiB2YWxp ZF9pcnFfdmVjdG9yLCBidXQgcmF0aGVyIHdpdGggdGhlIGV4aXN0aW5nIGNvZGUuCj4gPiAKPiA+ PiBAQCAtNDUyLDE1ICs0NTIsMTggQEAgc3RhdGljIHZtYXNrX3QgKmlycV9nZXRfdXNlZF92ZWN0 b3JfbWFzawo+ID4+ICAgICAgICAgICAgICBpbnQgdmVjdG9yOwo+ID4+ICAgICAgICAgICAgICAK PiA+PiAgICAgICAgICAgICAgdmVjdG9yID0gaXJxX3RvX3ZlY3RvcihpcnEpOwo+ID4+IC0gICAg ICAgICAgICBpZiAoIHZlY3RvciA+IDAgKQo+ID4+ICsgICAgICAgICAgICBpZiAoIHZhbGlkX2ly cV92ZWN0b3IodmVjdG9yKSApCj4gPj4gICAgICAgICAgICAgIHsKPiA+PiAtICAgICAgICAgICAg ICAgIHByaW50ayhYRU5MT0dfSU5GTyAiSVJRICVkIGFscmVhZHkgYXNzaWduZWQgdmVjdG9yICVk XG4iLAo+ID4+ICsgICAgICAgICAgICAgICAgcHJpbnRrKFhFTkxPR19JTkZPICJJUlElZCBhbHJl YWR5IGFzc2lnbmVkIHZlY3RvciAlMDJ4XG4iLAo+ID4+ICAgICAgICAgICAgICAgICAgICAgICAg IGlycSwgdmVjdG9yKTsKPiA+PiAgICAgICAgICAgICAgICAgIAo+ID4+ICAgICAgICAgICAgICAg ICAgQVNTRVJUKCF0ZXN0X2JpdCh2ZWN0b3IsIHJldCkpOwo+ID4+ICAKPiA+PiAgICAgICAgICAg ICAgICAgIHNldF9iaXQodmVjdG9yLCByZXQpOwo+ID4+ICAgICAgICAgICAgICB9Cj4gPj4gKyAg ICAgICAgICAgIGVsc2UgaWYgKCB2ZWN0b3IgIT0gSVJRX1ZFQ1RPUl9VTkFTU0lHTkVEICkKPiA+ PiArICAgICAgICAgICAgICAgIHByaW50ayhYRU5MT0dfV0FSTklORyAiSVJRJWQgbWFwcGVkIHRv IGJvZ3VzIHZlY3RvciAlMDJ4XG4iLAo+ID4+ICsgICAgICAgICAgICAgICAgICAgICAgIGlycSwg dmVjdG9yKTsKPiA+IAo+ID4gTWF5YmUgYWRkIGFuIGFzc2VydF91bnJlYWNoYWJsZSBoZXJlPyBJ dCBzZWVtcyByZWFsbHkgYm9ndXMgdG8gY2FsbAo+ID4gaXJxX2dldF91c2VkX3ZlY3Rvcl9tYXNr IHdpdGggYW4gdW5hc3NpZ25lZCB2ZWN0b3IuCj4gCj4gSG93IHRoYXQ/IFRoaXMgd291bGQgZS5n LiBnZXQgY2FsbGVkIHRoZSB2ZXJ5IGZpcnN0IHRpbWUgYSB2ZWN0b3IKPiBpcyB0byBiZSBhc3Np Z25lZC4gQnV0IEknbSBhZnJhaWQgSSdtIGEgbGl0dGxlIGNvbmZ1c2VkIGFueXdheSBieQo+IHRo ZSB3b3JkaW5nIHlvdSB1c2UgLSBhZnRlciBhbGwgdGhpcyBpcyB0aGUgY29kZSBwYXRoIGRlYWxp bmcgd2l0aAo+IGFuIElSUSBfbm90XyBiZWluZyBtYXJrZWQgYXMgaGF2aW5nIG5vIHZlY3RvciBh c3NpZ25lZCwgYnV0Cj4gYWxzbyBub3QgaGF2aW5nIGEgdmFsaWQgdmVjdG9yLgoKVGhhbmtzIGZv ciB0aGUgY2xhcmlmaWNhdGlvbiwgYnkgdGhlIG5hbWUgb2YgdGhlIGZ1bmN0aW9uIEkgYXNzdW1l ZCBpdAptdXN0IGJlIGNhbGxlZCB3aXRoIGFuIGlycSB0aGF0IGhhcyBhIHZlY3RvciBhc3NpZ25l ZCwgaWYgdGhhdCdzIG5vdAp0aGUgY2FzZSB0aGVuIEkgdGhpbmsgaXQncyBmaW5lLgoKUm9nZXIu CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2 ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xp c3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs