From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: Re: [PATCH] xen/vPMU: Do not clobber IA32_MISC_ENABLE Date: Mon, 7 Mar 2016 09:45:50 -0500 Message-ID: <56DD941E.2000008@oracle.com> References: <1457360841-28587-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1457360841-28587-1-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Andrew Cooper , Xen-devel Cc: Jan Beulich List-Id: xen-devel@lists.xenproject.org T24gMDMvMDcvMjAxNiAwOToyNyBBTSwgQW5kcmV3IENvb3BlciB3cm90ZToKPiBUaGUgVk1YIFJE TVNSIGludGVyY2VwdCBmb3IgTVNSX0lBMzJfTUlTQ19FTkFCTEUgZmFsbHMgdGhyb3VnaCBpbnRv Cj4gdnBtdV9kb19yZG1zcigpLCBzbyB0aGF0IGNvcmUyX3ZwbXVfZG9fcmRtc3IoKSBtYXkgcGxh eSB3aXRoIHRoZSBQVFMgYW5kIFBFQlMKPiBVTkFWQUlMIGJpdHMuCj4KPiBTb21lIDY0Yml0IFdp bmRvd3MgaW5jbHVkZSBJQTMyX01JU0NfRU5BQkxFIGluIHRoZSBzZXQgb2YgaXRlbXMgY2hlY2tl ZCBieQo+IFBhdGNoR3VhcmQsIGFuZCB3aWxsIHN1ZmZlciBhIEJTT0QgMHgxMDkgQ1JJVElDQUxf U1RSVUNUVVJFX0NPUlJVUFRJT04gaWYgdGhlCj4gY29udGVudHMgY2hhbmdlIG9uIG1pZ3JhdGUu Cj4KPiBUaGUgdlBNVSBpbmZyYXN0cnVjdHVyZSBzaG91bGQgbm90IGNsb2JiZXIgSUEzMl9NSVND X0VOQUJMRSBhdCBhbGwuCj4KPiBTaWduZWQtb2ZmLWJ5OiBBbmRyZXcgQ29vcGVyIDxhbmRyZXcu Y29vcGVyM0BjaXRyaXguY29tPgo+IC0tLQo+IENDOiBKYW4gQmV1bGljaCA8SkJldWxpY2hAc3Vz ZS5jb20+Cj4gQ0M6IEJvcmlzIE9zdHJvdnNreSA8Ym9yaXMub3N0cm92c2t5QG9yYWNsZS5jb20+ Cj4KPiBUaGlzIGFwcGVhcnMgdG8gaGF2ZSBiZWVuIGJyb2tlbiBzaW5jZSB0aGUgdlBNVSBjb2Rl IHdhcyBmaXJzdCBpbnRyb2R1Y2VkLiAgSXQKPiBhcHBlYXJzIHRvIGhhdmUgbHVya2VkIHRoaXMg bG9nIGR1ZSB0byBhIGhvbGUgKG5vdyBmaXhlZCkgaW4gWGVuU2VydmVycwo+IHVwZ3JhZGUgdGVz dGluZy4gIFRoZSBCU09EcyBvY2N1ciB+ODAlIG9mIHRoZSB0aW1lIG9uIFdpbiA4IHRocnUgMTAs IGJ1dAo+IGFwcGVhciB2ZXJ5IGhhcmQgdG8gcHJvdm9rZSBvbiBXaW5kb3dzIDcuCj4KPiBUaGlz IE1TUiBzdGlsbCBsZWFrcyBtb3N0bHkgaG9zdCBzdGF0ZSB0aHJvdWdoIGludG8gdGhlIGd1ZXN0 LiAgVGhlcmVmb3JlCj4gbWlncmF0aW9uIG9mIHdpbmRvd3MgaXMgc3RpbGwgbGlhYmxlIHRvIGNy YXNoIGlmIG1vdmluZyBiZXR3ZWVuIHR3bwo+IG5vbi1pZGVudGljYWwgc2VydmVycy4gIEkgbmVl ZCB0byBnZXQgcHJvcGVyIE1TUiBsZXZlbGxpbmcgc29ydGVkIGJlZm9yZSB0aGlzCj4gaXNzdWUg Y2FuIGJlIHJlc29sdmVkIGZ1bGx5Lgo+IC0tLQo+ICAgeGVuL2FyY2gveDg2L2NwdS92cG11LmMg fCAyICstCj4gICAxIGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkK Pgo+IGRpZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvY3B1L3ZwbXUuYyBiL3hlbi9hcmNoL3g4Ni9j cHUvdnBtdS5jCj4gaW5kZXggMjM3YjVmZi4uMmY5ZGRmNiAxMDA2NDQKPiAtLS0gYS94ZW4vYXJj aC94ODYvY3B1L3ZwbXUuYwo+ICsrKyBiL3hlbi9hcmNoL3g4Ni9jcHUvdnBtdS5jCj4gQEAgLTE2 OSw3ICsxNjksNyBAQCBpbnQgdnBtdV9kb19tc3IodW5zaWduZWQgaW50IG1zciwgdWludDY0X3Qg Km1zcl9jb250ZW50LAo+ICAgICAgIHJldHVybiByZXQ7Cj4gICAKPiAgICBub3A6Cj4gLSAgICBp ZiAoICFpc193cml0ZSApCj4gKyAgICBpZiAoICFpc193cml0ZSAmJiAobXNyICE9IE1TUl9JQTMy X01JU0NfRU5BQkxFKSApCj4gICAgICAgICAgICptc3JfY29udGVudCA9IDA7Cj4gICAKPiAgICAg ICByZXR1cm4gMDsKCgpUaGlzIGlzIEludGVsLXNwZWNpZmljIHJlZ2lzdGVyIHNvIHRoZSB0ZXN0 IHNob3VsZCByZWFsbHkgYmUgaGFwcGVuaW5nIAppbiB2cG11X2ludGVsLmMuIE9mIGNvdXJzZSB0 aGVuIHlvdSdkIG5lZWQgdG8gYWx3YXlzIGRlcmVmZXJlbmNlIAp2Y3B1X3ZwbXUoKSBhbmQgcG9z c2libHkgYWRkIG1vcmUgY2hlY2tzIHRvIHJlYWQvd3JpdGUgb3BzICh0byBtaXJyb3IgCnRoZSBv bmUgYXQgdGhlIHRvcCBvZiB2cG11X2RvX21zcigpKS4KClNvIG1heWJlIGF0IGxlYXN0IGhhdmUg dGhlIHZlbmRvciBjaGVjayB0b28/PwoKLWJvcmlzCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBs aXN0cy54ZW4ub3JnCmh0dHA6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=