From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH 09/22] xen/arm: p2m: Use a whitelist rather than blacklist in get_page_from_gfn Date: Wed, 27 Jul 2016 18:57:12 +0100 Message-ID: <70c8af64-e547-6201-9fbb-7c0692710c05@arm.com> References: <1469031064-23344-1-git-send-email-julien.grall@arm.com> <1469031064-23344-10-git-send-email-julien.grall@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Stefano Stabellini Cc: proskurin@sec.in.tum.de, steve.capper@arm.com, wei.chen@linaro.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org SGkgU3RlZmFubywKCk9uIDI3LzA3LzE2IDE4OjU2LCBTdGVmYW5vIFN0YWJlbGxpbmkgd3JvdGU6 Cj4gT24gV2VkLCAyNyBKdWwgMjAxNiwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+PiBPbiAyNi8wNy8x NiAyMzo0NCwgU3RlZmFubyBTdGFiZWxsaW5pIHdyb3RlOgo+Pj4gT24gV2VkLCAyMCBKdWwgMjAx NiwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+Pj4+IEN1cnJlbnRseSwgdGhlIGNoZWNrIGluIGdldF9w YWdlX2Zyb21fZ2ZuIGlzIHVzaW5nIGEgYmxhY2tsaXN0LiBUaGlzIGlzCj4+Pj4gdmVyeSBmcmFn aWxlIGJlY2F1c2Ugd2UgbWF5IGZvcmdvdCB0byB1cGRhdGUgdGhlIGNoZWNrIHdoZW4gYSBuZXcg cDJtCj4+Pj4gdHlwZSBpcyBhZGRlZC4KPj4+Pgo+Pj4+IFRvIGF2b2lkIGFueSBwb3NzaWJsZSBp c3N1ZSwgdXNlIGEgd2hpdGVsaXN0LiBBbGwgdHlwZSBiYWNrZWQgYnkgYSBSQU0KPj4+PiBwYWdl IGNhbiBjb3VsZCBwb3RlbnRpYWwgYmUgdmFsaWQuIFRoZSBjaGVjayBpcyBib3Jyb3dlZCBmcm9t IHg4Ni4KPj4+Pgo+Pj4+IFNpZ25lZC1vZmYtYnk6IEp1bGllbiBHcmFsbCA8anVsaWVuLmdyYWxs QGFybS5jb20+Cj4+Pj4gLS0tCj4+Pj4gIHhlbi9pbmNsdWRlL2FzbS1hcm0vcDJtLmggfCA5ICsr KysrKysrLQo+Pj4+ICAxIGZpbGUgY2hhbmdlZCwgOCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9u KC0pCj4+Pj4KPj4+PiBkaWZmIC0tZ2l0IGEveGVuL2luY2x1ZGUvYXNtLWFybS9wMm0uaCBiL3hl bi9pbmNsdWRlL2FzbS1hcm0vcDJtLmgKPj4+PiBpbmRleCAzMDkxYzA0Li43OGQzN2FiIDEwMDY0 NAo+Pj4+IC0tLSBhL3hlbi9pbmNsdWRlL2FzbS1hcm0vcDJtLmgKPj4+PiArKysgYi94ZW4vaW5j bHVkZS9hc20tYXJtL3AybS5oCj4+Pj4gQEAgLTEwNCw5ICsxMDQsMTYgQEAgdHlwZWRlZiBlbnVt IHsKPj4+PiAgI2RlZmluZSBQMk1fUkFNX1RZUEVTIChwMm1fdG9fbWFzayhwMm1fcmFtX3J3KSB8 ICAgICAgICBcCj4+Pj4gICAgICAgICAgICAgICAgICAgICAgICAgcDJtX3RvX21hc2socDJtX3Jh bV9ybykpCj4+Pj4KPj4+PiArLyogR3JhbnQgbWFwcGluZyB0eXBlcywgd2hpY2ggbWFwIHRvIGEg cmVhbCBmcmFtZSBpbiBhbm90aGVyIFZNICovCj4+Pj4gKyNkZWZpbmUgUDJNX0dSQU5UX1RZUEVT IChwMm1fdG9fbWFzayhwMm1fZ3JhbnRfbWFwX3J3KSB8ICBcCj4+Pj4gKyAgICAgICAgICAgICAg ICAgICAgICAgICBwMm1fdG9fbWFzayhwMm1fZ3JhbnRfbWFwX3JvKSkKPj4+PiArCj4+Pj4gIC8q IFVzZWZ1bCBwcmVkaWNhdGVzICovCj4+Pj4gICNkZWZpbmUgcDJtX2lzX3JhbShfdCkgKHAybV90 b19tYXNrKF90KSAmIFAyTV9SQU1fVFlQRVMpCj4+Pj4gICNkZWZpbmUgcDJtX2lzX2ZvcmVpZ24o X3QpIChwMm1fdG9fbWFzayhfdCkgJgo+Pj4+IHAybV90b19tYXNrKHAybV9tYXBfZm9yZWlnbikp Cj4+Pj4gKyNkZWZpbmUgcDJtX2lzX2FueV9yYW0oX3QpIChwMm1fdG9fbWFzayhfdCkgJiAgICAg ICAgICAgICAgICAgICBcCj4+Pj4gKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAoUDJNX1JB TV9UWVBFUyB8IFAyTV9HUkFOVF9UWVBFUyB8ICBcCj4+Pj4gKyAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgcDJtX3RvX21hc2socDJtX21hcF9mb3JlaWduKSkpCj4+Pj4KPj4+PiAgc3RhdGlj IGlubGluZQo+Pj4+ICB2b2lkIHAybV9tZW1fYWNjZXNzX2VtdWxhdGVfY2hlY2soc3RydWN0IHZj cHUgKnYsCj4+Pj4gQEAgLTIyNCw3ICsyMzEsNyBAQCBzdGF0aWMgaW5saW5lIHN0cnVjdCBwYWdl X2luZm8gKmdldF9wYWdlX2Zyb21fZ2ZuKAo+Pj4+ICAgICAgaWYgKHQpCj4+Pj4gICAgICAgICAg KnQgPSBwMm10Owo+Pj4+Cj4+Pj4gLSAgICBpZiAoIHAybXQgPT0gcDJtX2ludmFsaWQgfHwgcDJt dCA9PSBwMm1fbW1pb19kaXJlY3QgKQo+Pj4+ICsgICAgaWYgKCAhcDJtX2lzX2FueV9yYW0ocDJt dCkgKQo+Pj4+ICAgICAgICAgIHJldHVybiBOVUxMOwo+Pj4KPj4+IFdoYXQgYWJvdXQgdGhlIGlv bW11IG1hcHBpbmdzPwo+Pgo+PiBpb21tdSBtYXBwaW5ncyAocDJtX2lvbW11X21hcF8qKSBhcmUg c3BlY2lhbCBtYXBwaW5ncyBmb3IgdGhlIGRpcmVjdCBtYXBwaW5nCj4+IHdvcmthcm91bmQuIFRo ZXkgc2hvdWxkIG5vdCBiZSB1c2VkIGluIGdldF9wYWdlX2Zyb21fZ2ZuLgo+Cj4gTWFrZSBzZW5z ZS4gSSB0aGluayB0aGV5IGRlc2VydmUgdG8gYmUgbWVudGlvbmVkIGluIHRoZSBjb21taXQgbWVz c2FnZSwKPiBhcyB0aGlzIHBhdGNoIGNoYW5nZXMgYmVoYXZpb3IgZm9yIHRoZW0uCgpHb29kIHBv aW50LiBJIHdpbGwgdXBkYXRlIHRoZSBjb21taXQgbWVzc2FnZS4KClJlZ2FyZHMsCgotLSAKSnVs aWVuIEdyYWxsCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8v bGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK