From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v4 1/5] x86: allow reading MSR_IA32_TSC with XENPF_resource_op Date: Tue, 20 Jan 2015 14:31:25 +0000 Message-ID: <54BE66BD.3030809@citrix.com> References: <1421747157-29191-1-git-send-email-chao.p.peng@linux.intel.com> <1421747157-29191-2-git-send-email-chao.p.peng@linux.intel.com> <54BE35C80200007800056DD6@mail.emea.novell.com> <20150120112031.GA28428@pengc-linux.bj.intel.com> <54BE4DB90200007800056FCC@mail.emea.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <54BE4DB90200007800056FCC@mail.emea.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Jan Beulich , Chao Peng Cc: wei.liu2@citrix.com, Ian.Campbell@citrix.com, stefano.stabellini@eu.citrix.com, Ian.Jackson@eu.citrix.com, xen-devel@lists.xen.org, will.auld@intel.com, keir@xen.org List-Id: xen-devel@lists.xenproject.org T24gMjAvMDEvMTUgMTE6NDQsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDIwLjAxLjE1IGF0 IDEyOjIwLCA8Y2hhby5wLnBlbmdAbGludXguaW50ZWwuY29tPiB3cm90ZToKPj4gT24gVHVlLCBK YW4gMjAsIDIwMTUgYXQgMTA6MDI6MzJBTSArMDAwMCwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4+ PiBPbiAyMC4wMS4xNSBhdCAxMDo0NSwgPGNoYW8ucC5wZW5nQGxpbnV4LmludGVsLmNvbT4gd3Jv dGU6Cj4+Pj4gTWVtb3J5IGJhbmR3aWR0aCBtb25pdG9yaW5nIHJlcXVpcmVzIHRpbWVzdGFtcCBy ZXR1cm5lZCBhbG9uZyB3aXRoIHRoZQo+Pj4+IG1vbml0b3JpbmcgY291bnRlciB0byB2ZXJpZnkg dGhlIGNvcnJlY3RuZXNzIG9mIHRoZSBjb3VudGVyIHZhbHVlLgo+Pj4+IEFsbG93IE1TUl9JQTMy X1RTQyB0byBiZSByZWFkIGFuZCBpbmNyZWFzZSBSRVNPVVJDRV9BQ0NFU1NfTUFYX0VOVFJJRVMK Pj4+PiB0byAzLgo+Pj4gRG8geW91IHJlYWxseSBuZWVkIGFuIE1TUiBhY2Nlc3MgaGVyZSwgaS5l LiBpcyBSRFRTQyBub3QKPj4+IHN1ZmZpY2llbnQ/Cj4+IFJEVFNDIGlzIGVub3VnaC4gVGhlIHB1 cnBvc2Ugb2YgdXNpbmcgTVNSIGlzIHRvIHJldXNlIHRoZSBleGlzdGVkCj4+IFhFTl9SRVNPVVJD RV9PUF9NU1JfUkVBRCBjb21tYW5kLiBBIG5ldyBjb21tYW5kIFhFTl9SRVNPVVJDRV9PUF9UU0Nf UkVBRAo+PiAobG9va3MgbGlrZSBub3Qgc28gZ2VuZXJpYykgaXMgbmVlZGVkIElmIHVzaW5nIFJE VFNDLiBJZiBpdOKAmXMgbm90IHRoZQo+PiBpc3N1ZSwgdGhlbiBSRFRTQyBjYW4gYmUgdXNlZCBp bnN0ZWFkLgo+IEkgZG9uJ3Qgc2VlIHRoZSBuZWVkIGZvciBhIHN1Yi1vcCAtIGp1c3QgZmlsdGVy IG91dCBNU1JfSUEzMl9UU0MKPiBpbiB0aGUgZXhpc3RpbmcgTVNSIHJlYWQvd3JpdGUgY29kZSBw YXRocy4KPgo+Pj4+IC0tLSBhL3hlbi9hcmNoL3g4Ni9wbGF0Zm9ybV9oeXBlcmNhbGwuYwo+Pj4+ ICsrKyBiL3hlbi9hcmNoL3g4Ni9wbGF0Zm9ybV9oeXBlcmNhbGwuYwo+Pj4+IEBAIC02MSwxNCAr NjEsMTQgQEAgbG9uZyBjcHVfZG93bl9oZWxwZXIodm9pZCAqZGF0YSk7Cj4+Pj4gIGxvbmcgY29y ZV9wYXJraW5nX2hlbHBlcih2b2lkICpkYXRhKTsKPj4+PiAgdWludDMyX3QgZ2V0X2N1cl9pZGxl X251bXModm9pZCk7Cj4+Pj4gIAo+Pj4+IC0jZGVmaW5lIFJFU09VUkNFX0FDQ0VTU19NQVhfRU5U UklFUyAyCj4+Pj4gKyNkZWZpbmUgUkVTT1VSQ0VfQUNDRVNTX01BWF9FTlRSSUVTIDMKPj4+IE5v IC0gdGhlIGxpbWl0IG9uIHRoZSBudW1iZXIgb2YgY29uc2VjdXRpdmUgZW50cmllcyBkb2Vzbid0 IGNoYW5nZQo+Pj4gYmVjYXVzZSBvZiB5b3VyIGFkZGl0aW9uIG9mIGFub3RoZXIgTVNSLiBBY3R1 YWwgYmF0Y2hpbmcgaXMgdG8gYmUKPj4+IGRvbmUgdmlhIG11bHRpY2FsbHMsIHRoZSBtdWx0aS1l bnRyeSByZXF1ZXN0cyBoZXJlIGFyZSBtZWFudCB0byBiZQo+Pj4gdXNlZCBmb3Igc3VjY2Vzc2l2 ZSBvcGVyYXRpb25zIHRoYXQgX211c3RfIGJlIGlzc3VlZCB3aXRob3V0Cj4+PiBwcmVlbXB0aW9u IChlLmcuIGFuIE1TUiB3cml0ZSBuZWVkZWQgZm9yIGEgc3VjY2Vzc2l2ZSByZWFkKS4KPj4+Cj4+ IFlvdSByZW1pbmQgbWUgdGhhdCB0aGUgcmVxdWlyZW1lbnQgaGVyZSBpcyBtb3JlIHRoYW4gIndp dGhvdXQKPj4gcHJlZW1wdGlvbiIsIGlkZWFsbHkgdGhlIGV4YWN0IHRpbWVzdGFtcCB0aGUgbW9t ZW50IHRoYXQgdGhlIGNvdW50ZXIKPj4gYmVpbmcgcmVhZCBzaG91bGQgYmUgcmV0dXJuZWQsIHdo aWNoIGlzIHVzZWQgYnkgdXNlZCBzcGFjZSB0byBjYWxjdWxhdGUKPj4gdGhlIHRpbWUgZWxhcHNl ZCBiZXR3ZWVuIHR3byBzYW1wbGluZ3MuICBTbyB0aGUgTVNSIHJlYWQgYW5kIFRTQwo+PiByZWFk IHNob3VsZCBiZSBhdG9taWMsIHdoaWNoIG1lYW5zLCAxKSBwcmVlbXB0aW9uIHNob3VsZCBub3Qg aGFwcGVuLAo+PiAyKSBpbnRlcnJ1cHQgc2hvdWxkIGJlIGRpc2FibGVkLiBTb3VuZHMgbW9yZSBj b21wbGV4IGFzIHdlIGhhdmUgbm8gZXhpc3RlZAo+PiB3YXkgdG8gZGlzYWJsZSBpbnRlcnJ1cHQs IHVzaW5nIGJhY2stdG8tYmFjayBmbGFnIGFnYWluPwo+IFllYWgsIGluIHRoYXQgY2FzZSBwYWly aW5nIHRoZSBhY2Nlc3Mgd291bGQgYmUgbmVjZXNzYXJ5LiBBbmQKPiB3ZSBoYXZlIGEgcnN2ZCBm aWVsZCBpbiBzdHJ1Y3QgeGVucGZfcmVzb3VyY2VfZW50cnksIHdoaWNoIHlvdQo+IGNvdWxkIHVz ZSB0byByZXF1ZXN0IElSUSBkaXNhYmxpbmcgYWNyb3NzIHRoZSBwYWlyIG9mIGFjY2Vzc2VzLgoK SW4gdGVybXMgb2YgdGhlIGFjdHVhbCB0aW1lIG1lYXN1cmVtZW50LCB3b3VsZCBpdCBub3QgYmUg YmV0dGVyIHRvIHVzZQpOT1coKSBpbnN0ZWFkPyAgVGhhdCB3aWxsIGFsbG93IHlvdSB0byBnZXQg YWxyZWFkeS1zY2FsZWQgbnMgaW5zdGVhZCBvZgpoYXZpbmcgdG8gaW50ZXJwcmV0IHJhdyB0c2Mg dmFsdWVzLgoKfkFuZHJldwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpo dHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK