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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A507AC00140 for ; Wed, 24 Aug 2022 09:27:36 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.392312.630574 (Exim 4.92) (envelope-from ) id 1oQmfQ-0001M7-Dz; Wed, 24 Aug 2022 09:27:20 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 392312.630574; Wed, 24 Aug 2022 09:27:20 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oQmfQ-0001M0-AS; Wed, 24 Aug 2022 09:27:20 +0000 Received: by outflank-mailman (input) for mailman id 392312; Wed, 24 Aug 2022 09:27:19 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oQmfP-0001Lu-81 for xen-devel@lists.xenproject.org; Wed, 24 Aug 2022 09:27:19 +0000 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id f1d978bc-238e-11ed-9250-1f966e50362f; Wed, 24 Aug 2022 11:27:17 +0200 (CEST) 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 2C80A2025A; Wed, 24 Aug 2022 09:27:17 +0000 (UTC) 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 AF93513780; Wed, 24 Aug 2022 09:27:16 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 2l1cKfTuBWOMAQAAMHmgww (envelope-from ); Wed, 24 Aug 2022 09:27:16 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: f1d978bc-238e-11ed-9250-1f966e50362f DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1661333237; 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=NqorV2o3cAm6KW/WZYcuOig7YwnnMQJG6cFEbpXaXMw=; b=t9wKP7qowZUJIpUUCuhQ5gOB5EGh3hR3rqrWzATX6gpEP7+06Z3+9gk9Oj0brRXnk48y6p Zq88iUM50YQ+T2C62smh8Z5g5rFj0PTqsO/IYTsBW3s1ux7JJfD/NPoR/gRi8DmBU70H9X bVKtluqeCnDbIYf+lr7PWGXHXWglKlg= Message-ID: <677b1763-7cd2-e867-9e28-db0779bb6785@suse.com> Date: Wed, 24 Aug 2022 11:27:16 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v10 2/9] xen: do not free reserved memory into heap Content-Language: en-US To: Julien Grall , Jan Beulich , Penny Zheng Cc: wei.chen@arm.com, Stefano Stabellini , Bertrand Marquis , Volodymyr Babchuk , Andrew Cooper , George Dunlap , Wei Liu , Julien Grall , xen-devel@lists.xenproject.org References: <20220816023658.3551936-1-Penny.Zheng@arm.com> <20220816023658.3551936-3-Penny.Zheng@arm.com> <6c2d0111-3ac3-83aa-145f-432f5fae0167@suse.com> <8430ec87-bbd2-d074-b313-84d5f31def1e@xen.org> From: Juergen Gross In-Reply-To: <8430ec87-bbd2-d074-b313-84d5f31def1e@xen.org> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------dWsQyMMwOfYb90F8g0l7pbKM" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------dWsQyMMwOfYb90F8g0l7pbKM Content-Type: multipart/mixed; boundary="------------cvaJCzThN0Q84027mmYizvrS"; protected-headers="v1" From: Juergen Gross To: Julien Grall , Jan Beulich , Penny Zheng Cc: wei.chen@arm.com, Stefano Stabellini , Bertrand Marquis , Volodymyr Babchuk , Andrew Cooper , George Dunlap , Wei Liu , Julien Grall , xen-devel@lists.xenproject.org Message-ID: <677b1763-7cd2-e867-9e28-db0779bb6785@suse.com> Subject: Re: [PATCH v10 2/9] xen: do not free reserved memory into heap References: <20220816023658.3551936-1-Penny.Zheng@arm.com> <20220816023658.3551936-3-Penny.Zheng@arm.com> <6c2d0111-3ac3-83aa-145f-432f5fae0167@suse.com> <8430ec87-bbd2-d074-b313-84d5f31def1e@xen.org> In-Reply-To: <8430ec87-bbd2-d074-b313-84d5f31def1e@xen.org> --------------cvaJCzThN0Q84027mmYizvrS Content-Type: multipart/mixed; boundary="------------ENevu0fL4lNIIl3MdanTUFVl" --------------ENevu0fL4lNIIl3MdanTUFVl Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 T24gMjQuMDguMjIgMTE6MDMsIEp1bGllbiBHcmFsbCB3cm90ZToNCj4gSGksDQo+IA0KPiBP biAxNi8wOC8yMDIyIDA3OjQwLCBKYW4gQmV1bGljaCB3cm90ZToNCj4+IE9uIDE2LjA4LjIw MjIgMDQ6MzYsIFBlbm55IFpoZW5nIHdyb3RlOg0KPj4+ICt2b2lkIGZyZWVfZG9tc3RhdGlj X3BhZ2Uoc3RydWN0IHBhZ2VfaW5mbyAqcGFnZSkNCj4+PiArew0KPj4+ICvCoMKgwqAgc3Ry dWN0IGRvbWFpbiAqZCA9IHBhZ2VfZ2V0X293bmVyKHBhZ2UpOw0KPj4+ICvCoMKgwqAgYm9v bCBkcm9wX2RvbV9yZWY7DQo+Pj4gKw0KPj4+ICvCoMKgwqAgaWYgKCB1bmxpa2VseSghZCkg KQ0KPj4+ICvCoMKgwqAgew0KPj4+ICvCoMKgwqDCoMKgwqDCoCBBU1NFUlRfVU5SRUFDSEFC TEUoKTsNCj4+PiArwqDCoMKgwqDCoMKgwqAgcHJpbnRrKCJUaGUgYWJvdXQtdG8tZnJlZSBz dGF0aWMgcGFnZSAlIlBSSV9tZm4iIG11c3QgYmUgb3duZWQgYnkgYSANCj4+PiBkb21haW5c biIsDQo+Pj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgbWZuX3gocGFnZV90b19t Zm4ocGFnZSkpKTsNCj4+PiArwqDCoMKgwqDCoMKgwqAgcmV0dXJuOw0KPj4+ICvCoMKgwqAg fQ0KPj4NCj4+IEZvciB0aGUgbWVzc2FnZSB0byBiZSB1c2VmdWwgYXMgYSBoaW50IGlmIHRo ZSBhc3NlcnRpb24gdHJpZ2dlcnMsIGl0DQo+PiB3YW50cyBwcmludGluZyBhaGVhZCBvZiB0 aGUgYXNzZXJ0aW9uLiBJIGFsc28gdGhpbmsgaXQgd2FudHMgdG8gYmUgYQ0KPj4gWEVOTE9H X0dfKiBraW5kIG9mIGxvZyBsZXZlbCwgc28gaXQgd291bGQgYmUgcmF0ZSBsaW1pdGVkIGJ5 IGRlZmF1bHQNCj4+IGluIHJlbGVhc2UgYnVpbGRzLiBKdXN0IHRvIGJlIG9uIHRoZSBzYWZl IHNpZGUuDQo+IA0KPiArMQ0KPiANCj4+IChJJ20gbm90IGluIGZhdm9yIG9mDQo+PiB0aGUg bG9nIG1lc3NhZ2UgaW4gdGhlIGZpcnN0IHBsYWNlLCBidXQgSSBkbyBrbm93IHRoYXQgSnVs aWVuIGhhZA0KPj4gYXNrZWQgZm9yIG9uZS4pDQo+IFRCSCwgSSB0aGluayBhbGwgQVNTRVJU X1VOUkVBQ0hBQkxFKCkgcGF0aHMgc2hvdWxkIGJlIGFjY29tcGFuaWVkIHdpdGggYSANCj4g cHJpbnRrKCkuIFRoaXMgd291bGQgYWxzbyBhbGxvdyB1cyB0byBjYXRjaCBpc3N1ZSBpbiBw cm9kdWN0aW9uIHJhdGhlciB0aGFuIGluIA0KPiBvbmx5IGluIGRlYnVnLg0KDQpXaGF0IGFi b3V0IHNvbWV0aGluZyBsaWtlIHRoZSBmb2xsb3dpbmcgdGhlbj8NCg0KLS0tIGEveGVuL2lu Y2x1ZGUveGVuL2xpYi5oDQorKysgYi94ZW4vaW5jbHVkZS94ZW4vbGliLmgNCkBAIC00MCw2 ICs0MCwxNiBAQA0KICAgICAgdW5saWtlbHkocmV0X3dhcm5fb25fKTsgICAgICAgICAgICAg XA0KICB9KQ0KDQorI2RlZmluZSBXQVJOX09OQ0UoKSBkbyB7ICAgICAgICAgICAgICAgIFwN CisgICAgc3RhdGljIGJvb2wgd2FybmVkID0gZmFsc2U7ICAgICAgICAgXA0KKyAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICBcDQorICAgIGlmICggIXdhcm5lZCAp ICAgICAgICAgICAgICAgICAgICAgIFwNCisgICAgeyAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgXA0KKyAgICAgICAgd2FybmVkID0gdHJ1ZTsgICAgICAgICAgICAgICAg ICBcDQorICAgICAgICBXQVJOKCk7ICAgICAgICAgICAgICAgICAgICAgICAgIFwNCisgICAg fSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgXA0KK30gd2hpbGUgKDApDQor DQogIC8qIEFsbCBjbGFuZyB2ZXJzaW9ucyBzdXBwb3J0ZWQgYnkgWGVuIGhhdmUgX1N0YXRp Y19hc3NlcnQuICovDQogICNpZiBkZWZpbmVkKF9fY2xhbmdfXykgfHwgXA0KICAgICAgKF9f R05VQ19fID4gNCB8fCAoX19HTlVDX18gPT0gNCAmJiBfX0dOVUNfTUlOT1JfXyA+PSA2KSkN CkBAIC02Myw3ICs3Myw3IEBADQogICNkZWZpbmUgQVNTRVJUX1VOUkVBQ0hBQkxFKCkgYXNz ZXJ0X2ZhaWxlZCgidW5yZWFjaGFibGUiKQ0KICAjZWxzZQ0KICAjZGVmaW5lIEFTU0VSVChw KSBkbyB7IGlmICggMCAmJiAocCkgKSB7fSB9IHdoaWxlICgwKQ0KLSNkZWZpbmUgQVNTRVJU X1VOUkVBQ0hBQkxFKCkgZG8geyB9IHdoaWxlICgwKQ0KKyNkZWZpbmUgQVNTRVJUX1VOUkVB Q0hBQkxFKCkgV0FSTl9PTkNFKCkNCiAgI2VuZGlmDQoNCiAgI2RlZmluZSBBQlMoX3gpICh7 ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgXA0KDQoNCkp1ZXJnZW4NCg== --------------ENevu0fL4lNIIl3MdanTUFVl 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----- --------------ENevu0fL4lNIIl3MdanTUFVl-- --------------cvaJCzThN0Q84027mmYizvrS-- --------------dWsQyMMwOfYb90F8g0l7pbKM Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wsB5BAABCAAjFiEEhRJncuj2BJSl0Jf3sN6d1ii/Ey8FAmMF7vQFAwAAAAAACgkQsN6d1ii/Ey8t +wf7BfS7/ntUMfo4rY0DaVElQsE8rZBxw0w2DubKqMg4ZFFicjhdBetJA3T5A52JBSvi7p4KQdXI 3/sBrg/fZfCSQegAE1EHpLZ3fsD7l3J7hyj2QVURnhIAccns6TjQiiGx/ohH6/62M6RQP8PrVcfm lphnpWXvb/QQkY8iJg7iRDYqlsY/aUdFzuY6quzJtI3WJGUJm3z1iDmtPVsDebs3BLDMkap2iD1R JhorGNj/LvT8k3a9UknWmrz0Xyu+bMQ7ezBoC59wUT8B4NUdiUPrng5uze9Z9MxNa9DxY4DvgsZP rkJpY6KH+8qd4qyjc9ZVCf00fYw9eR4E8g2FNWnRfg== =nG6J -----END PGP SIGNATURE----- --------------dWsQyMMwOfYb90F8g0l7pbKM--