From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH] x86/hvm: Intercept RDPMC when vPMU is disabled Date: Fri, 22 Feb 2019 22:44:48 +0000 Message-ID: <03a53709-1d0e-efb9-8bf0-56c8553c220e@citrix.com> References: <1550870016-360-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-GB List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Boris Ostrovsky , Xen-devel Cc: Juergen Gross , Kevin Tian , Wei Liu , Jun Nakajima , Jan Beulich , Suravee Suthikulpanit , Brian Woods , =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= List-Id: xen-devel@lists.xenproject.org T24gMjIvMDIvMjAxOSAyMTo1OCwgQm9yaXMgT3N0cm92c2t5IHdyb3RlOgo+IE9uIDIvMjIvMTkg NDoxMyBQTSwgQW5kcmV3IENvb3BlciB3cm90ZToKPj4gdlBNVSBpc24ndCBzZWN1cml0eSBzdXBw b3J0ZWQsIGFuZCBpbiBnZW5lcmFsIGd1ZXN0cyBjYW4ndCBhY2Nlc3MgYW55IG9mIHRoZQo+PiBw ZXJmb3JtYW5jZSBjb3VudGVyIE1TUnMuICBIb3dldmVyLCB0aGUgUkRQTUMgaW5zdHJ1Y3Rpb24g aXNuJ3QgaW50ZXJjZXB0ZWQsCj4+IG1lYW5pbmcgdGhhdCBndWVzdCBzb2Z0d2FyZSBjYW4gcmVh ZCB0aGUgaW5zdGFudGFuZW91cyBjb3VudGVyIHZhbHVlcy4KPj4KPj4gV2hlbiB2UE1VIGlzbid0 IGNvbmZpZ3VyZWQsIGludGVyY2VwdCBSRFBNQyBhbmQgdW5jb25kaXRpb25hbGx5IGZhaWwgaXQg YXMgaWYKPj4gc29mdHdhcmUgaGFzIHJlcXVlc3RlZCBhIGJhZCBjb3VudGVyIGluZGV4ICgjR1Ag ZmF1bHQpLiAgSXQgaXMgbW9kZWwgc3BlY2lmaWMKPj4gYXMgdG8gd2hpY2ggY291bnRlcnMgYXJl IGF2YWlsYWJsZSB0byBiZWdpbiB3aXRoLCBhbmQgaW4gbGV2ZWxsZWQgc2NlbmFyaW9zLAo+PiB0 aGlzIGluZm9ybWF0aW9uIG1heSBub3QgYmUgYWNjdXJhdGUgaW4gdGhlIGZpcnN0IHBsYWNlLgo+ Pgo+PiBUaGlzIGNoYW5nZSBpc24ndCBleHBlY3RlZCB0byBoYXZlIGFueSBpbXBhY3Qgb24gVk1z LiAgVXNlcnNwYWNlIGlzIG5vdAo+PiB1c3VhbGx5IGdpdmVuIGFjY2VzcyB0byBSRFBNQyAoV2lu ZG93cyBhcHBlYXIgdG8gY29tcGxldGVseSBwcm9oaWJpdCBpdDsgTGludXgKPj4gaXMgcmVzdHJp Y3RlZCB0byByb290KSwgYW5kIGtlcm5lbHMgd29uJ3QgYmUgZXhlY3V0aW5nIFJEUE1DIGluc3Ry dWN0aW9ucyBpZgo+PiB0aGVpciBQTVUgZHJpdmVycyBoYXZlIGZhaWxlZCB0byBzdGFydC4KPj4K Pj4gU2lnbmVkLW9mZi1ieTogQW5kcmV3IENvb3BlciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNv bT4KPj4gLS0tCj4+IENDOiBKYW4gQmV1bGljaCA8SkJldWxpY2hAc3VzZS5jb20+Cj4+IENDOiBX ZWkgTGl1IDx3ZWkubGl1MkBjaXRyaXguY29tPgo+PiBDQzogUm9nZXIgUGF1IE1vbm7DqSA8cm9n ZXIucGF1QGNpdHJpeC5jb20+Cj4+IENDOiBKdW4gTmFrYWppbWEgPGp1bi5uYWthamltYUBpbnRl bC5jb20+Cj4+IENDOiBLZXZpbiBUaWFuIDxrZXZpbi50aWFuQGludGVsLmNvbT4KPj4gQ0M6IEJv cmlzIE9zdHJvdnNreSA8Ym9yaXMub3N0cm92c2t5QG9yYWNsZS5jb20+Cj4+IENDOiBTdXJhdmVl IFN1dGhpa3VscGFuaXQgPHN1cmF2ZWUuc3V0aGlrdWxwYW5pdEBhbWQuY29tPgo+PiBDQzogQnJp YW4gV29vZHMgPGJyaWFuLndvb2RzQGFtZC5jb20+Cj4+IENDOiBKdWVyZ2VuIEdyb3NzIDxqZ3Jv c3NAc3VzZS5jb20+Cj4+Cj4+IFRoaXMgc2hvdWxkIGJlIHRha2VuIGludG8gWGVuIDQuMTIgYW5k IGJhY2twb3J0ZWQgdG8gdGhlIHN0YWJsZSByZWxlYXNlcy4KPj4gV2hpbGUgaXQgaXNuJ3QgYW4g WFNBIGl0c2VsZiwgaXQgaXMgYW4gaW5mb3JtYXRpb24gbGVhayAoWGVuJ3MgTk1JIHdhdGNoZG9n IGluCj4+IHBhcnRpY3VsYXIpIHdoaWNoIGNvdWxkIGJlIGFkdmFudGFnb3VzIHRvIGFuIGF0dGFj a2VyIHRyeWluZyB0byBleHBsb2l0IGEgcmFjZQo+PiBjb25kaXRpb24uCj4+Cj4+IFRoZSBvbmx5 IG90aGVyIG9wdGlvbiBpcyB0byBlbXVsYXRlIHRoZSByZXBvcnRlZCBmYW1pbHkgYW5kIG9mZmVy IGJhY2sgYWxsIDAncwo+PiBmb3IgdGhlIGFjY2Vzc2FibGUgY291bnRlcnMuICBPYnZpb3VzbHkg dGhpcyBpcyBhIG5vbi1zdGFydGVyLgo+IFdoZW4gVlBNVSBpcyBvZmYgTVNSIHJlYWRzIHJldHVy biB6ZXJvLgoKVGhhdCBiZWhhdmlvdXIgaXNuJ3QgbG9uZyBmb3IgdGhpcyB3b3JsZC4KCj4gV2hp bGUgaXQgaXMgZGViYXRhYmxlIHdoZXRoZXIgdGhpcyB0aGUgcmlnaHQgYWN0aW9uLCBzaG91bGRu J3QgcmRwbWMgYmVoYXZlIGluIHRoZSBzYW1lIGZhc2hpb24/CgpJIHNwZWNpZmljYWxseSBkb24n dCB3YW50IHRvIHByb3BhZ2F0ZSB0aGUgImxldHMgY29tcGxldGUgd2l0aCB6ZXJvIgpiZWhhdmlv dXIgZnVydGhlciwgYmVjYXVzZSBpdCB0YWtlcyBhd2F5ICNHUCBmYXVsdHMgd2hpY2ggdGhlIGd1 ZXN0CndvdWxkIG90aGVyd2lzZSBnZXQuCgp+QW5kcmV3CgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZl bEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxt YW4vbGlzdGluZm8veGVuLWRldmVs