Received: by 2002:a05:6358:c692:b0:131:369:b2a3 with SMTP id fe18csp4782265rwb; Mon, 31 Jul 2023 12:06:45 -0700 (PDT) X-Google-Smtp-Source: APBJJlFNuric8eb/oJoONOIXPe+w4/4itlxmT0mai2p98w5Hi1KWp4yFeUzv1BeLHMLoGYDB5fyW X-Received: by 2002:aa7:915a:0:b0:666:6c01:2e9e with SMTP id 26-20020aa7915a000000b006666c012e9emr10184318pfi.15.1690830404438; Mon, 31 Jul 2023 12:06:44 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1690830404; cv=none; d=google.com; s=arc-20160816; b=UlYEXIWBizXRcSmahVhtvlWfksk2yGLLeKaQaDuhqquC9O2vijl+2CFSgi995OtugS QCowIFRwS7srOXd0AQyGoGP7FkqlWB+AK5Ff8S/4ofmtvNDoLFq1V7hGFGzewg4HHJNb B63l4yX7iKndng5ZslH+nA6k0btLTBZoKwOGz75BfqqhxA39BSlHRmJ8vt4OZhe1NSd5 M2vfYyDUbeMYLss2kzE6jsuvG4zbBtaYPCUSHma0qTPX2YJuJg9RrCxvIs3i/n8jt81j xo5/FPzK14qBTfKCCtybzqu9E2wRNM7DrfGAm0SZwa8xq+ooG6O/Q/+T37lC3JvyHGjc MLVw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:subject:from:references:cc:to :content-language:user-agent:mime-version:date:message-id :dkim-signature; bh=/3MU3w5vQXISYO+BuvN7lX+giIQ1CWw2cjqqdqe7WYk=; fh=7lzeOmTeoHq05SA5Mq9R0vtvikIJ7JShlau3ETITXDw=; b=FpThuezh3I2VRM5R1Kle9XOLAPE8+DWiIEiSbe6U9upnwTJypTgTLC2wvM6Tds9WpO u/rcIEcwM0V7pTo+QnxDWpACC5YQzCaWUKIli0heF8rACqAcTzavfdroHl9YRIfggWQP hcLDxMcAVYARkeUpySXsYZvFWrABuw4tlDf0tSm7mYPn5DTYSa8K8XWKgULA0bQKTAix nsCchsgt+dBmNTWC/rP4iP3GFaujldLhnqgnpPjzk/WLId14R+llZUApiNtBdoPkAGb4 azFHr56elOxP8mbI+thsUOBNrb9cQ1S7J4/XPzdwWpAd0j2VQUIkVETRkY1415m8m4Uq 8wrw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b="tYcDY/M6"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=suse.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id u132-20020a63798a000000b00563ff9573desi7349403pgc.317.2023.07.31.12.06.31; Mon, 31 Jul 2023 12:06:44 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.com header.s=susede1 header.b="tYcDY/M6"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=suse.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231132AbjGaSTb (ORCPT + 99 others); Mon, 31 Jul 2023 14:19:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230248AbjGaST3 (ORCPT ); Mon, 31 Jul 2023 14:19:29 -0400 Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 39782119 for ; Mon, 31 Jul 2023 11:19:28 -0700 (PDT) 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-out2.suse.de (Postfix) with ESMTPS id CF62D1FD69; Mon, 31 Jul 2023 18:19:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1690827566; 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=/3MU3w5vQXISYO+BuvN7lX+giIQ1CWw2cjqqdqe7WYk=; b=tYcDY/M6Fm12Y2rEd/k3bezYR7j03JV1AoXKhek/vSUz65HAJPyLWCSXxMkYBO1Yw6+D7P cf9dLiyL9ccRWNu2nXdsRBpXtSNCE4ba1ul/9e350JPrCxIeTtcjdHYGOrW4EmouzMWFi4 9e+/ibNxzgy+5X2oA0UeVkcqAHjY9P0= 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 778F71322C; Mon, 31 Jul 2023 18:19:26 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id n+GCGy77x2QvRAAAMHmgww (envelope-from ); Mon, 31 Jul 2023 18:19:26 +0000 Message-ID: <4bf0020b-dff9-091f-dcb4-45f1ee864e2a@suse.com> Date: Mon, 31 Jul 2023 20:19:25 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Content-Language: en-US To: Thomas Gleixner , LKML Cc: x86@kernel.org, Andrew Cooper , Tom Lendacky , Paolo Bonzini , Wei Liu , Arjan van de Ven , Michael Kelley , Peter Keresztes Schmidt , "Peter Zijlstra (Intel)" References: <20230724131206.500814398@linutronix.de> <20230724132045.555787669@linutronix.de> <87y1iwnt34.ffs@tglx> <87mszcnkfa.ffs@tglx> From: Juergen Gross Subject: Re: [patch V2 16/58] x86/apic: Sanitize num_processors handling In-Reply-To: <87mszcnkfa.ffs@tglx> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------weZFS6RgpxPL656yEksnPD42" X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------weZFS6RgpxPL656yEksnPD42 Content-Type: multipart/mixed; boundary="------------0zGExTVkkqYRZWVHI6ZEsEU1"; protected-headers="v1" From: Juergen Gross To: Thomas Gleixner , LKML Cc: x86@kernel.org, Andrew Cooper , Tom Lendacky , Paolo Bonzini , Wei Liu , Arjan van de Ven , Michael Kelley , Peter Keresztes Schmidt , "Peter Zijlstra (Intel)" Message-ID: <4bf0020b-dff9-091f-dcb4-45f1ee864e2a@suse.com> Subject: Re: [patch V2 16/58] x86/apic: Sanitize num_processors handling References: <20230724131206.500814398@linutronix.de> <20230724132045.555787669@linutronix.de> <87y1iwnt34.ffs@tglx> <87mszcnkfa.ffs@tglx> In-Reply-To: <87mszcnkfa.ffs@tglx> --------------0zGExTVkkqYRZWVHI6ZEsEU1 Content-Type: multipart/mixed; boundary="------------bdfg8CwRoTF0fZOAOoISmCma" --------------bdfg8CwRoTF0fZOAOoISmCma Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMzEuMDcuMjMgMTc6NTcsIFRob21hcyBHbGVpeG5lciB3cm90ZToNCj4gT24gTW9uLCBK dWwgMzEgMjAyMyBhdCAxNDo1MCwgVGhvbWFzIEdsZWl4bmVyIHdyb3RlOg0KPj4gV2h5IGNh bid0IFhFTlBWIHByZXRlbmQgdGhhdCBpdCBoYXMgYSBzbXAgY29uZmlndXJhdGlvbiBkZXRl Y3RlZCwNCj4+IGkuZS4gc2V0dGluZyBzbXBfZm91bmRfY29uZmlnIGFzIGFueSBvdGhlciBz cGVjaWFsIGdldF9zbXBfY29uZmlnKCkNCj4+IGltcGxlbWVudGF0aW9uIGRvZXM/DQo+IA0K PiBUaGUgYmVsb3cgc2hvdWxkIGRvIHRoZSB0cmljaywgbm8/DQoNClNvbWV0aGluZyBsaWtl IHRoYXQsIHllcy4NCg0KSSdtIGp1c3QgaHVudGluZyBhbm90aGVyIHJlZ3Jlc3Npb24gaW4g