From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2 5/7] xen/arm32: Invalidate BTB on guest exit for Cortex A17 and 12 Date: Wed, 31 Jan 2018 17:39:58 +0000 Message-ID: <0d5cb50f-45b5-ec4b-7d99-b7c19a56d57c@linaro.org> References: <20180131165334.23175-1-julien.grall@arm.com> <20180131165334.23175-6-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: Stefano Stabellini Cc: Marc Zyngier , andre.przywara@linaro.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org CgpPbiAzMS8wMS8xOCAxNzozOSwgU3RlZmFubyBTdGFiZWxsaW5pIHdyb3RlOgo+IE9uIFdlZCwg MzEgSmFuIDIwMTgsIEp1bGllbiBHcmFsbCB3cm90ZToKPj4gSGksCj4+Cj4+IE9uIDMxLzAxLzE4 IDE2OjUzLCBKdWxpZW4gR3JhbGwgd3JvdGU6Cj4+PiArR0xPQkFMKGh5cF90cmFwc192ZWN0b3Jf YnBfaW52KQo+Pj4gKyAgICAgICAgLyoKPj4+ICsgICAgICAgICAqIFdlIGVuY29kZSB0aGUgZXhj ZXB0aW9uIGVudHJ5IGluIHRoZSBib3R0b20gMyBiaXRzIG9mCj4+PiArICAgICAgICAgKiBTUCwg YW5kIHdlIGhhdmUgdG8gZ3VhcmFudGVlIHRvIGJlIDggYnl0ZXMgYWxpZ25lZC4KPj4+ICsgICAg ICAgICAqLwo+Pj4gKyAgICAgICAgYWRkIHNwLCBzcCwgIzEgICAgICAgICAgICAgICAgICAvKiBS ZXNldCAgICAgICAgICAgIDcgKi8KPj4+ICsgICAgICAgIGFkZCBzcCwgc3AsICMxICAgICAgICAg ICAgICAgICAgLyogVW5kZWYgICAgICAgICAgICA2ICovCj4+PiArICAgICAgICBhZGQgc3AsIHNw LCAjMSAgICAgICAgICAgICAgICAgIC8qIEh5cGVydmlzb3IgQ2FsbCAgNSAqLwo+Pj4gKyAgICAg ICAgYWRkIHNwLCBzcCwgIzEgICAgICAgICAgICAgICAgICAvKiBQcmVmZXRjaCBhYm9ydCAgIDQg Ki8KPj4+ICsgICAgICAgIGFkZCBzcCwgc3AsICMxICAgICAgICAgICAgICAgICAgLyogRGF0YSBh Ym9ydCAgICAgICAzICovCj4+PiArICAgICAgICBhZGQgc3AsIHNwLCAjMSAgICAgICAgICAgICAg ICAgIC8qIEh5cGVydmlzb3IgICAgICAgMiAqLwo+Pj4gKyAgICAgICAgYWRkIHNwLCBzcCwgIzEg ICAgICAgICAgICAgICAgICAvKiBJUlEgICAgICAgICAgICAgIDEgKi8KPj4+ICsgICAgICAgIG5v cCAgICAgICAgICAgICAgICAgICAgICAgICAgICAgLyogRklRICAgICAgICAgICAgICAwICovCj4+ PiArCj4+PiArICAgICAgICBtY3IJcDE1LCAwLCByMCwgYzcsIGM1LCA2CSAgICAvKiBCUElBTEwg Ki8KPj4+ICsgICAgICAgIGlzYgo+Pj4gKwo+Pj4gKyAgICAgICAgLyoKPj4+ICsgICAgICAgICAq IEFzIHdlIGNhbm5vdCB1c2UgYW55IHRlbXBvcmFyeSByZWdpc3RlcnMgYW5kIGNhbm5vdAo+Pj4g KyAgICAgICAgICogY2xvYmJlciBTUCwgd2UgY2FuIGRlY29kZSB0aGUgZXhjZXB0aW9uIGVudHJ5 IHVzaW5nCj4+PiArICAgICAgICAgKiBhbiB1bnJvbGxlZCBiaW5hcnkgc2VhcmNoLgo+Pj4gKyAg ICAgICAgICovCj4+PiArICAgICAgICB0c3Qgc3AsICM0Cj4+PiArICAgICAgICBibmUgMWYKPj4+ ICsKPj4+ICsgICAgICAgIHRzdCBzcCwgIzIKPj4+ICsgICAgICAgIGJuZSAzZgo+Pj4gKwo+Pj4g KyAgICAgICAgdHN0IHNwLCAjMQo+Pj4gKyAgICAgICAgYmljIHNwLCBzcCwgIzB4Nwo+Pj4gKyAg ICAgICAgYm5lIHRyYXBfaXJxCj4+PiArICAgICAgICBiICAgdHJhcF9maXEKPj4+ICsKPj4+ICsx Ogo+Pj4gKyAgICAgICAgdHN0IHNwLCAjMgo+Pj4gKyAgICAgICAgYm5lIDJmCj4+PiArCj4+PiAr ICAgICAgICB0c3Qgc3AsICMxCj4+PiArICAgICAgICBiaWMgc3AsIHNwLCAjMHg3Cj4+PiArICAg ICAgICBibmUgdHJhcF9oeXBlcnZpc29yX2NhbGwKPj4+ICsgICAgICAgIGIgICB0cmFwX3ByZWZl dGNoX2Fib3J0Cj4+PiArCj4+PiArMjoKPj4+ICsgICAgICAgIHRzdCBzcCwgIzEKPj4+ICsgICAg ICAgIGJpYyBzcCwgc3AsICMweDcKPj4+ICsgICAgICAgIGJuZSB0cmFwX3Jlc2V0Cj4+PiArICAg ICAgICBiICAgdHJhcF91bmRlZmluZWRfaW5zdHJ1Y3Rpb24KPj4+ICsKPj4+ICszOgo+Pj4gKyAg ICAgICAgdHN0IHNwLCAjMQo+Pj4gKyAgICAgICAgYmljIHNwLCBzcCwgIzB4Nwo+Pj4gKyAgICAg ICAgYm5lIHRyYXBfZGF0YV9hYm9ydAo+Pj4gKyAgICAgICAgYiAgIHRyYXBfZ3Vlc3Rfc3luYwo+ Pgo+PiBKdXN0IGFmdGVyIEkgaGl0IHRoZSBzZW50IGJ1dHRvbiBNYXJjIHBvaW50ZWQgbWUgdG8g YSBkaXNjdXNzaW9uIG9uIExpbnV4IE1MCj4+IFsxXS4KPj4KPj4gVGhleSBmb3VuZCBhIHNvbHV0 aW9uIHdoaWNoIHdvdWxkIHN0cmVhbWxpbmUgdGhlIGNvZGUsIGltcHJvdmUgdGhlIHJlYWRhYmls aXR5Cj4+IGFuZCBwcmlvcml0aXplIGV4Y2VwdGlvbi4KPj4KPj4gSSB3b3VsZCBiZSB0ZW1wdCB0 byB1c2UgYSBzaW1pbGFyIHNvbHV0aW9uIG9uIFhlbi4gU3RlZmFubywgZG8geW91IGhhdmUgYW55 Cj4+IG9waW5pb25zPyBTaGFsbCBJIHJlc3BpbiB0aGUgc2VyaWVzIG9yIGRvIGEgZm9sbG93LXVw Pwo+ICAgCj4gWW91IGZvcmdvdCB0aGUgbGluayA6LSkKPiBJIHByZWZlciBpZiB5b3UgcmVzcGlu LCBiZWNhdXNlIGl0IGlzIGdvaW5nIHRvIG1ha2UgdGhlIGJhY2twb3J0cwo+IHNsaWdodGx5IGVh c2llci4KCkhlcmUgdGhlIGxpbms6CgpodHRwczovL3d3dy5zcGluaWNzLm5ldC9saXN0cy9hcm0t a2VybmVsL21zZzYzMTg2MC5odG1sCgpDaGVlcnMsCgotLSAKSnVsaWVuIEdyYWxsCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGlu ZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnBy b2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs