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d="scan'208";a="4326945" Date: Mon, 12 Aug 2019 15:56:28 +0200 From: Roger Pau =?utf-8?B?TW9ubsOp?= To: George Dunlap Message-ID: <20190812135628.624gtsgv4if2zd6l@Air-de-Roger> References: <20190802092227.43058-1-roger.pau@citrix.com> <8f92a662-d576-8d41-2856-74f38c10c1b3@citrix.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <8f92a662-d576-8d41-2856-74f38c10c1b3@citrix.com> User-Agent: NeoMutt/20180716 X-ClientProxiedBy: AMSPEX02CAS01.citrite.net (10.69.22.112) To AMSPEX02CL02.citrite.net (10.69.22.126) Subject: Re: [Xen-devel] [PATCH] x86/iommu: remove usage of {set/clear}_identity_p2m_entry against PV domains X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Kevin Tian , Wei Liu , George Dunlap , Andrew Cooper , Roman Shaposhnik , Paul Durrant , Jan Beulich , xen-devel@lists.xenproject.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" T24gTW9uLCBBdWcgMTIsIDIwMTkgYXQgMDI6MTc6NTNQTSArMDEwMCwgR2VvcmdlIER1bmxhcCB3 cm90ZToKPiBPbiA4LzIvMTkgMTA6MjIgQU0sIFJvZ2VyIFBhdSBNb25uZSB3cm90ZToKPiA+IFN3 aXRjaCBybXJyX2lkZW50aXR5X21hcHBpbmcgdG8gdXNlIGlvbW11X3t1bn1tYXAgaW4gb3JkZXIg dG8KPiA+IGVzdGFibGlzaCBSTVJSIG1hcHBpbmdzIGZvciBQViBkb21haW5zLCBsaWtlIGl0J3Mg ZG9uZSBpbgo+ID4gYXJjaF9pb21tdV9od2RvbV9pbml0LiBUaGlzIHNvbHZlcyB0aGUgaXNzdWUg b2YgYSBQViBoYXJkd2FyZSBkb21haW4KPiA+IG5vdCBnZXR0aW5nIFJNUlIgbWFwcGluZ3MgYmVj YXVzZSB7c2V0L2NsZWFyfV9pZGVudGl0eV9wMm1fZW50cnkgd2FzCj4gPiBub3QgcHJvcGVybHkg dXBkYXRpbmcgdGhlIGlvbW11IHBhZ2UgdGFibGVzLgo+IAo+IFNvcnJ5LCBJIHRoaW5rIHRoaXMg ZGVzY3JpcHRpb24gaXMgc29tZXdoYXQgYmFja3dhcmRzOiB5b3UncmUgc2F5aW5nCj4gd2hhdCB5 b3UncmUgZG9pbmcgZmlyc3QsIGFuZCB0aGVuIHNheWluZyB3aGF0IHRoZSBwcm9ibGVtYXRpYyBi ZWhhdmlvcgo+IHdhcywgYnV0IG5vdCBhY3R1YWxseSBzYXlpbmcgd2hhdCB3YXMgY2F1c2luZyB0 aGUgcHJvYmxlbWF0aWMgYmVoYXZpb3IuCj4gCj4gV2h5IHdhcyB7c2V0LGNsZWFyfV9pZGVudGl0 eV9wMm0gbm90IHVwZGF0aW5nIHRoZSBwYWdlIHRhYmxlcz8KPiAKPiBJIGFncmVlIHdpdGggSmFu LCB0aGF0IGZpZ3VyaW5nIHRoYXQgb3V0IGlzIGEgcHJlcmVxdWlzaXRlIGZvciBhbnkga2luZAo+ IG9mIGZpeDogaWYgYG5lZWRfaW9tbXVfcHRfc3luYygpYCBpcyBmYWxzZSBhdCB0aGF0IHBvaW50 IGZvciB0aGUKPiBoYXJkd2FyZSBkb21haW4sIHRoZW4gdGhlcmUncyBhIGJpZ2dlciBwcm9ibGVt IHRoYW4gUk1SUnMgbm90IGJlaW5nCj4gYWRqdXN0ZWQgcHJvcGVybHkuCgpuZWVkX2lvbW11X3B0 X3N5bmMgaXMgaW5kZWVkIGZhbHNlIGZvciBhIFBWIGhhcmR3YXJlIGRvbWFpbiBub3QKcnVubmlu ZyBpbiBzdHJpY3QgbW9kZSwgc2VlOgoKaHR0cDovL3hlbmJpdHMueGVuLm9yZy9naXR3ZWIvP3A9 eGVuLmdpdDthPWJsb2I7Zj14ZW4vZHJpdmVycy9wYXNzdGhyb3VnaC9pb21tdS5jO2g9ZjhjM2Jm NTNiZDE3OTNkZjkzZDdkZGVhNjU2NGRjOTI5ZjQwYzE1NjtoYj1IRUFEI2wxOTIKaHR0cHM6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9hcmNoaXZlcy9odG1sL3hlbi1kZXZlbC8yMDE5LTA3L21zZzAx NTQ3Lmh0bWwKClRoaXMgaXMgZmluZSBmb3IgYSBub24tc3RyaWN0IFBWIGhhcmR3YXJlIGRvbWFp biwgc2luY2UgaXQgaGFzIGFsbCB0aGUKaG9zdCBtZW1vcnkgKG1pbnVzIG1lbW9yeSB1c2VkIGJ5 IFhlbikgbWFwcGVkIGluIHRoZSBpb21tdSBwYWdlIHRhYmxlcwpleGNlcHQgZm9yIFJNUlIgcmVn aW9ucyBub3QgbWFya2VkIGFzIHJlc2VydmVkIGluIHRoZSBlODIwIG1lbW9yeSBtYXAsCndoaWNo IGFyZSBhZGRlZCB1c2luZyBzZXRfaWRlbnRpdHlfcDJtX2VudHJ5LgoKVGhlIGlzc3VlIGhlcmUg aXMgdGhhdCB0aGlzIHBhdGNoIGFsb25lIGRvZXNuJ3QgZml4IHRoZSBpc3N1ZSBmb3IgdGhlCnJl cG9ydGVyLCBhbmQgdGhlcmUgc2VlbXMgdG8gYmUgYW4gYWRkaXRpb25hbCBmbHVzaCByZXF1aXJl ZCBpbiBvcmRlcgp0byBnZXQgdGhlIGlzc3VlIHNvbHZlZCBvbiBoaXMgZW5kOgoKaHR0cHM6Ly9s aXN0cy54ZW5wcm9qZWN0Lm9yZy9hcmNoaXZlcy9odG1sL3hlbi1kZXZlbC8yMDE5LTA4L21zZzAw NTI2Lmh0bWwKCk15IHRoZW9yeSBpcyB0aGF0IHRoZSBzeXN0ZW0gUm9tYW4gaXMgdXNpbmcgaXMg Ym9vdGluZyB3aXRoIERNQQpyZW1hcHBpbmcgZW5hYmxlZCBpbiB0aGUgaW9tbXUsIGFuZCBzb21l aG93IHRoZSBjYWxsIHRvCmlvbW11X2ZsdXNoX2FsbCBpbiBpbnRlbF9pb21tdV9od2RvbV9pbml0 IGRvZXNuJ3Qgc2VlbSB0byB3b3JrCnByb3Blcmx5LCB3aGlsZSBjYWxsaW5nIGlvbW11X2lvdGxi X2ZsdXNoX2FsbCBkb2VzIHNlZW0gdG8gZG8gdGhlCnJpZ2h0IHRoaW5nLiBJJ20gc3RpbGwgd2Fp dGluZyBmb3IgUm9tYW4gdG8gY29tZSBiYWNrIHdpdGggdGhlIHJlc3VsdApvZiBteSBsYXN0IGRl YnVnIHBhdGNoZXMgaW4gb3JkZXIgdG8gZmlndXJlIG91dCB3aGV0aGVyIG15IGh5cG90aGVzaXMK YWJvdmUgaXMgdHJ1ZS4KClRoaXMgaG93ZXZlciB3b24ndCBzdGlsbCBleHBsYWluIHRoZSB3ZWly ZCBiZWhhdmlvdXIgb2YKaW9tbXVfZmx1c2hfYWxsLCBhbmQgZnVydGhlciBkZWJ1Z2dpbmcgd2ls bCBzdGlsbCBiZSByZXF1aXJlZC4KClJvZ2VyLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlz dHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xp c3RpbmZvL3hlbi1kZXZlbA==