From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andre Przywara Subject: [PATCH 03/17] ARM: vGICv3: always use architected redist stride Date: Fri, 9 Mar 2018 15:11:19 +0000 Message-ID: <20180309151133.31371-4-andre.przywara@linaro.org> References: <20180309151133.31371-1-andre.przywara@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1euJgS-0005pD-Lf for xen-devel@lists.xenproject.org; Fri, 09 Mar 2018 15:11:48 +0000 Received: by mail-wr0-x242.google.com with SMTP id v18so9340805wrv.0 for ; Fri, 09 Mar 2018 07:11:47 -0800 (PST) In-Reply-To: <20180309151133.31371-1-andre.przywara@linaro.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Stefano Stabellini , Julien Grall Cc: xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org VGhlIHJlZGlzdHJpYnV0b3Itc3RyaWRlIHByb3BlcnR5IGluIGEgR0lDdjMgRFQgbm9kZSBpcyBv bmx5IHRoZXJlIHRvCmNvdmVyIGJyb2tlbiBwbGF0Zm9ybXMgd2hlcmUgdGhpcyB2YWx1ZSBkZXZp YXRlcyBmcm9tIHRoZSBhcmNoaXRlY3RlZCBvbmUuClNpbmNlIHdlIGVtdWxhdGUgdGhlIEdJQ3Yz IGRpc3RyaWJ1dG9yIGV2ZW4gZm9yIERvbTAsIHdlIGRvbid0IG5lZWQgdG8KY29weSB0aGUgYnJv a2VuIGJlaGF2aW91ci4gQWxsIHRoZSBzcGVjaWFsIGhhbmRsaW5nIGZvciBEb20wcyB1c2luZwpH SUN2MyBpcyBqdXN0IGZvciB1c2luZyB0aGUgaGFyZHdhcmUncyBtZW1vcnkgbWFwLCB3aGljaCBp cyB1bmFmZmVjdGVkCmJ5IHRoZSByZWRpc3RyaWJ1dG9yIHN0cmlkZSAtIGl0IGNhbiBuZXZlciBi ZSBzbWFsbGVyIHRoYW4gdGhlCmFyY2hpdGVjdGVkIHR3byBwYWdlcy4KUmVtb3ZlIHRoZSByZWRp c3RyaWJ1dG9yLXN0cmlkZSBwcm9wZXJ0eSBmcm9tIERvbTAncyBEVCBub2RlIGFuZCBhbHNvCnJl bW92ZSB0aGUgY29kZSB0aGF0IHRyaWVkIHRvIHJldXNlIHRoZSBoYXJkd2FyZSB2YWx1ZSBmb3Ig RG9tMCdzIEdJQ3YzCmVtdWxhdGlvbi4KClNpZ25lZC1vZmYtYnk6IEFuZHJlIFByenl3YXJhIDxh bmRyZS5wcnp5d2FyYUBsaW5hcm8ub3JnPgotLS0KQ2hhbmdlbG9nOgotIG1lcmdlIGluIEdJQ1Yz X0dJQ1JfU0laRSBkZWZpbml0aW9uCgogeGVuL2FyY2gvYXJtL2dpYy12My5jICAgICAgICAgICAg IHwgIDQgLS0tLQogeGVuL2FyY2gvYXJtL3ZnaWMtdjMuYyAgICAgICAgICAgIHwgMTQgKysrKysr LS0tLS0tLS0KIHhlbi9pbmNsdWRlL2FzbS1hcm0vZ2ljX3YzX2RlZnMuaCB8ICA1ICsrKysrCiAz IGZpbGVzIGNoYW5nZWQsIDExIGluc2VydGlvbnMoKyksIDEyIGRlbGV0aW9ucygtKQoKZGlmZiAt LWdpdCBhL3hlbi9hcmNoL2FybS9naWMtdjMuYyBiL3hlbi9hcmNoL2FybS9naWMtdjMuYwppbmRl eCBiMWY4YTg2NDA5Li4wNDdhZjY5MWIxIDEwMDY0NAotLS0gYS94ZW4vYXJjaC9hcm0vZ2ljLXYz LmMKKysrIGIveGVuL2FyY2gvYXJtL2dpYy12My5jCkBAIC0xMTYyLDEwICsxMTYyLDYgQEAgc3Rh dGljIGludCBnaWN2M19tYWtlX2h3ZG9tX2R0X25vZGUoY29uc3Qgc3RydWN0IGRvbWFpbiAqZCwK ICAgICBpZiAoIHJlcyApCiAgICAgICAgIHJldHVybiByZXM7CiAKLSAgICByZXMgPSBmZHRfcHJv cGVydHlfY2VsbChmZHQsICJyZWRpc3RyaWJ1dG9yLXN0cmlkZSIsIGdpY3YzLnJkaXN0X3N0cmlk ZSk7Ci0gICAgaWYgKCByZXMgKQotICAgICAgICByZXR1cm4gcmVzOwotCiAgICAgcmVzID0gZmR0 X3Byb3BlcnR5X2NlbGwoZmR0LCAiI3JlZGlzdHJpYnV0b3ItcmVnaW9ucyIsIGdpY3YzLnJkaXN0 X2NvdW50KTsKICAgICBpZiAoIHJlcyApCiAgICAgICAgIHJldHVybiByZXM7CmRpZmYgLS1naXQg YS94ZW4vYXJjaC9hcm0vdmdpYy12My5jIGIveGVuL2FyY2gvYXJtL3ZnaWMtdjMuYwppbmRleCBk NWIzNGE3ZDBmLi41NmNjMzhmZmNjIDEwMDY0NAotLS0gYS94ZW4vYXJjaC9hcm0vdmdpYy12My5j CisrKyBiL3hlbi9hcmNoL2FybS92Z2ljLXYzLmMKQEAgLTEwMjQsMTAgKzEwMjQsOSBAQCBzdGF0 aWMgc3RydWN0IHZjcHUgKmdldF92Y3B1X2Zyb21fcmRpc3Qoc3RydWN0IGRvbWFpbiAqZCwKICAg ICBwYWRkcl90IGdwYSwgdWludDMyX3QgKm9mZnNldCkKIHsKICAgICBzdHJ1Y3QgdmNwdSAqdjsK LSAgICB1aW50MzJfdCBzdHJpZGUgPSBkLT5hcmNoLnZnaWMucmRpc3Rfc3RyaWRlOwogICAgIHVu c2lnbmVkIGludCB2Y3B1X2lkOwogCi0gICAgdmNwdV9pZCA9IHJlZ2lvbi0+Zmlyc3RfY3B1ICsg KChncGEgLSByZWdpb24tPmJhc2UpIC8gc3RyaWRlKTsKKyAgICB2Y3B1X2lkID0gcmVnaW9uLT5m aXJzdF9jcHUgKyAoKGdwYSAtIHJlZ2lvbi0+YmFzZSkgLyBHSUNWM19HSUNSX1NJWkUpOwogICAg IGlmICggdW5saWtlbHkodmNwdV9pZCA+PSBkLT5tYXhfdmNwdXMpICkKICAgICAgICAgcmV0dXJu IE5VTEw7CiAKQEAgLTE1ODYsNyArMTU4NSw2IEBAIHN0YXRpYyBpbnQgdmdpY192M192Y3B1X2lu