From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH RFC] x86/emulate: implement hvmemul_cmpxchg() with an actual CMPXCHG Date: Tue, 28 Mar 2017 04:44:44 -0600 Message-ID: <58DA5ABC0200007800148FFC@prv-mh.provo.novell.com> References: <1490361899-18303-1-git-send-email-rcojocaru@bitdefender.com> <58DA510A0200007800148F6F@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: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper Cc: paul.durrant@citrix.com, Razvan Cojocaru , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDI4LjAzLjE3IGF0IDEyOjI1LCA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4gd3Jv dGU6Cj4gT24gMjgvMDMvMTcgMTE6MDMsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+PiBPbiAyOC4w My4xNyBhdCAxMToxNCwgPHJjb2pvY2FydUBiaXRkZWZlbmRlci5jb20+IHdyb3RlOgo+Pj4gSSdt IG5vdCBzdXJlIHRoYXQgdGhlIFJFVFJZIG1vZGVsIGlzIHdoYXQgdGhlIGd1ZXN0IE9TIGV4cGVj dHMuIEFGQUlLLCBhCj4+PiBmYWlsZWQgQ01QWENIRyBzaG91bGQgaGFwcGVuIGp1c3Qgb25jZSwg d2l0aCB0aGUgcHJvcGVyIHJlZ2lzdGVycyBhbmQgWkYKPj4+IHNldC4gVGhlIGd1ZXN0IHN1cmVs eSBleHBlY3RzIG5laXRoZXIgdGhhdCB0aGUgaW5zdHJ1Y3Rpb24gcmVzdW1lIHVudGlsCj4+PiBp dCBzdWNjZWVkcywgbm9yIHRoYXQgc29tZSBoaWRkZW4gbG9vcCBnb2VzIG9uIGZvciBhbiB1bmRl dGVybWluYXRlCj4+PiBhbW1vdW50IG9mIHRpbWUgdW50aWwgYSBDTVBYQ0hHIHN1Y2NlZWRzLgo+ PiBUaGUgZ3Vlc3QgZG9lc24ndCBvYnNlcnZlIHRoZSBDTVBYQ0hHIGZhaWxpbmcgLSBSRVRSWSBs ZWFkcyB0bwo+PiB0aGUgaW5zdHJ1Y3Rpb24gYmVpbmcgcmVzdGFydGVkIGluc3RlYWQgb2YgY29t cGxldGVkLgo+IAo+IEFuZCB0aGlzIHByb2JhYmx5IGlzIHRoZSByb290IG9mIHRoZSBwcm9ibGVt LiAgQ01QWENIRyBvbiBhIGNvbnRlbmRlZAo+IGxvY2F0aW9uIHNob3VsZCBiZSBvYnNlcnZlZCB0 byBmYWlsIGZyb20gdGhlIGd1ZXN0cyBwb2ludCBvZiB2aWV3LgoKT29wcyAtIG15IHJlcGx5IHdh cyBpbXByZWNpc2U6IEEgX2d1ZXN0XyBDTVBYQ0hHIHdvdWxkIG9mCmNvdXJzZSBiZSBvYnNlcnZl ZCB0byBoYXZlIGZhaWxlZCBieSB0aGUgZ3Vlc3QuIFVzIHVzaW5nCkNNUFhDSEcgdG8gY2Fycnkg b3V0IHNvbWUgb3RoZXIgYXRvbWljIG9wIHdvdWxkbid0LgoKPj4+IFRoZSBwaWN0dXJlIGlzIGZ1 cnRoZXIgY29tcGxpY2F0ZWQgYnkgdGhlIHR3by1wYXJ0IGhhbmRsaW5nIG9mCj4+PiBpbnN0cnVj dGlvbnMgaW4geDg2X2VtdWxhdGUoKS4gRm9yIGV4YW1wbGUsIGZvciBDTVBYQ0hHIHdlIGhhdmU6 Cj4+PiBbLi4uXQo+Pj4gSSBub3cgc2VlIHRoYXQgdGhpcyBpcyB3aHkgdXNpbmcgYSBzcGlubG9j ayBvbmx5IGFyb3VuZCB0aGUgd3JpdGViYWNrCj4+PiBwYXJ0IGRpZCBub3Qgc29sdmUgdGhlIGlz c3VlOiBib3RoIHRoZSBjb21wYXJlIHBhcnQgYW5kIHRoZSB3cml0ZWJhY2sKPj4+IHBhcnQgbmVl ZCB0byBiZSBwYXJ0IG9mIHRoZSBzYW1lIGF0b21pYyBvcGVyYXRpb24gLSBsb2NrIG5lZWRzIHRv IGJlCj4+PiBhcXVpcmVkIGJlZm9yZSB0aGUgY21wIC8gWkYgcGFydC4KPj4gTm8gZXhhY3RseTog Uk1XIGluc25zIHJlcXVpcmUgdGhlIGxvY2sgdG8gYmUgYWNxdWlyZWQgYWhlYWQgb2YKPj4gdGhl IG1lbW9yeSByZWFkLCBhbmQgZHJvcHBlZCBhZnRlciB0aGUgbWVtb3J5IHdyaXRlLgo+Pgo+Pj4g T3BpbmlvbnMgYW5kIHN1Z2dlc3Rpb25zIGFyZSBhcHByZWNpYXRlZC4gSWYgSSdtIG5vdCBtaXN0 YWtlbiwgaXQgbG9va3MKPj4+IGxpa2UgdGhlIHNtcF9sb2NrIGRlc2lnbiBpcyB0aGUgYmV0dGVy IHNvbHV0aW9uIHRvIHRoZSBwcm9ibGVtLgo+PiBBbmRyZXcgaGFzIHRvbGQgbWUgdGhhdCB0aGUg cmUtd29yayBvZiBob3cgd2UgZG8gbWVtb3J5IGFjY2Vzc2VzCj4+IGluIHRoZSBlbXVsYXRvciBp cyBwcmV0dHkgaGlnaCBvbiBoaXMgcHJpb3JpdHkgbGlzdCBub3cuIFdoZXRoZXIgd2UnZAo+PiB3 YW50IHRvIGludHJvZHVjZSBhbiBpbnRlcmltIHNvbHV0aW9uIHRoZXJlZm9yZSBkZXBlbmRzIG9u IHRoZSB0aW1lCj4+IHNjYWxlIHRvIHBvc3NpYmx5IHJlYWNoIHRoZSBvbmx5IHVsdGltYXRlbHkg Y29ycmVjdCBzb2x1dGlvbiAobm8gbG9uZ2VyCj4+IGFjdGluZyBvbiBpbnRlcm1lZGlhdGUgY29w aWVzIG9mIHRoZSBkYXRhIGNvbWluZyBmcm9tIGd1ZXN0IG1lbW9yeSwKPj4gd2hpY2ggaXMgb25s eSBjb3JyZWN0IGZvciBwbGFpbiByZWFkcyBhbmQgcGxhaW4gd3JpdGVzKS4KPiAKPiBUaGlzIHJl LWVuZm9yY2VzIG15IG9waW5pb24gdGhhdCBtYXBwaW5nIHRoZSBkZXN0aW5hdGlvbiBhbmQgcG9p bnRpbmcgYQo+IHN0dWIgYXQgdGhlIG1hcHBpbmcgaXMgdGhlIG9ubHkgdmlhYmxlIG9wdGlvbi4K CldlbGwsIHlvdSByZS1zdGF0ZSB3aGF0IEkgd2FzIHNheWluZy4KCkphbgoKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxp c3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZl bAo=