From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Lutomirski Subject: Re: [PATCH v2 5/6] x86/xen: Add a Xen-specific sync_core() implementation Date: Fri, 2 Dec 2016 11:34:26 -0800 Message-ID: References: <0a21157c2233ba7d0781bbf07866b3f2d7e7c25d.1480638597.git.luto@kernel.org> <402ae08c-22d3-bec7-6649-26632c941a29@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <402ae08c-22d3-bec7-6649-26632c941a29@oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Boris Ostrovsky Cc: Juergen Gross , One Thousand Gnomes , Peter Zijlstra , Andrew Cooper , X86 ML , "linux-kernel@vger.kernel.org" , Matthew Whitehead , Borislav Petkov , Henrique de Moraes Holschuh , Brian Gerst , Xen-devel List List-Id: xen-devel@lists.xenproject.org T24gRGVjIDIsIDIwMTYgMTA6NDggQU0sICJCb3JpcyBPc3Ryb3Zza3kiIDxib3Jpcy5vc3Ryb3Zz a3lAb3JhY2xlLmNvbT4gd3JvdGU6Cj4KPiBPbiAxMi8wMi8yMDE2IDA2OjQ0IEFNLCBBbmRyZXcg Q29vcGVyIHdyb3RlOgo+ID4gT24gMDIvMTIvMTYgMDA6MzUsIEFuZHkgTHV0b21pcnNraSB3cm90 ZToKPiA+PiBPbiBYZW4gUFYsIENQVUlEIGlzIGxpa2VseSB0byB0cmFwLCBhbmQgWGVuIGh5cGVy Y2FsbHMgYXJlbid0Cj4gPj4gZ3VhcmFudGVlZCB0byBzZXJpYWxpemUuICAoRXZlbiBDUFVJRCBp c24ndCAqcmVhbGx5KiBndWFyYW50ZWVkIHRvCj4gPj4gc2VyaWFsaXplIG9uIFhlbiBQViwgYnV0 LCBpbiBwcmFjdGljZSwgYW55IHRyYXAgaXQgZ2VuZXJhdGVzIHdpbGwKPiA+PiBzZXJpYWxpemUu KQo+ID4gV2VsbCwgWGVuIHdpbGwgZW5hYmxlZCBDUFVJRCBGYXVsdGluZyB3aGVyZXZlciBpdCBj YW4sIHdoaWNoIGlzCj4gPiByZWFsaXN0aWNhbGx5IGFsbCBJdnlCcmlkZ2UgaGFyZHdhcmUgYW5k IG5ld2VyLgo+ID4KPiA+IEFsbCBoeXBlcmNhbGxzIGFyZSBhIHByaXZpbGVnZSBjaGFuZ2UgdG8g Y3BsMC4gIEknZCBob3BlIHRoaXMgY29uZGl0aW9uCj4gPiBpcyBzZXJpYWxpc2luZywgYnV0IEkg Y2FuJ3QgYWN0dWFsbHkgZmluZCBhbnkgZG9jdW1lbnRhdGlvbiBwcm92aW5nIG9yCj4gPiBkaXNw cm92aW5nIHRoaXMuCj4gPgo+ID4+IE9uIG15IGxhcHRvcCwgQ1BVSUQoZWF4PTEsIGVjeD0wKSBp cyB+ODNucyBhbmQgSVJFVC10by1zZWxmIGlzCj4gPj4gfjExMG5zLiAgQnV0IFhlbiBQViB3aWxs IHRyYXAgQ1BVSUQgaWYgcG9zc2libGUsIHNvIElSRVQtdG8tc2VsZgo+ID4+IHNob3VsZCBlbmQg dXAgYmVpbmcgYSBuaWNlIHNwZWVkdXAuCj4gPj4KPiA+PiBDYzogQW5kcmV3IENvb3BlciA8YW5k cmV3LmNvb3BlcjNAY2l0cml4LmNvbT4KPiA+PiBTaWduZWQtb2ZmLWJ5OiBBbmR5IEx1dG9taXJz a2kgPGx1dG9Aa2VybmVsLm9yZz4KPiA+IENDJ2luZyB4ZW4tZGV2ZWwgYW5kIHRoZSBYZW4gbWFp bnRhaW5lcnMgaW4gTGludXguCj4gPgo+ID4gQXMgdGhpcyBpcyB0aGUgb25seSBlbWFpbCBmcm9t IHRoaXMgc2VyaWVzIGluIG15IGluYm94LCBJIHdpbGwgc2F5IHRoaXMKPiA+IGhlcmUsIGJ1dCBp dCBzaG91bGQgcmVhbGx5IGJlIGFnYWluc3QgcGF0Y2ggNi4KPiA+Cj4gPiBBIHdyaXRlIHRvICVj cjIgaXMgYXBwYXJlbnRseSAoaHR0cDovL3NhbmRwaWxlLm9yZy94ODYvY29oZXJlbnQuaHRtKSBu b3QKPiA+IHNlcmlhbGlzaW5nIG9uIHRoZSA0ODYsIGJ1dCBJIGRvbid0IGhhdmUgYSBtYW51YWwg dG8gaGFuZCB0byBjaGVjay4KPiA+Cj4gPiB+QW5kcmV3Cj4gPgo+ID4+IC0tLQo+ID4+ICBhcmNo L3g4Ni94ZW4vZW5saWdodGVuLmMgfCAzNSArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKwo+ID4+ICAxIGZpbGUgY2hhbmdlZCwgMzUgaW5zZXJ0aW9ucygrKQo+ID4+Cj4gPj4gZGlm ZiAtLWdpdCBhL2FyY2gveDg2L3hlbi9lbmxpZ2h0ZW4uYyBiL2FyY2gveDg2L3hlbi9lbmxpZ2h0 ZW4uYwo+ID4+IGluZGV4IGJkZDg1NTY4NTQwMy4uMWY3NjViNDFlZWU3IDEwMDY0NAo+ID4+IC0t LSBhL2FyY2gveDg2L3hlbi9lbmxpZ2h0ZW4uYwo+ID4+ICsrKyBiL2FyY2gveDg2L3hlbi9lbmxp Z2h0ZW4uYwo+ID4+IEBAIC0zMTEsNiArMzExLDM5IEBAIHN0YXRpYyBfX3JlYWRfbW9zdGx5IHVu c2lnbmVkIGludCBjcHVpZF9sZWFmMV9lY3hfc2V0X21hc2s7Cj4gPj4gIHN0YXRpYyBfX3JlYWRf bW9zdGx5IHVuc2lnbmVkIGludCBjcHVpZF9sZWFmNV9lY3hfdmFsOwo+ID4+ICBzdGF0aWMgX19y ZWFkX21vc3RseSB1bnNpZ25lZCBpbnQgY3B1aWRfbGVhZjVfZWR4X3ZhbDsKPiA+Pgo+ID4+ICtz dGF0aWMgdm9pZCB4ZW5fc3luY19jb3JlKHZvaWQpCj4gPj4gK3sKPiA+PiArICAgIHJlZ2lzdGVy IHZvaWQgKl9fc3AgYXNtKF9BU01fU1ApOwo+ID4+ICsKPiA+PiArI2lmZGVmIENPTkZJR19YODZf MzIKPiA+PiArICAgIGFzbSB2b2xhdGlsZSAoCj4gPj4gKyAgICAgICAgICAgICJwdXNobCAlJXNz XG5cdCIKPiA+PiArICAgICAgICAgICAgInB1c2hsICUlZXNwXG5cdCIKPiA+PiArICAgICAgICAg ICAgImFkZGwgJDQsICglJWVzcClcblx0Igo+ID4+ICsgICAgICAgICAgICAicHVzaGZsXG5cdCIK PiA+PiArICAgICAgICAgICAgInB1c2hsICUlY3Ncblx0Igo+ID4+ICsgICAgICAgICAgICAicHVz aGwgJDFmXG5cdCIKPiA+PiArICAgICAgICAgICAgImlyZXRcblx0Igo+ID4+ICsgICAgICAgICAg ICAiMToiCj4gPj4gKyAgICAgICAgICAgIDogIityIiAoX19zcCkgOiA6ICJjYyIpOwo+Cj4gVGhp cyBicmVha3MgMzItYml0IFBWIGd1ZXN0cy4KPgo+IFdoeSBhcmUgd2UgcHVzaGluZyAlc3M/IFdl IGFyZSBub3QgY2hhbmdpbmcgcHJpdmlsZWdlIGxldmVscyBzbyB3aHkgbm90Cj4ganVzdCBmbGFn cywgY3MgYW5kIGVpcCAod2hpY2gsIGluY2lkZW50YWxseSwgZG9lcyB3b3JrKT8KPgoKRG9oISAg SSBjYXJlZnVsbHkgdGVzdGVkIDY0LWJpdCBvbiBYZW4gYW5kIDMyLWJpdCBpbiB1c2VyIG1vZGUu CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2 ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVu Lm9yZy94ZW4tZGV2ZWwK