From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dongli Zhang Subject: Re: [PATCH v4 2/2] xen: move TLB-flush filtering out into populate_physmap during vm creation Date: Fri, 16 Sep 2016 04:34:15 -0700 (PDT) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: wei.liu2@citrix.com Cc: sstabellini@kernel.org, George.Dunlap@eu.citrix.com, tim@xen.org, dario.faggioli@citrix.com, ian.jackson@eu.citrix.com, xen-devel@lists.xen.org, david.vrabel@citrix.com, JBeulich@suse.com, andrew.cooper3@citrix.com List-Id: xen-devel@lists.xenproject.org PiBXaGF0IGlzIHRoZSBzY2VuYXJpbyB0aGF0IHlvdSB3b3VsZCB3YW50IHRvb2xzdGFjayB0byBz ZXQgc3VjaCBmbGFnPwo+IAo+IFNob3VsZG4ndCBoeXBlcnZpc29yIGFsd2F5cyBzZXQgdGhlIGZs YWcgd2hlbiB0aGUgZ3Vlc3QgaXMgbmV2ZXIKPiB1bnBhdXNlZCBhbmQgYWx3YXlzIGNsZWFyIC8g aWdub3JlIHRoYXQgZmxhZyBpZiB0aGUgZ3Vlc3QgaXMgZXZlcgo+IHVucGF1c2VkPyBJZiB0aGF0 J3MgYWxsIGlzIG5lZWRlZCwgd2h5IGRvZXMgdG9vbHN0YWNrIG5lZWQgdG8gZ2V0Cj4gaW52b2x2 ZWQ/CgpZb3UgYXJlIHJpZ2h0LiBJIHdpbGwgbm90IGV4cG9zZSB0aGUgZmxhZyB0byB0b29sc3Rh Y2suCgotLS0tLSBPcmlnaW5hbCBNZXNzYWdlIC0tLS0tCkZyb206IHdlaS5saXUyQGNpdHJpeC5j b20KVG86IGRvbmdsaS56aGFuZ0BvcmFjbGUuY29tCkNjOiBKQmV1bGljaEBzdXNlLmNvbSwgd2Vp LmxpdTJAY2l0cml4LmNvbSwga29ucmFkLndpbGtAb3JhY2xlLmNvbSwgc3N0YWJlbGxpbmlAa2Vy bmVsLm9yZywgdGltQHhlbi5vcmcsIGRhcmlvLmZhZ2dpb2xpQGNpdHJpeC5jb20sIGlhbi5qYWNr c29uQGV1LmNpdHJpeC5jb20sIEdlb3JnZS5EdW5sYXBAZXUuY2l0cml4LmNvbSwgZGF2aWQudnJh YmVsQGNpdHJpeC5jb20sIHhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnLCBhbmRyZXcuY29vcGVyM0Bj aXRyaXguY29tClNlbnQ6IEZyaWRheSwgU2VwdGVtYmVyIDE2LCAyMDE2IDY6NTU6MzMgUE0gR01U ICswODowMCBCZWlqaW5nIC8gQ2hvbmdxaW5nIC8gSG9uZyBLb25nIC8gVXJ1bXFpClN1YmplY3Q6 IFJlOiBbUEFUQ0ggdjQgMi8yXSB4ZW46IG1vdmUgVExCLWZsdXNoIGZpbHRlcmluZyBvdXQgaW50 byBwb3B1bGF0ZV9waHlzbWFwIGR1cmluZyB2bSBjcmVhdGlvbgoKT24gRnJpLCBTZXAgMTYsIDIw MTYgYXQgMDM6NDc6MjNBTSAtMDcwMCwgRG9uZ2xpIFpoYW5nIHdyb3RlOgo+ID4gPiArICAgIC8q Cj4gPiA+ICsgICAgICogTUVNRl9ub190bGJmbHVzaCBjYW4gYmUgc2V0IG9ubHkgZHVyaW5nIHZt IGNyZWF0aW9uIHBoYXNlIHdoZW4KPiA+ID4gKyAgICAgKiBpc19ldmVyX3VucGF1c2VkIGlzIHN0 aWxsIGZhbHNlIGJlZm9yZSB0aGlzIGRvbWFpbiBnZXRzIHVucGF1c2VkIGZvcgo+ID4gPiArICAg ICAqIHRoZSBmaXJzdCB0aW1lLgo+ID4gPiArICAgICAqLwo+ID4gPiArICAgIGlmICggdW5saWtl bHkoIWQtPmlzX2V2ZXJfdW5wYXVzZWQpICkKPiA+ID4gKyAgICAgICAgYS0+bWVtZmxhZ3MgfD0g TUVNRl9ub190bGJmbHVzaDsKPiA+IAo+ID4gU28geW91IG5vIGxvbmdlciBtZWFuIHRvIGV4cG9z ZSB0aGlzIHRvIHRoZSBjYWxsZXI/Cj4gCj4gaG1tbS4uLi4gSSB3b3VsZCBwcmVmZXIgdG8gZXhw b3NlIHRoaXMgdG8gdGhlIHRvb2xzdGFjayBpZiBpdCBpcyBPSyBmb3IKPiBtYWludGFpbmVycy4K PiAKPiBJIGNvcHkgYW5kIHBhc3RlIFdlaSdzIGNvbW1lbnRzIGJlbG93Ogo+IAo+ID09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KPiAKPiA+IFJ1bGUgMS4gSXQg aXMgdG9vbHN0YWNrJ3MgcmVzcG9uc2liaWxpdHkgdG8gc2V0IHRoZSAiTUVNRl9ub190bGJmbHVz aCIgYml0Cj4gPiBpbiBtZW1mbGFncy4gVGhlIHRvb2xzdGFjayBkZXZlbG9wZXJzIHNob3VsZCBi ZSBjYXJlZnVsIHRoYXQKPiA+ICJNRU1GX25vX3RsYmZsdXNoIiBzaG91bGQgbmV2ZXIgYmUgdXNl ZCBhZnRlciB2bSBjcmVhdGlvbiBpcyBmaW5pc2hlZC4KPiA+IAo+IAo+IElzIGl0IHBvc3NpYmxl IHRvIGhhdmUgYSBzYWZldHkgY2F0Y2ggZm9yIHRoaXMgaW4gdGhlIGh5cGVydmlzb3I/IEluCj4g Z2VuZXJhbCBJTUhPIHdlIHNob3VsZCBhdm9pZCBwcm92aWRpbmcgYW4gaW50ZXJmYWNlIHRoYXQg aXMgcG9zc2libGUgdG8KPiBjcmVhdGUgYSBzZWN1cml0eSBwcm9ibGVtLgo+IAo+ID09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KPiAKPiBIaSBXZWksIHNpbmNl IGl0IGlzIHBvc3NpYmxlIHRvIGhhdmUgYSBzYWZldHkgY2F0Y2ggbm93IGluIHRoZSBoeXBlcnZp c29yICh0aGUKPiBiaXQgaXMgYWxsb3dlZCBvbmx5IGJlZm9yZSBWTSBjcmVhdGlvbiBpcyBmaW5p c2hlZCksIGlzIGl0IE9LIGZvciB5b3UgdG8gZXhwb3NlCj4gTUVNRl9ub190bGJmbHVzaCBiaXQg dG8gdG9vbHN0YWNrPwo+IAoKV2hhdCBpcyB0aGUgc2NlbmFyaW8gdGhhdCB5b3Ugd291bGQgd2Fu dCB0b29sc3RhY2sgdG8gc2V0IHN1Y2ggZmxhZz8KClNob3VsZG4ndCBoeXBlcnZpc29yIGFsd2F5 cyBzZXQgdGhlIGZsYWcgd2hlbiB0aGUgZ3Vlc3QgaXMgbmV2ZXIKdW5wYXVzZWQgYW5kIGFsd2F5 cyBjbGVhciAvIGlnbm9yZSB0aGF0IGZsYWcgaWYgdGhlIGd1ZXN0IGlzIGV2ZXIKdW5wYXVzZWQ/ IElmIHRoYXQncyBhbGwgaXMgbmVlZGVkLCB3aHkgZG9lcyB0b29sc3RhY2sgbmVlZCB0byBnZXQK aW52b2x2ZWQ/CgpEbyBJIG1pc3Mgc29tZXRoaW5nIGhlcmU/CgpXZWkuCgoKPiBUaGFuayB5b3Ug dmVyeSBtdWNoIQo+IAo+IERvbmdsaSBaaGFuZwoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlz dHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==