From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yu Zhang Subject: Re: [PATCH v5 4/4] x86/ioreq server: Reset outstanding p2m_ioreq_server entries when an ioreq server unmaps. Date: Tue, 9 Aug 2016 18:21:09 +0800 Message-ID: <57A9AE95.9050300@linux.intel.com> References: <1468314129-28465-1-git-send-email-yu.c.zhang@linux.intel.com> <1468314129-28465-5-git-send-email-yu.c.zhang@linux.intel.com> <57A8CF860200007800103EFF@prv-mh.provo.novell.com> <57A988C3.6010302@linux.intel.com> <57A9ACB20200007800104173@prv-mh.provo.novell.com> <57A9A171.7070401@linux.intel.com> <57A9C2710200007800104216@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <57A9C2710200007800104216@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich Cc: Kevin Tian , George Dunlap , Andrew Cooper , xen-devel@lists.xen.org, Paul Durrant , zhiyuan.lv@intel.com, Jun Nakajima List-Id: xen-devel@lists.xenproject.org CgpPbiA4LzkvMjAxNiA1OjQ1IFBNLCBKYW4gQmV1bGljaCB3cm90ZToKPj4+PiBPbiAwOS4wOC4x NiBhdCAxMToyNSwgPHl1LmMuemhhbmdAbGludXguaW50ZWwuY29tPiB3cm90ZToKPj4gT24gOC85 LzIwMTYgNDoxMyBQTSwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4+PiBPbiAwOS4wOC4xNiBhdCAw OTozOSwgPHl1LmMuemhhbmdAbGludXguaW50ZWwuY29tPiB3cm90ZToKPj4+PiBPbiA4LzkvMjAx NiAxMjoyOSBBTSwgSmFuIEJldWxpY2ggd3JvdGU6Cj4+Pj4+Pj4+IE9uIDEyLjA3LjE2IGF0IDEx OjAyLCA8eXUuYy56aGFuZ0BsaW51eC5pbnRlbC5jb20+IHdyb3RlOgo+Pj4+Pj4gQEAgLTU1MTIs NiArNTUxMywxMiBAQCBzdGF0aWMgaW50IGh2bW9wX3NldF9tZW1fdHlwZSgKPj4+Pj4+ICAgICAg ICAgICAgIGlmICggcmMgKQo+Pj4+Pj4gICAgICAgICAgICAgICAgIGdvdG8gb3V0Owo+Pj4+Pj4g ICAgIAo+Pj4+Pj4gKyAgICAgICAgaWYgKCB0ID09IHAybV9yYW1fcncgJiYgbWVtdHlwZVthLmh2 bW1lbV90eXBlXSA9PSBwMm1faW9yZXFfc2VydmVyICkKPj4+Pj4+ICsgICAgICAgICAgICBwMm0t PmlvcmVxLmVudHJ5X2NvdW50Kys7Cj4+Pj4+PiArCj4+Pj4+PiArICAgICAgICBpZiAoIHQgPT0g cDJtX2lvcmVxX3NlcnZlciAmJiBtZW10eXBlW2EuaHZtbWVtX3R5cGVdID09IHAybV9yYW1fcncg KQo+Pj4+Pj4gKyAgICAgICAgICAgIHAybS0+aW9yZXEuZW50cnlfY291bnQtLTsKPj4+Pj4+ICsK Pj4+Pj4gVGhlc2UgKGFuZCBvdGhlcnMgYmVsb3cpIGhhcHBlbiwgYWZhaWN0LCBvdXRzaWRlIG9m IGFueSBsb2NrLCB3aGljaAo+Pj4+PiBjYW4ndCBiZSByaWdodC4KPj4+PiBIb3cgYWJvdXQgd2Ug bWFrZSB0aGlzIGVudHJ5X2NvdW50IGFzIGF0b21pY190IGFuZCB1c2UgYXRvbWljX2luYy9kZWMK Pj4+PiBpbnN0ZWFkPwo+Pj4gVGhhdCdzIGNlcnRhaW5seSBvbmUgb2YgdGhlIG9wdGlvbnMsIGJ1 dCBiZXdhcmUgb2Ygb3ZlcmZsb3cuCj4+IE9oLCB0aGFua3MgZm9yIHlvdXIgcmVtaW5kLCBKYW4u IEkganVzdCBmb3VuZCB0aGF0IGF0b21pY190IGlzIGRlZmluZWQKPj4gYXMgICJ0eXBlZGVmIHN0 cnVjdCB7IGludCBjb3VudGVyOyB9IGF0b21pY190OyIKPj4gd2hpY2ggZG8gaGF2ZSBvdmVyZmxv dyBpc3N1ZXMgaWYgZW50cnlfY291bnQgaXMgc3VwcG9zZWQgdG8gYmUgYSB1aW50MzIKPj4gb3Ig dWludDY0Lgo+Pgo+PiBOb3cgSSBoYXZlIGFub3RoZXIgdGhvdWdodDogdGhlIGVudHJ5X2NvdW50 IGlzIHJlZmVyZW5jZWQgaW4gMwo+PiBkaWZmZXJlbnQgIHNjZW5hcmlvczoKPj4gMT4gdGhlIGh2 bW9wIGhhbmRsZXJzIC0gIGh2bW9wX3NldF9tZW1fdHlwZSgpIGFuZAo+PiBodm1vcF9tYXBfbWVt X3R5cGVfdG9faW9yZXFfc2VydmVyKCksCj4+IHdoaWNoICBhcmUgdHJpZ2dlcmVkIGJ5IGRldmlj ZSBtb2RlbCwgYW5kIHdpbGwgbm90IGJlIGNvbmN1cnJlbnQuIEFuZAo+PiBodm1vcF9zZXRfbWVt X3R5cGUoKSB3aWxsCj4+IHBlcm1pdCB0aGUgbWVtIHR5cGUgY2hhbmdlIG9ubHkgd2hlbiBhbiBp b3JlcSBzZXJ2ZXIgaGFzIGFscmVhZHkgYmVlbgo+PiBtYXBwZWQgdG8gdGhpcyB0eXBlLgo+IFlv dSBzaG91bGRuJ3QgcmVseSBvbiBhIHdlbGwgYmVoYXZlZCBkbSwgYW5kIHRoYXQncyBhbHJlYWR5 Cj4gbGVhdmluZyBhc2lkZSB0aGUgcXVlc3Rpb24gd2hldGhlciB0aGVyZSBjb3VsZG4ndCBldmVu IGJlIHdlbGwKPiBiZWhhdmVkIHVzZSBjYXNlcyBvZiBwYXJhbGxlbCBpbnZvY2F0aW9ucyBvZiB0 aGlzIG9wLgoKT2guIFRoaXMgaXMgYSBnb29kIHBvaW50LiBUaGFua3MuIDotKQoKPj4gMj4gdGhl IG1pc2NvbmZpZ3VyYXRpb24gaGFuZGxlcnMgLSByZXNvbHZlX21pc2NvbmZpZygpIG9yIGRvX3Jl Y2FsYygpLAo+PiB3aGljaCBhcmUgdHJpZ2dlcmVkIGJ5IEhWTSdzCj4+IHZtIGV4aXQsIHlldCB0 aGlzIHdpbGwgb25seSBoYXBwZW4gYWZ0ZXIgdGhlIGlvcmVxIHNlcnZlciBoYXMgYWxyZWFkeQo+ PiBiZWVuIHVubWFwcGVkLiBUaGlzIG1lYW5zIHRoZQo+PiBhY2Nlc3NlcyB0byB0aGUgZW50cnlf Y291bnQgd2lsbCBub3QgYmUgY29uY3VycmVudCB3aXRoIHRoZSBhYm92ZSBodm1vcAo+PiBoYW5k bGVycy4KPiBUaGlzIGNhc2UgbWF5IGJlIGZpbmUsIGJ1dCBub3QgZm9yIChqdXN0KSB0aGUgbmFt ZWQgcmVhc29uOgo+IE11bHRpcGxlIG1pc2NvbmZpZyBpbnZvY2F0aW9ucyBjYW4gaGFwcGVuIGF0 IHRoZSBzYW1lIHRpbWUsIGJ1dAo+IHByZXN1bWFibHkgeW91ciBhZGRpdGlvbiBpcyBpbnNpZGUg dGhlIHAybS1sb2NrZWQgcmVnaW9uICh5b3UnZAo+IGhhdmUgdG8gZG91YmxlIGNoZWNrIHRoYXQp LgoKWWVzLCBib3RoIGFyZSB3cmFwcGVkIGluIHAybS1sb2NrZWQgcmVnaW9uLiBTbyB0aGlzIGdp dmUgbWUgYW5vdGhlciB0aG91Z2h0OgppZiB3ZSBwdXQgdGhlIGluY3JlbWVudC9kZWNyZW1lbnQg b2YgZW50cnlfY291bnQgaW5zaWRlIApwMm1fY2hhbmdlX3R5cGVfb25lKCksCndoaWNoIGhhcyB0 aGUgcDJtX2xvY2svcDJtX3VubG9jaywgd2UgY291bGQgYXZvaWQgaW50cm9kdWNpbmcgYW5vdGhl ciAKc3BpbmxvY2sKYW5kIGNhbiBhbHNvIGF2b2lkIHRoZSBvdmVyZmxvdyBwb3NzaWJpbGl0eSBi eSB1c2luZyBhdG9taWNfdC4KCltzbmlwXQoKVGhhbmtzCll1CgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1k ZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK