From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2 11/15] xen/arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support Date: Mon, 12 Feb 2018 17:26:36 +0000 Message-ID: <28cd1237-f06b-8d9c-5942-6582bbe21061@arm.com> References: <20180208192203.9556-1-julien.grall@arm.com> <20180208192203.9556-12-julien.grall@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Volodymyr Babchuk , xen-devel@lists.xen.org Cc: sstabellini@kernel.org, andre.przywara@linaro.org List-Id: xen-devel@lists.xenproject.org CgpPbiAxMi8wMi8xOCAxNzoyMCwgVm9sb2R5bXlyIEJhYmNodWsgd3JvdGU6Cj4gSnVsaWVuLAoK SGksCgo+IE9uIDEyLjAyLjE4IDE5OjEyLCBKdWxpZW4gR3JhbGwgd3JvdGU6Cj4+IE9uIDEyLzAy LzE4IDE2OjU1LCBWb2xvZHlteXIgQmFiY2h1ayB3cm90ZToKPj4+IEhpIEp1bGllbiwKPj4KPj4g SGkgVm9sb2R5bXlyLAo+Pgo+Pj4gT24gMDguMDIuMTggMjE6MjEsIEp1bGllbiBHcmFsbCB3cm90 ZToKPj4+PiBBZGQgdGhlIGRldGVjdGlvbiBhbmQgcnVudGltZSBjb2RlIGZvciBBUk1fU01DQ0Nf QVJDSF9XT1JLQVJPVU5EXzEuCj4+Pj4KPj4+PiBTaWduZWQtb2ZmLWJ5OiBKdWxpZW4gR3JhbGwg PGp1bGllbi5ncmFsbEBhcm0uY29tPgo+Pj4+Cj4+Pj4gLS0tCj4+Pj4gwqDCoMKgwqAgQ2hhbmdl cyBpbiB2MjoKPj4+PiDCoMKgwqDCoMKgwqDCoMKgIC0gUGF0Y2ggYWRkZWQKPj4+PiAtLS0KPj4+ PiDCoCB4ZW4vYXJjaC9hcm0vYXJtNjQvYnBpLlPCoMKgwqAgfCAxMiArKysrKysrKysrKysKPj4+ PiDCoCB4ZW4vYXJjaC9hcm0vY3B1ZXJyYXRhLmPCoMKgwqAgfCAzMiArKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrLQo+Pj4+IMKgIHhlbi9pbmNsdWRlL2FzbS1hcm0vc21jY2MuaCB8wqAg MSArCj4+Pj4gwqAgMyBmaWxlcyBjaGFuZ2VkLCA0NCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9u KC0pCj4+Pj4KPj4+PiBkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJtL2FybTY0L2JwaS5TIGIveGVu L2FyY2gvYXJtL2FybTY0L2JwaS5TCj4+Pj4gaW5kZXggNGI3ZjFkYzIxZi4uZWYyMzdkZTdiZCAx MDA2NDQKPj4+PiAtLS0gYS94ZW4vYXJjaC9hcm0vYXJtNjQvYnBpLlMKPj4+PiArKysgYi94ZW4v YXJjaC9hcm0vYXJtNjQvYnBpLlMKPj4+PiBAQCAtMTYsNiArMTYsOCBAQAo+Pj4+IMKgwqAgKiBh bG9uZyB3aXRoIHRoaXMgcHJvZ3JhbS7CoCBJZiBub3QsIHNlZSAKPj4+PiA8aHR0cDovL3d3dy5n bnUub3JnL2xpY2Vuc2VzLz4uCj4+Pj4gwqDCoCAqLwo+Pj4+ICsjaW5jbHVkZSA8YXNtL3NtY2Nj Lmg+Cj4+Pj4gKwo+Pj4+IMKgIC5tYWNybyB2ZW50cnkgdGFyZ2V0Cj4+Pj4gwqDCoMKgwqDCoCAu cmVwdCAzMQo+Pj4+IMKgwqDCoMKgwqAgbm9wCj4+Pj4gQEAgLTgxLDYgKzgzLDE2IEBAIEVOVFJZ KF9fcHNjaV9oeXBfYnBfaW52YWxfc3RhcnQpCj4+Pj4gwqDCoMKgwqDCoCBhZGTCoMKgwqDCoCBz cCwgc3AsICMoOCAqIDE4KQo+Pj4+IMKgIEVOVFJZKF9fcHNjaV9oeXBfYnBfaW52YWxfZW5kKQo+ Pj4+ICtFTlRSWShfX3NtY2NjX3dvcmthcm91bmRfMV9zbWNfc3RhcnQpCj4+Pj4gK8KgwqDCoCBz dWLCoMKgwqDCoCBzcCwgc3AsICMoOCAqIDQpCj4+Pj4gK8KgwqDCoCBzdHDCoMKgwqDCoCB4Miwg eDMsIFtzcCwgIyg4ICogMCldCj4+Pj4gK8KgwqDCoCBzdHDCoMKgwqDCoCB4MCwgeDEsIFtzcCwg Iyg4ICogMildCj4+Pj4gK8KgwqDCoCBtb3bCoMKgwqDCoCB3MCwgI0FSTV9TTUNDQ19BUkNIX1dP UktBUk9VTkRfMV9GSUQKPj4+PiArwqDCoMKgIGxkcMKgwqDCoMKgIHgyLCB4MywgW3NwLCAjKDgg KiAwKV0KPj4+PiArwqDCoMKgIGxkcMKgwqDCoMKgIHgwLCB4MSwgW3NwLCAjKDggKiAyKV0KPj4+ PiArwqDCoMKgIGFkZMKgwqDCoMKgIHNwLCBzcCwgIyg4ICogNCkKPj4+PiArRU5UUlkoX19zbWNj Y193b3JrYXJvdW5kXzFfc21jX2VuZCkKPj4+PiArCj4+Pgo+Pj4gVGhpcyBjb2RlIGNvbmZ1c2Vz IG1lLiBZb3UgYWxsb2NhdGUgMzIgYnl0ZXMgb24gc3RhY2ssIHNhdmUgeDAteDQgCj4+PiB0aGVy ZSwgdGhlbiB5b3UgbG9hZCBBUk1fU01DQ0NfQVJDSF9XT1JLQVJPVU5EXzFfRklEIGludG8gdzAg YW5kIAo+Pj4gcmVzdG9yZSB2YWx1ZXMgb2YgeDAteDQsIG92ZXJ3cml0aW5nIHZhbHVlIHdyaXR0 ZW4gaW50byB3MC4gQW0gSSAKPj4+IG1pc3Npbmcgc29tZXRoaW5nPwo+Pgo+PiBUaGUgY2FsbCB0 byBBUk1fU01DQ0NfQVJDSF9XT1JLQVJPVU5EXzEgZG9lcyBub3QgcmV0dXJuIGFueSB2YWx1ZS4g Cj4+IEV2ZW4gaWYgaXQgd2VyZSwgdGhpcyBjb2RlIGlzIGV4ZWN1dGVkIG9uIGV4Y2VwdGlvbiBl bnRyeSBiZWZvcmUgCj4+IGp1bXBpbmcgaW50byB0aGUgdHJhcCBoZWxwZXIuIFNvIHlvdSB3YW50 IHRvIHJlc3RvcmUgYWxsIHRoZSByZWdpc3RlcnMgCj4+IHNhdmVkLgo+Pgo+IEkgYmVsaWV2ZSB5 b3UgbWlzc2VkIHNtYyBpbnN0cnVjdGlvbiBpbiB0aGUgY29kZSBhYm92ZS4KCldob29wcyB5ZXMu IEkgd2lsbCBmaXggaXQuCgo+IAo+Pj4KPj4+IEJ0dywgeW91IGNhbiB1c2Ugc29tZXRoaW5nIGxp a2Ugc3RwwqDCoMKgIHgwLCB4MSwgW3NwLCAjLTE2XSEgdG8gYXZvaWQgCj4+PiBtYW51YWwgYWRq dXN0bWVudCBvZiBzcC4gVGhpcyB3aWxsIHNhdmUgeW91IHR3byBpbnN0cnVjdGlvbnMuCj4+Cj4+ IEl0IHdhcyBwb2ludGVkIG91dCBvbiBMaW51eCBBcm0gdGhhdCB1cGRhdGluZyBzcCBvbmNlICpt aWdodCogYmUgCj4+IGZhc3RlciBvbiBzb21lIHVhcmNoLgo+IAo+IFNvIGlzIHRoaXMgY29kZSBp cyB0YXJnZXRlZCBmb3IgdGhhdCBzb21lIHNwZWNpZmljIHVhcmNoPyBUaGVuIEkgd291bGQgCj4g bGlrZSB0byBzZWUgYSBjb21tZW50IGRlc2NyaWJpbmcgd2h5IHlvdSBjaG9vc2UgdGhpcyBhcHBy b2FjaC4KCkkgY2FuJ3QgY29uZmlybSB3aGV0aGVyIHRoaXMgd2lsbCBpbXByb3ZlIHVhcmNoIEEs IEIsIEMgb3IgWi4gSSBqdXN0IApmb2xsb3dlZCBzdWdnZXN0aW9uIG9uIExpbnV4IEFybSAoc2Vl IFsxXSkgYW5kIGEgcGVyc29uYWwgY2hvaWNlIG9uIGhvdyAKdG8gd3JpdGUgYXNzZW1ibHkgY29k ZS4gSXQgaXMgcXVpdGUgc2ltaWxhciB0aGF0IHdoeSB3b3VsZCBJIGNob29zZSB0aGUgCm90aGVy IHdheSBhcm91bmQ/CgpDaGVlcnMsCgpbMV0gaHR0cHM6Ly93d3cuc3Bpbmljcy5uZXQvbGlzdHMv YXJtLWtlcm5lbC9tc2c2MjY2NTkuaHRtbAoKLS0gCkp1bGllbiBHcmFsbAoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==