dGhlIHNlcmllcy4gV2l0aCBwYXRjaCAyMyBvZiB0aGUNCnRvcG9sb2d5IHNlcmllcyBhcHBs aWVkIHRoZSBBUHMgb2YgYSBYZW4gUFYgZ3Vlc3RzIHdvbid0IGJlIG9ubGluZWQuIEkNCmd1 ZXNzIHRoaXMgaXMgZHVlIHRvIG1pc3NpbmcgdG9wb2xvZ3kgZGF0YSBpbml0aWFsaXphdGlv biBzb21ld2hlcmUgaW4NCnRoZSBYZW4gcmVsYXRlZCBjb2RlLg0KDQpJJ2xsIGNoZWNrIHlv dXIgc3VnZ2VzdGlvbiBhZnRlciBmaW5kaW5nIHRoZSByZWFzb24gZm9yIHRoZSByZWdyZXNz aW9uLg0KDQoNCkp1ZXJnZW4NCg0KPiANCj4gDQo+IC0tLSBhL2FyY2gveDg2L3hlbi9zbXBf cHYuYw0KPiArKysgYi9hcmNoL3g4Ni94ZW4vc21wX3B2LmMNCj4gQEAgLTE4Miw3ICsxODIs OCBAQCBzdGF0aWMgdm9pZCBfX2luaXQgX2dldF9zbXBfY29uZmlnKHVuc2lnDQo+ICAgCWlm IChzdWJ0cmFjdCkNCj4gICAJCXNldF9ucl9jcHVfaWRzKG5yX2NwdV9pZHMgLSBzdWJ0cmFj dCk7DQo+ICAgI2VuZGlmDQo+IC0NCj4gKwkvKiBQcmV0ZW5kIHRvIGJlIGEgcHJvcGVyIGVu dW1lcmF0ZWQgc3lzdGVtICovDQo+ICsJc21wX2ZvdW5kX2NvbmZpZyA9IDE7DQo+ICAgfQ0K PiAgIA0KPiAgIHN0YXRpYyB2b2lkIF9faW5pdCB4ZW5fcHZfc21wX3ByZXBhcmVfYm9vdF9j cHUodm9pZCkNCg0K --------------bdfg8CwRoTF0fZOAOoISmCma Content-Type: application/pgp-keys; name="OpenPGP_0xB0DE9DD628BF132F.asc" Content-Disposition: attachment; filename="OpenPGP_0xB0DE9DD628BF132F.asc" Content-Description: OpenPGP public key Content-Transfer-Encoding: quoted-printable -----BEGIN PGP PUBLIC KEY BLOCK----- xsBNBFOMcBYBCACgGjqjoGvbEouQZw/ToiBg9W98AlM2QHV+iNHsEs7kxWhKMjri oyspZKOBycWxw3ie3j9uvg9EOB3aN4xiTv4qbnGiTr3oJhkB1gsb6ToJQZ8uxGq2 kaV2KL9650I1SJvedYm8Of8Zd621lSmoKOwlNClALZNew72NjJLEzTalU1OdT7/i 1TXkH09XSSI8mEQ/ouNcMvIJNwQpd369y9bfIhWUiVXEK7MlRgUG6MvIj6Y3Am/B BLUVbDa4+gmzDC9ezlZkTZG2t14zWPvxXP3FAp2pkW0xqG7/377qptDmrk42GlSK N4z76ELnLxussxc7I2hx18NUcbP8+uty4bMxABEBAAHNHEp1ZXJnZW4gR3Jvc3Mg PGpnQHBmdXBmLm5ldD7CwHkEEwECACMFAlOMcBYCGwMHCwkIBwMCAQYVCAIJCgsE FgIDAQIeAQIXgAAKCRCw3p3WKL8TL0KdB/93FcIZ3GCNwFU0u3EjNbNjmXBKDY4F UGNQH2lvWAUy+dnyThpwdtF/jQ6j9RwE8VP0+NXcYpGJDWlNb9/JmYqLiX2Q3Tye vpB0CA3dbBQp0OW0fgCetToGIQrg0MbD1C/sEOv8Mr4NAfbauXjZlvTj30H2jO0u +6WGM6nHwbh2l5O8ZiHkH32iaSTfN7Eu5RnNVUJbvoPHZ8SlM4KWm8rG+lIkGurq qu5gu8q8ZMKdsdGC4bBxdQKDKHEFExLJK/nRPFmAuGlId1E3fe10v5QL+qHI3EIP tyfE7i9Hz6rVwi7lWKgh7pe0ZvatAudZ+JNIlBKptb64FaiIOAWDCx1SzR9KdWVy Z2VuIEdyb3NzIDxqZ3Jvc3NAc3VzZS5jb20+wsB5BBMBAgAjBQJTjHCvAhsDBwsJ CAcDAgEGFQgCCQoLBBYCAwECHgECF4AACgkQsN6d1ii/Ey/HmQf/RtI7kv5A2PS4 RF7HoZhPVPogNVbC4YA6lW7DrWf0teC0RR3MzXfy6pJ+7KLgkqMlrAbN/8Dvjoz7 8X+5vhH/rDLa9BuZQlhFmvcGtCF8eR0T1v0nC/nuAFVGy+67q2DH8As3KPu0344T BDpAvr2uYM4tSqxK4DURx5INz4ZZ0WNFHcqsfvlGJALDeE0LhITTd9jLzdDad1pQ SToCnLl6SBJZjDOX9QQcyUigZFtCXFst4dlsvddrxyqT1f17+2cFSdu7+ynLmXBK 7abQ3rwJY8SbRO2iRulogc5vr/RLMMlscDAiDkaFQWLoqHHOdfO9rURssHNN8WkM nQfvUewRz80hSnVlcmdlbiBHcm9zcyA8amdyb3NzQG5vdmVsbC5jb20+wsB5BBMB AgAjBQJTjHDXAhsDBwsJCAcDAgEGFQgCCQoLBBYCAwECHgECF4AACgkQsN6d1ii/ Ey8PUQf/ehmgCI9jB9hlgexLvgOtf7PJnFOXgMLdBQgBlVPO3/D9R8LtF9DBAFPN hlrsfIG/SqICoRCqUcJ96Pn3P7UUinFG/I0ECGF4EvTE1jnDkfJZr6jrbjgyoZHi w/4BNwSTL9rWASyLgqlA8u1mf+c2yUwcGhgkRAd1gOwungxcwzwqgljf0N51N5Jf VRHRtyfwq/ge+YEkDGcTU6Y0sPOuj4Dyfm8fJzdfHNQsWq3PnczLVELStJNdapwP OoE+lotufe3AM2vAEYJ9rTz3Cki4JFUsgLkHFqGZarrPGi1eyQcXeluldO3m91NK /1xMI3/+8jbO0tsn1tqSEUGIJi7ox80eSnVlcmdlbiBHcm9zcyA8amdyb3NzQHN1 c2UuZGU+wsB5BBMBAgAjBQJTjHDrAhsDBwsJCAcDAgEGFQgCCQoLBBYCAwECHgEC F4AACgkQsN6d1ii/Ey+LhQf9GL45eU5vOowA2u5N3g3OZUEBmDHVVbqMtzwlmNC4 k9Kx39r5s2vcFl4tXqW7g9/ViXYuiDXb0RfUpZiIUW89siKrkzmQ5dM7wRqzgJpJ wK8Bn2MIxAKArekWpiCKvBOB/Cc+3EXE78XdlxLyOi/NrmSGRIov0karw2RzMNOu 5D+jLRZQd1Sv27AR+IP3I8U4aqnhLpwhK7MEy9oCILlgZ1QZe49kpcumcZKORmzB TNh30FVKK1EvmV2xAKDoaEOgQB4iFQLhJCdP1I5aSgM5IVFdn7v5YgEYuJYx37Io N1EblHI//x/e2AaIHpzK5h88NEawQsaNRpNSrcfbFmAg987ATQRTjHAWAQgAyzH6 AOODMBjgfWE9VeCgsrwH3exNAU32gLq2xvjpWnHIs98ndPUDpnoxWQugJ6MpMncr 0xSwFmHEgnSEjK/PAjppgmyc57BwKII3sV4on+gDVFJR6Y8ZRwgnBC5mVM6JjQ5x Dk8WRXljExRfUX9pNhdE5eBOZJrDRoLUmmjDtKzWaDhIg/+1Hzz93X4fCQkNVbVF LELU9bMaLPBG/x5q4iYZ2k2ex6d47YE1ZFdMm6YBYMOljGkZKwYde5ldM9mo45mm we0icXKLkpEdIXKTZeKDO+Hdv1aqFuAcccTg9RXDQjmwhC3yEmrmcfl0+rPghO0I v3OOImwTEe4co3c1mwARAQABwsBfBBgBAgAJBQJTjHAWAhsMAAoJELDendYovxMv Q/gH/1ha96vm4P/L+bQpJwrZ/dneZcmEwTbe8YFsw2V/Buv6Z4Mysln3nQK5ZadD 534CF7TDVft7fC4tU4PONxF5D+/tvgkPfDAfF77zy2AH1vJzQ1fOU8lYFpZXTXIH b+559UqvIB8AdgR3SAJGHHt4RKA0F7f5ipYBBrC6cyXJyyoprT10EMvU8VGiwXvT yJz3fjoYsdFzpWPlJEBRMedCot60g5dmbdrZ5DWClAr0yau47zpWj3enf1tLWaqc suylWsviuGjKGw7KHQd3bxALOknAp4dN3QwBYCKuZ7AddY9yjynVaD5X7nF9nO5B jR/i1DG86lem3iBDXzXsZDn8R38=3D =3D2wuH -----END PGP PUBLIC KEY BLOCK----- --------------bdfg8CwRoTF0fZOAOoISmCma-- --------------0zGExTVkkqYRZWVHI6ZEsEU1-- --------------weZFS6RgpxPL656yEksnPD42 Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsB5BAABCAAjFiEEhRJncuj2BJSl0Jf3sN6d1ii/Ey8FAmTH+y0FAwAAAAAACgkQsN6d1ii/Ey8n Swf9FqvmovsQjyKhjHxDABH647GcmppHx2VHOX8W1+2FJunqnva74vZ4Etw9dL6GCQSuZmuhnAQs bDM8TRIznbxrwgqpRwJZ5jMzfeMpufEXRgZUqExE2U5qP3jZ7e7hiTYkzzvFe9Zw+qJ+yVY4EXZB eRm5LB7n9NgdCoCh36hXSzuZmtERIkTD6lHZh+Rnmi6MMFES+370bcrUuNrpeSq1E/45nSeNJ/Y+ p1QH417hZ6hr4NakIl3RqFVOMviahngfxH/QYzAyfbrUrs6TlzalwRNRrAoUO3y0l4zMjZpdy3y/ pYjHKoy97ARzbttANNx9k4RSE6ICDZG8ipejo33Kgw== =twK+ -----END PGP SIGNATURE----- --------------weZFS6RgpxPL656yEksnPD42--