From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v3 38/39] ARM: new VGIC: Allocate two pages for struct vcpu Date: Thu, 22 Mar 2018 08:11:28 +0000 Message-ID: <5e3d8eac-7437-ad90-b5e4-83d614e3f3af@arm.com> References: <20180321163235.12529-1-andre.przywara@linaro.org> <20180321163235.12529-39-andre.przywara@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from all-amaz-eas1.inumbo.com ([34.197.232.57]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1eyvJx-0002go-3U for xen-devel@lists.xenproject.org; Thu, 22 Mar 2018 08:11:37 +0000 In-Reply-To: <20180321163235.12529-39-andre.przywara@linaro.org> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andre Przywara , Stefano Stabellini Cc: xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org SGkgQW5kcmUsCgpPbiAwMy8yMS8yMDE4IDA0OjMyIFBNLCBBbmRyZSBQcnp5d2FyYSB3cm90ZToK PiBBdCB0aGUgbW9tZW50IHdlIGFsbG9jYXRlIGV4YWN0bHkgb25lIHBhZ2UgZm9yIHN0cnVjdCB2 Y3B1IG9uIEFSTSwgYWxzbwo+IGhhdmUgYSBjaGVjayBpbiBwbGFjZSB0byBwcmV2ZW50IGl0IGdy b3dpbmcgYmV5b25kIDRLQi4KPiBBcyB0aGUgc3RydWN0IGluY2x1ZGVzIHRoZSBzdGF0ZSBvZiBh bGwgMzIgcHJpdmF0ZSAocGVyLVZDUFUpIGludGVycnVwdHMsCj4gd2UgYXJlIGF0IDM4NDAgYnl0 ZXMgb24gYXJtNjQgYXQgdGhlIG1vbWVudCBhbHJlYWR5LiBHcm93aW5nIHRoZSBwZXItSVJRCj4g VkdJQyBzdHJ1Y3R1cmUgZXZlbiBzbGlnaHRseSBtYWtlcyB0aGUgVkNQVSBxdWlja2x5IGV4Y2Vl ZCB0aGUgNEsgbGltaXQuCj4gVGhlIG5ldyBWR0lDIHdpbGwgbmVlZCBtb3JlIHNwYWNlIHBlciB2 aXJ0dWFsIElSUS4gSSBzcGVudCBhIGZldyBob3Vycwo+IHRyeWluZyB0byB0cmltIHRoaXMgZG93 biwgYnV0IGNvdWxkbid0IGdldCBpdCBiZWxvdyA0S0IsIGV2ZW4gd2l0aCB0aGUKPiBuYXN0eSBo YWNrcyBwaWxpbmcgdXAgdG8gc2F2ZSBzb21lIGJ5dGVzIGhlcmUgYW5kIHRoZXJlLgo+IEl0IHR1 cm5zIG91dCB0aGF0IGJleW9uZCBlZmZpY2llbmN5LCBtYXliZSwgdGhlcmUgaXMgbm8gcmVhbCB0 ZWNobmljYWwKPiByZWFzb24gdGhpcyBzdHJ1Y3QgaGFzIHRvIGZpdCBpbiBvbmUgcGFnZSwgc28g bGlmdGluZyB0aGUgbGltaXQgdG8gdHdvCj4gcGFnZXMgc2VlbXMgbGlrZSB0aGUgbW9zdCBwcmFn bWF0aWMgc29sdXRpb24uCj4gUmVzdHJpY3QgdGhpcyB0byBjb21waWxpbmcgd2l0aCB0aGUgbmV3 IFZHSUMgYW5kIGZvciBBUk02NCBvbmx5Lgo+IAo+IFNpZ25lZC1vZmYtYnk6IEFuZHJlIFByenl3 YXJhIDxhbmRyZS5wcnp5d2FyYUBsaW5hcm8ub3JnPgo+IC0tLQo+IENoYW5nZWxvZyB2MiAuLi4g djM6Cj4gLSByZXdvcmsgYWxsb2NfdmNwdV9zdHJ1Y3QoKSB0byBhdm9pZCBuYXN0eSAjaWZkZWYK PiAKPiBDaGFuZ2Vsb2cgdjEgLi4uIHYyOgo+IC0gY29uZmluZSBjaGFuZ2UgdG8gbmV3IFZHSUMg YW5kIEFSTTY0IG9ubHkKPiAKPiAgIHhlbi9hcmNoL2FybS9kb21haW4uYyB8IDI1ICsrKysrKysr KysrKysrKysrKysrKy0tLS0KPiAgIDEgZmlsZSBjaGFuZ2VkLCAyMSBpbnNlcnRpb25zKCspLCA0 IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vZG9tYWluLmMgYi94 ZW4vYXJjaC9hcm0vZG9tYWluLmMKPiBpbmRleCA5Njg4ZTYyZjc4Li4yM2JkYTNmN2RiIDEwMDY0 NAo+IC0tLSBhL3hlbi9hcmNoL2FybS9kb21haW4uYwo+ICsrKyBiL3hlbi9hcmNoL2FybS9kb21h aW4uYwo+IEBAIC01MDUsMTkgKzUwNSwzNiBAQCB2b2lkIGR1bXBfcGFnZWZyYW1lX2luZm8oc3Ry dWN0IGRvbWFpbiAqZCkKPiAgIAo+ICAgfQo+ICAgCj4gKy8qCj4gKyAqIFRoZSBuZXcgVkdJQyBo YXMgYSBiaWdnZXIgcGVyLUlSUSBzdHJ1Y3R1cmUsIHNvIHdlIG5lZWQgbW9yZSB0aGFuIG9uZQo+ ICsgKiBwYWdlIG9uIEFSTTY0LiBDb3dhcmRseSBpbmNyZWFzZSB0aGUgbGltaXQgaW4gdGhpcyBj YXNlLgo+ICsgKi8KPiArI2lmIGRlZmluZWQoQ09ORklHX05FV19WR0lDKSAmJiBkZWZpbmVkKENP TkZJR19BUk1fNjQpCj4gKyNkZWZpbmUgUEFHRVNfUEVSX1ZDUFUgIDIKPiArI2Vsc2UKPiArI2Rl ZmluZSBQQUdFU19QRVJfVkNQVSAgMQo+ICsjZW5kaWYKPiArCj4gICBzdHJ1Y3QgdmNwdSAqYWxs b2NfdmNwdV9zdHJ1Y3Qodm9pZCkKPiAgIHsKPiAgICAgICBzdHJ1Y3QgdmNwdSAqdjsKPiAtICAg IEJVSUxEX0JVR19PTihzaXplb2YoKnYpID4gUEFHRV9TSVpFKTsKPiAtICAgIHYgPSBhbGxvY194 ZW5oZWFwX3BhZ2VzKDAsIDApOwo+ICsKPiArICAgIEJVSUxEX0JVR19PTihzaXplb2YoKnYpID4g UEFHRVNfUEVSX1ZDUFUgKiBQQUdFX1NJWkUpOwo+ICsgICAgdiA9IGFsbG9jX3hlbmhlYXBfcGFn ZXMoZ2V0X29yZGVyX2Zyb21fcGFnZXMoUEFHRVNfUEVSX1ZDUFUpLCAwKTsKCkkgd2FzIHN1Z2dl c3RpbmcgdG8gdXNlIGdldF9vcmRlcl9mcm9tX3BhZ2VzKHNpemVvZiAoLi4uKSkgc28gaWYgd2Ug ZW5kIAp1cCB0byBiZSBzbWFsbGVyLCB5b3UgZG9uJ3QgbG9zZSBhIHBhZ2UgZm9yIG5vdGhpbmcu IEJ1dCBJIGFtIG9rIHdpdGggCnRoYXQgdG9vIGFuZCBjYW4gcmV2aXNpdCBsYXRlci4gU286CgpB Y2tlZC1ieTogSnVsaWVuIEdyYWxsIDxqdWxpZW4uZ3JhbGxAYXJtLmNvbT4KCj4gICAgICAgaWYg KCB2ICE9IE5VTEwgKQo+IC0gICAgICAgIGNsZWFyX3BhZ2Uodik7Cj4gKyAgICB7Cj4gKyAgICAg ICAgdW5zaWduZWQgaW50IGk7Cj4gKwo+ICsgICAgICAgIGZvciAoIGkgPSAwOyBpIDwgUEFHRVNf UEVSX1ZDUFU7IGkrKyApCj4gKyAgICAgICAgICAgIGNsZWFyX3BhZ2UoKHZvaWQgKil2ICsgaSAq IFBBR0VfU0laRSk7Cj4gKyAgICB9Cj4gKwo+ICAgICAgIHJldHVybiB2Owo+ICAgfQo+ICAgCj4g ICB2b2lkIGZyZWVfdmNwdV9zdHJ1Y3Qoc3RydWN0IHZjcHUgKnYpCj4gICB7Cj4gLSAgICBmcmVl X3hlbmhlYXBfcGFnZSh2KTsKPiArICAgIGZyZWVfeGVuaGVhcF9wYWdlcyh2LCBnZXRfb3JkZXJf ZnJvbV9wYWdlcyhQQUdFU19QRVJfVkNQVSkpOwo+ICAgfQo+ICAgCj4gICBpbnQgdmNwdV9pbml0 aWFsaXNlKHN0cnVjdCB2Y3B1ICp2KQo+IAoKQ2hlZXJzLAoKLS0gCkp1bGllbiBHcmFsbAoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1h aWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54 ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==