From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH v3] x86/amd: don't set X86_BUG_SYSRET_SS_ATTRS when running under Xen Date: Fri, 5 May 2017 12:02:02 -0400 Message-ID: <4e6a3981-97c8-c628-03c2-444c06c559d6@oracle.com> References: <20170427050120.6894-1-jgross@suse.com> <9c435a66-f8b1-5250-f3bf-cfada84d3d97@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d6fgc-00021p-Ll for xen-devel@lists.xenproject.org; Fri, 05 May 2017 16:02:30 +0000 In-Reply-To: <9c435a66-f8b1-5250-f3bf-cfada84d3d97@suse.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Juergen Gross , linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, x86@kernel.org Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com List-Id: xen-devel@lists.xenproject.org T24gMDUvMDUvMjAxNyAwMTowOSBBTSwgSnVlcmdlbiBHcm9zcyB3cm90ZToKPiBBbnkgY29tbWVu dHM/Cj4KPgo+IEp1ZXJnZW4KPgo+IE9uIDI3LzA0LzE3IDA3OjAxLCBKdWVyZ2VuIEdyb3NzIHdy b3RlOgo+PiBXaGVuIHJ1bm5pbmcgYXMgWGVuIHB2IGd1ZXN0IFg4Nl9CVUdfU1lTUkVUX1NTX0FU VFJTIG11c3Qgbm90IGJlIHNldAo+PiBvbiBBTUQgY3B1cy4KPj4KPj4gVGhpcyBidWcvZmVhdHVy ZSBiaXQgaXMga2luZCBvZiBzcGVjaWFsIGFzIGl0IHdpbGwgYmUgdXNlZCB2ZXJ5IGVhcmx5Cj4+ IHdoZW4gc3dpdGNoaW5nIHRocmVhZHMuIFNldHRpbmcgdGhlIGJpdCBhbmQgY2xlYXJpbmcgaXQg YSBsaXR0bGUgYml0Cj4+IGxhdGVyIGxlYXZlcyBhIGNyaXRpY2FsIHdpbmRvdyB3aGVyZSB0aGlu Z3MgY2FuIGdvIHdyb25nLiBUaGlzIHRpbWUKPj4gd2luZG93IGhhcyBlbmxhcmdlZCBhIGxpdHRs ZSBiaXQgYnkgdXNpbmcgc2V0dXBfY2xlYXJfY3B1X2NhcCgpIGluc3RlYWQKPj4gb2YgdGhlIGh5 cGVydmlzb3IncyBzZXRfY3B1X2ZlYXR1cmVzIGNhbGxiYWNrLiBJdCBzZWVtcyB0aGlzIGxhcmdl cgo+PiB3aW5kb3cgbm93IG1ha2VzIGl0IHJhdGhlciBlYXN5IHRvIGhpdCB0aGUgcHJvYmxlbS4K Pj4KPj4gVGhlIHByb3BlciBzb2x1dGlvbiBpcyB0byBuZXZlciBzZXQgdGhlIGJpdCBpbiBjYXNl IG9mIFhlbi4KCkZXSVcsCgpSZXZpZXdlZC1ieTogQm9yaXMgT3N0cm92c2t5IDxib3Jpcy5vc3Ry b3Zza3lAb3JhY2xlLmNvbT4KCgoKPj4KPj4gU2lnbmVkLW9mZi1ieTogSnVlcmdlbiBHcm9zcyA8 amdyb3NzQHN1c2UuY29tPgo+PiAtLS0KPj4gIGFyY2gveDg2L2tlcm5lbC9jcHUvYW1kLmMgICB8 IDUgKysrLS0KPj4gIGFyY2gveDg2L3hlbi9lbmxpZ2h0ZW5fcHYuYyB8IDEgLQo+PiAgMiBmaWxl cyBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4+Cj4+IGRpZmYgLS1n aXQgYS9hcmNoL3g4Ni9rZXJuZWwvY3B1L2FtZC5jIGIvYXJjaC94ODYva2VybmVsL2NwdS9hbWQu Ywo+PiBpbmRleCBjMzYxNDBkNzg4ZmUuLmI2ZGE2ZTc1ZTNhOCAxMDA2NDQKPj4gLS0tIGEvYXJj aC94ODYva2VybmVsL2NwdS9hbWQuYwo+PiArKysgYi9hcmNoL3g4Ni9rZXJuZWwvY3B1L2FtZC5j Cj4+IEBAIC03OTksOCArNzk5LDkgQEAgc3RhdGljIHZvaWQgaW5pdF9hbWQoc3RydWN0IGNwdWlu Zm9feDg2ICpjKQo+PiAgCQlpZiAoY3B1X2hhcyhjLCBYODZfRkVBVFVSRV8zRE5PVykgfHwgY3B1 X2hhcyhjLCBYODZfRkVBVFVSRV9MTSkpCj4+ICAJCQlzZXRfY3B1X2NhcChjLCBYODZfRkVBVFVS RV8zRE5PV1BSRUZFVENIKTsKPj4gIAo+PiAtCS8qIEFNRCBDUFVzIGRvbid0IHJlc2V0IFNTIGF0 dHJpYnV0ZXMgb24gU1lTUkVUICovCj4+IC0Jc2V0X2NwdV9idWcoYywgWDg2X0JVR19TWVNSRVRf U1NfQVRUUlMpOwo+PiArCS8qIEFNRCBDUFVzIGRvbid0IHJlc2V0IFNTIGF0dHJpYnV0ZXMgb24g U1lTUkVULCBYZW4gZG9lcy4gKi8KPj4gKwlpZiAoIWNwdV9oYXMoYywgWDg2X0ZFQVRVUkVfWEVO UFYpKQo+PiArCQlzZXRfY3B1X2J1ZyhjLCBYODZfQlVHX1NZU1JFVF9TU19BVFRSUyk7Cj4+ICB9 Cj4+ICAKPj4gICNpZmRlZiBDT05GSUdfWDg2XzMyCj4+IGRpZmYgLS1naXQgYS9hcmNoL3g4Ni94 ZW4vZW5saWdodGVuX3B2LmMgYi9hcmNoL3g4Ni94ZW4vZW5saWdodGVuX3B2LmMKPj4gaW5kZXgg YTFhZjRmNjgyNzhmLi5kY2ZkMDdmYWYxYzMgMTAwNjQ0Cj4+IC0tLSBhL2FyY2gveDg2L3hlbi9l bmxpZ2h0ZW5fcHYuYwo+PiArKysgYi9hcmNoL3g4Ni94ZW4vZW5saWdodGVuX3B2LmMKPj4gQEAg LTI5MCw3ICsyOTAsNiBAQCBzdGF0aWMgYm9vbCBfX2luaXQgeGVuX2NoZWNrX3hzYXZlKHZvaWQp Cj4+ICAKPj4gIHN0YXRpYyB2b2lkIF9faW5pdCB4ZW5faW5pdF9jYXBhYmlsaXRpZXModm9pZCkK Pj4gIHsKPj4gLQlzZXR1cF9jbGVhcl9jcHVfY2FwKFg4Nl9CVUdfU1lTUkVUX1NTX0FUVFJTKTsK Pj4gIAlzZXR1cF9mb3JjZV9jcHVfY2FwKFg4Nl9GRUFUVVJFX1hFTlBWKTsKPj4gIAlzZXR1cF9j bGVhcl9jcHVfY2FwKFg4Nl9GRUFUVVJFX0RDQSk7Cj4+ICAJc2V0dXBfY2xlYXJfY3B1X2NhcChY ODZfRkVBVFVSRV9BUEVSRk1QRVJGKTsKPj4KCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0 cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK