From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [for-4.7] x86/emulate: synchronize LOCKed instruction emulation Date: Thu, 14 Apr 2016 16:45:07 +0100 Message-ID: <570FBB03.6090908@citrix.com> References: <1460550374-4344-1-git-send-email-rcojocaru@bitdefender.com> <570F725F.2030209@citrix.com> <570F827F.2060401@bitdefender.com> <570FC7E002000078000E67BB@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <570FC7E002000078000E67BB@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich , rcojocaru@bitdefender.com Cc: wei.liu2@citrix.com, george.dunlap@eu.citrix.com, tim@xen.org, ian.jackson@eu.citrix.com, xen-devel@lists.xen.org, paul.durrant@citrix.com, david.vrabel@citrix.com, keir@xen.org List-Id: xen-devel@lists.xenproject.org T24gMTQvMDQvMTYgMTY6NDAsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IFJhenZhbiBDb2pvY2Fy dSA8cmNvam9jYXJ1QGJpdGRlZmVuZGVyLmNvbT4gMDQvMTQvMTYgMTo0MyBQTSA+Pj4KPj4gT24g MDQvMTQvMjAxNiAwMTozNSBQTSwgRGF2aWQgVnJhYmVsIHdyb3RlOgo+Pj4gT24gMTMvMDQvMTYg MTM6MjYsIFJhenZhbiBDb2pvY2FydSB3cm90ZToKPj4+PiBMT0NLLXByZWZpeGVkIGluc3RydWN0 aW9ucyBhcmUgY3VycmVubHkgYWxsb3dlZCB0byBydW4gaW4gcGFyYWxsZWwKPj4+PiBpbiB4ODZf ZW11bGF0ZSgpLCB3aGljaCBjYW4gbGVhZCB0aGUgZ3Vlc3QgaW50byBhbiB1bmRlZmluZWQgc3Rh dGUuCj4+Pj4gVGhpcyBwYXRjaCBmaXhlcyB0aGUgaXNzdWUuCj4+PiBJcyB0aGlzIHN1ZmZpY2ll bnQ/ICBXaGF0IGlmIGFub3RoZXIgVkNQVSBpcyBydW5uaW5nIG9uIGFub3RoZXIgUENQVSBhbmQK Pj4+IGRvaW5nIGFuIHVuZW11bGF0ZWQgTE9DSy1wcmVmaXhlZCBpbnN0cnVjdGlvbiB0byB0aGUg c2FtZSBtZW1vcnkgYWRkcmVzcz8KPj4+Cj4+PiBUaGlzIG90aGVyIFZDUFUgY291bGQgYmUgZm9y IGFub3RoZXIgZG9tYWluIChvciBYZW4gZm9yIHRoYXQgbWF0dGVyKS4KPj4gVGhlIHBhdGNoIGlz IG9ubHkgc3VmZmljaWVudCBmb3IgcGFyYWxsZWwgcnVucyBvZiBlbXVsYXRlZCBpbnN0cnVjdGlv bnMsCj4+IGFzIHByZXZpb3VzbHkgc3RhdGVkLiBJdCBpcywgaG93ZXZlciwgYWJsZSB0byBwcmV2 ZW50IG5hc3R5IGd1ZXN0IGxvY2t1cHMuCj4+Cj4+IFRoaXMgaXMgd2hhdCBoYXBwZW5lZCBpbiBh IHByZXZpb3VzIHRocmVhZCB3aGVyZSBJIHdhcyBodW50aW5nIGRvd24gdGhlCj4+IGlzc3VlIGFu ZCBpbml0aWFsbHkgdGhvdWdodCB0aGF0IHRoZSB4ZW4tYWNjZXNzLmMgbW9kZWwgd2FzIGJyb2tl biB3aGVuCj4+IHVzZWQgd2l0aCBlbXVsYXRpb24sIGFuZCBldmVuIHByb2NlZWRlZCB0byBjaGVj ayB0aGF0IHRoZSByaW5nIGJ1ZmZlcgo+PiBtZW1vcnkgYWNjZXNzZXMgYXJlIHN5bmNocm9uaXpl ZCBwcm9wZXJseS4gVGhleSB3ZXJlIGFscmlnaHQsIHRoZQo+PiBwcm9ibGVtIHdhcyBpbiBmYWN0 IExPQ0tlZCBpbnN0cnVjdGlvbiBlbXVsYXRpb24gaGFwcGVuaW5nIGluIHBhcmFsbGVsLAo+PiBp LmUuIGEgcmFjZSBjb25kaXRpb24gdGhlcmUuCj4+Cj4+IFRoaXMgaXMgbGVzcyBvYnZpb3VzIGlm IHdlIHNpZ25hbCB0aGF0IHZtX2V2ZW50IHJlc3BvbnNlcyBhcmUgYXZhaWxhYmxlCj4+IGltbWVk aWF0ZWx5IGFmdGVyIHByb2Nlc3NpbmcgZWFjaCBvbmUgKHdoaWNoIGdyZWF0bHkgcmVkdWNlcyB0 aGUgY2hhbmNlcwo+PiBvZiBhIHJhY2UgaGFwcGVuaW5nKSwgYW5kIG1vcmUgb2J2aW91cyB3aXRo IGd1ZXN0cyB0aGF0IGhhdmUgMiAob3IgbW9yZSkKPj4gVkNQVXMgd2hlcmUgYWxsIG9mIHRoZW0g YXJlIHBhdXNlZCB3YWl0aW5nIGZvciBhIHZtX2V2ZW50IHJlcGx5LCBhbmQgYWxsCj4+IG9mIHRo ZW0gYXJlIHdva2VuIHVwIGF0IHRoZSBzYW1lIHRpbWUsIGFmdGVyIHByb2Nlc3NpbmcgYWxsIG9m IHRoZQo+PiBldmVudHMsIGFuZCBhc2tlZCB0byBlbXVsYXRlLgo+Pgo+PiBJIGRvIGJlbGlldmUg dGhhdCBzb21ld2hlcmUgaW4gWGVuIGVtdWxhdGluZyBpbiB0aGlzIG1hbm5lciBjb3VsZCBvY2N1 ciwKPj4gc28gSSBob3BlIHRvIG1ha2UgZW11bGF0aW9uIGdlbmVyYWxseSBzYWZlci4KPj4KPj4g QXMgZm9yIG5vdCBmaXhpbmcgdGhlIF93aG9sZV8gaXNzdWUsIGFzIEphbiBoYXMgcmlnaHRseSBw b2ludGVkIG91dCwKPj4gdGhhdCdzIGEgcmF0aGVyIGRpZmZpY3VsdCB0aGluZyB0byBkby4KPiBU byBiZSBob25lc3QsIGp1c3QgaGF2aW5nIHJlbWVtYmVyZWQgdGhhdCB3ZSBkbyB0aGUgd3JpdGUg YmFjayBmb3IgbG9ja2VkCj4gaW5zdHJ1Y3Rpb25zIHVzaW5nIENNUFhDSEcsIEknZCBmaXJzdCBv ZiBhbGwgbGlrZSB0byBzZWUgYSBwcm9wZXIgZGVzY3JpcHRpb24KPiBvZiAidGhlIF93aG9sZV8g aXNzdWUiLgoKQWxsIGVtdWxhdGVkIGluc3RydWN0aW9ucyB3aXRoIGEgbG9jayBwcmVmaXggZW5k IHVwIGNhbGxpbmcgaW50bwpodm1lbXVsX2NtcHhjaGcoKQoKSSBzdXNwZWN0IHRoZSBpc3N1ZSBp cyB0byBkbyB3aXRoIHRoZSBpbXBsZW1lbnRhdGlvbiBvZgpodm1lbXVsX2NtcHhjaGcoKSwgd2hp Y2ggY29udGFpbnMgYSBUT0RPIGZyb20gMjAwOCBvZgoKLyogRml4IHRoaXMgaW4gY2FzZSB0aGUg Z3Vlc3QgaXMgcmVhbGx5IHJlbHlpbmcgb24gci1tLXcgYXRvbWljaXR5LiAqLwoKd2hpY2gsIGFt b25nc3Qgb3RoZXIgdGhpbmdzLCBuZXZlciB1cGRhdGVzICpwX29sZC4KCgpTaG9ydCBvZiBoYXZp bmcgdGhlIGluc3RydWN0aW9uIGVtdWxhdG9yIGNvbnZlcnQgYW55IGxvY2tlZCBpbnN0cnVjdGlv bgppbnRvIGEgc3R1YiwgSSBjYW4ndCB0aGluayBvZiBhIHNvbHV0aW9uIHdoaWNoIHdvcmtzIGZv ciBib3RoIGVtdWxhdGVkCmFuZCBub24tZW11bGF0ZWQgaW5zdHJ1Y3Rpb25zLgoKfkFuZHJldwoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVs IG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9y Zy94ZW4tZGV2ZWwK