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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB X-ClientProxiedBy: AMSPEX02CAS02.citrite.net (10.69.22.113) To AMSPEX02CL02.citrite.net (10.69.22.126) Subject: Re: [Xen-devel] [PATCH v2 2/2] x86/xpti: Don't leak TSS-adjacent percpu data via Meltdown 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 , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gMjkvMDcvMjAxOSAxNjo1NSwgQW5kcmV3IENvb3BlciB3cm90ZToKPj4+IC0tLSBhL3hlbi9p bmNsdWRlL2FzbS14ODYvcHJvY2Vzc29yLmgKPj4+ICsrKyBiL3hlbi9pbmNsdWRlL2FzbS14ODYv cHJvY2Vzc29yLmgKPj4+IEBAIC00MTEsNyArNDExLDcgQEAgc3RhdGljIGFsd2F5c19pbmxpbmUg dm9pZCBfX213YWl0KHVuc2lnbmVkIGxvbmcgZWF4LCB1bnNpZ25lZCBsb25nIGVjeCkKPj4+ICAg I2RlZmluZSBJT0JNUF9CWVRFUyAgICAgICAgICAgICA4MTkyCj4+PiAgICNkZWZpbmUgSU9CTVBf SU5WQUxJRF9PRkZTRVQgICAgMHg4MDAwCj4+PiAgIAo+Pj4gLXN0cnVjdCBfX3BhY2tlZCBfX2Nh Y2hlbGluZV9hbGlnbmVkIHRzc19zdHJ1Y3Qgewo+Pj4gK3N0cnVjdCBfX3BhY2tlZCB0c3Nfc3Ry dWN0IHsKPj4+ICAgICAgIHVpbnQzMl90IDozMjsKPj4+ICAgICAgIHVpbnQ2NF90IHJzcDAsIHJz cDEsIHJzcDI7Cj4+PiAgICAgICB1aW50NjRfdCA6NjQ7Cj4+PiBAQCAtNDI1LDYgKzQyNSw3IEBA IHN0cnVjdCBfX3BhY2tlZCBfX2NhY2hlbGluZV9hbGlnbmVkIHRzc19zdHJ1Y3Qgewo+Pj4gICAg ICAgLyogUGFkcyB0aGUgVFNTIHRvIGJlIGNhY2hlbGluZS1hbGlnbmVkICh0b3RhbCBzaXplIGlz IDB4ODApLiAqLwo+Pj4gICAgICAgdWludDhfdCBfX2NhY2hlbGluZV9maWxsZXJbMjRdOwo+Pj4g ICB9Owo+Pj4gK0RFQ0xBUkVfUEVSX0NQVShzdHJ1Y3QgdHNzX3N0cnVjdCwgaW5pdF90c3MpOwo+ PiBUYWtpbmcgcGF0Y2ggMSB0aGlzIGV4cGFuZHMgdG8KPj4KPj4gICAgICBfX0RFRklORV9QRVJf Q1BVKF9fc2VjdGlvbigiLmJzcy5wZXJjcHUucGFnZV9hbGlnbmVkIikgXAo+PiAgICAgICAgICAg ICAgICAgICAgICAgX19hbGlnbmVkKFBBR0VfU0laRSksIHN0cnVjdCB0c3Nfc3RydWN0LCBfaW5p dF90c3MpOwo+Pgo+PiBhbmQgdGhlbgo+Pgo+PiAgICAgIF9fc2VjdGlvbigiLmJzcy5wZXJjcHUu cGFnZV9hbGlnbmVkIikgX19hbGlnbmVkKFBBR0VfU0laRSkKPj4gICAgICBfX3R5cGVvZl9fKHN0 cnVjdCB0c3Nfc3RydWN0KSBwZXJfY3B1X19pbml0X3RzczsKPj4KPj4gd2hpY2ggaXMgbm90IHdo YXQgeW91IHdhbnQ6IFlvdSBoYXZlIGFuIG9iamVjdCBvZiBzaXplCj4+IHNpemVvZihzdHJ1Y3Qg dHNzX3N0cnVjdCkgd2hpY2ggaXMgUEFHRV9TSVpFIGFsaWduZWQuIEFmYWljdCB5b3UKPj4gdGhl cmVmb3JlIHN0aWxsIGxlYWsgZXZlcnl0aGluZyB0aGF0IGZvbGxvd3MgaW4gdGhlIHNhbWUgcGFn ZS4KPiBXaGF0IGRhdGEgbWlnaHQgdGhpcyBiZT8KPgo+IEV2ZXJ5IG9iamVjdCBwdXQgaW50byB0 aGlzIHNlY3Rpb24gaXMgc3VpdGFibHkgYWxpZ25lZCwgc28gbm90aGluZyB3aWxsCj4gc2l0IGlu IHRoZSBzbGFjayBiZXR3ZWVuIHRoZSBUU1MgYW5kIHRoZSBlbmQgb2YgdGhlIHBhZ2UuCgpBbmQg b2YgY291cnNlLCBJIHNob3VsZCBoYXZlIGFjdHVhbGx5IGNoZWNrZWQuLi4KCmZmZmY4MmQwODA5 MmUwMDAgQiBwZXJfY3B1X19pbml0X3RzcwpmZmZmODJkMDgwOTJlMDAwIEIgX19wZXJfY3B1X3N0 YXJ0CmZmZmY4MmQwODA5MmUwODAgQiBwZXJfY3B1X19jcHVwb29sCmZmZmY4MmQwODA5MmUwODgg YiBwZXJfY3B1X19jb250aW51ZV9pbmZvCgpUaGlzIG5lZWRzIGZpeGluZyB3aXRoIHN1aXRhYmxl IGFsaWdubWVudCBpbiB0aGUgbGlua2VyIHNjcmlwdC4KCn5BbmRyZXcKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QK WGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5v cmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=