aXQoc3RydWN0IHZjcHUgKnYpCiAKICAgICAvKiBDb252ZW5pZW50IGFsaWFzICovCiAgICAgc3Ry dWN0IGRvbWFpbiAqZCA9IHYtPmRvbWFpbjsKLSAgICB1aW50MzJfdCByZGlzdF9zdHJpZGUgPSBk LT5hcmNoLnZnaWMucmRpc3Rfc3RyaWRlOwogCiAgICAgLyoKICAgICAgKiBGaW5kIHRoZSByZWdp b24gd2hlcmUgdGhlIHJlLWRpc3RyaWJ1dG9yIGxpdmVzLiBGb3IgdGhpcyBwdXJwb3NlLApAQCAt MTYwMiwxMSArMTYwMCwxMSBAQCBzdGF0aWMgaW50IHZnaWNfdjNfdmNwdV9pbml0KHN0cnVjdCB2 Y3B1ICp2KQogCiAgICAgLyogR2V0IHRoZSBiYXNlIGFkZHJlc3Mgb2YgdGhlIHJlZGlzdHJpYnV0 b3IgKi8KICAgICByZGlzdF9iYXNlID0gcmVnaW9uLT5iYXNlOwotICAgIHJkaXN0X2Jhc2UgKz0g KHYtPnZjcHVfaWQgLSByZWdpb24tPmZpcnN0X2NwdSkgKiByZGlzdF9zdHJpZGU7CisgICAgcmRp c3RfYmFzZSArPSAodi0+dmNwdV9pZCAtIHJlZ2lvbi0+Zmlyc3RfY3B1KSAqIEdJQ1YzX0dJQ1Jf U0laRTsKIAogICAgIC8qIENoZWNrIGlmIGEgdmFsaWQgcmVnaW9uIHdhcyBmb3VuZCBmb3IgdGhl IHJlLWRpc3RyaWJ1dG9yICovCiAgICAgaWYgKCAocmRpc3RfYmFzZSA8IHJlZ2lvbi0+YmFzZSkg fHwKLSAgICAgICAgICgocmRpc3RfYmFzZSArIHJkaXN0X3N0cmlkZSkgPiAocmVnaW9uLT5iYXNl ICsgcmVnaW9uLT5zaXplKSkgKQorICAgICAgICAgKChyZGlzdF9iYXNlICsgR0lDVjNfR0lDUl9T SVpFKSA+IChyZWdpb24tPmJhc2UgKyByZWdpb24tPnNpemUpKSApCiAgICAgewogICAgICAgICBk cHJpbnRrKFhFTkxPR19FUlIsCiAgICAgICAgICAgICAgICAgImQldTogVW5hYmxlIHRvIGZpbmQg YSByZS1kaXN0cmlidXRvciBmb3IgVkNQVSAldVxuIiwKQEAgLTE2MjIsNyArMTYyMCw3IEBAIHN0 YXRpYyBpbnQgdmdpY192M192Y3B1X2luaXQoc3RydWN0IHZjcHUgKnYpCiAgICAgICogVkdJQ19W M19SRElTVF9MQVNUIGZsYWdzLgogICAgICAqIE5vdGUgdGhhdCB3ZSBhcmUgYXNzdW1pbmcgbWF4 X3ZjcHVzIHdpbGwgbmV2ZXIgY2hhbmdlLgogICAgICAqLwotICAgIGxhc3RfY3B1ID0gKHJlZ2lv bi0+c2l6ZSAvIHJkaXN0X3N0cmlkZSkgKyByZWdpb24tPmZpcnN0X2NwdSAtIDE7CisgICAgbGFz dF9jcHUgPSAocmVnaW9uLT5zaXplIC8gR0lDVjNfR0lDUl9TSVpFKSArIHJlZ2lvbi0+Zmlyc3Rf Y3B1IC0gMTsKIAogICAgIGlmICggdi0+dmNwdV9pZCA9PSBsYXN0X2NwdSB8fCAodi0+dmNwdV9p ZCA9PSAoZC0+bWF4X3ZjcHVzIC0gMSkpICkKICAgICAgICAgdi0+YXJjaC52Z2ljLmZsYWdzIHw9 IFZHSUNfVjNfUkRJU1RfTEFTVDsKQEAgLTE2OTMsNyArMTY5MSw3IEBAIHN0YXRpYyBpbnQgdmdp Y192M19kb21haW5faW5pdChzdHJ1Y3QgZG9tYWluICpkKQogICAgICAgICAgICAgLyogU2V0IHRo ZSBmaXJzdCBDUFUgaGFuZGxlZCBieSB0aGlzIHJlZ2lvbiAqLwogICAgICAgICAgICAgZC0+YXJj aC52Z2ljLnJkaXN0X3JlZ2lvbnNbaV0uZmlyc3RfY3B1ID0gZmlyc3RfY3B1OwogCi0gICAgICAg ICAgICBmaXJzdF9jcHUgKz0gc2l6ZSAvIGQtPmFyY2gudmdpYy5yZGlzdF9zdHJpZGU7CisgICAg ICAgICAgICBmaXJzdF9jcHUgKz0gc2l6ZSAvIEdJQ1YzX0dJQ1JfU0laRTsKICAgICAgICAgfQog CiAgICAgICAgIGQtPmFyY2gudmdpYy5pbnRpZF9iaXRzID0gdmdpY192M19ody5pbnRpZF9iaXRz OwpAQCAtMTcwOCw3ICsxNzA2LDcgQEAgc3RhdGljIGludCB2Z2ljX3YzX2RvbWFpbl9pbml0KHN0 cnVjdCBkb21haW4gKmQpCiAgICAgICAgIGQtPmFyY2gudmdpYy5yZGlzdF9zdHJpZGUgPSBHVUVT VF9HSUNWM19SRElTVF9TVFJJREU7CiAKICAgICAgICAgLyogVGhlIGZpcnN0IHJlZGlzdHJpYnV0 b3Igc2hvdWxkIGNvbnRhaW4gZW5vdWdoIHNwYWNlIGZvciBhbGwgQ1BVcyAqLwotICAgICAgICBC VUlMRF9CVUdfT04oKEdVRVNUX0dJQ1YzX0dJQ1IwX1NJWkUgLyBHVUVTVF9HSUNWM19SRElTVF9T VFJJREUpIDwgTUFYX1ZJUlRfQ1BVUyk7CisgICAgICAgIEJVSUxEX0JVR19PTigoR1VFU1RfR0lD VjNfR0lDUjBfU0laRSAvIEdJQ1YzX0dJQ1JfU0laRSkgPCBNQVhfVklSVF9DUFVTKTsKICAgICAg ICAgZC0+YXJjaC52Z2ljLnJkaXN0X3JlZ2lvbnNbMF0uYmFzZSA9IEdVRVNUX0dJQ1YzX0dJQ1Iw X0JBU0U7CiAgICAgICAgIGQtPmFyY2gudmdpYy5yZGlzdF9yZWdpb25zWzBdLnNpemUgPSBHVUVT VF9HSUNWM19HSUNSMF9TSVpFOwogICAgICAgICBkLT5hcmNoLnZnaWMucmRpc3RfcmVnaW9uc1sw XS5maXJzdF9jcHUgPSAwOwpkaWZmIC0tZ2l0IGEveGVuL2luY2x1ZGUvYXNtLWFybS9naWNfdjNf ZGVmcy5oIGIveGVuL2luY2x1ZGUvYXNtLWFybS9naWNfdjNfZGVmcy5oCmluZGV4IDY1YzlkYzQ3 Y2YuLmJiMzRkMTdlY2EgMTAwNjQ0Ci0tLSBhL3hlbi9pbmNsdWRlL2FzbS1hcm0vZ2ljX3YzX2Rl ZnMuaAorKysgYi94ZW4vaW5jbHVkZS9hc20tYXJtL2dpY192M19kZWZzLmgKQEAgLTE4LDYgKzE4 LDggQEAKICNpZm5kZWYgX19BU01fQVJNX0dJQ19WM19ERUZTX0hfXwogI2RlZmluZSBfX0FTTV9B Uk1fR0lDX1YzX0RFRlNfSF9fCiAKKyNpbmNsdWRlIDx4ZW4vc2l6ZXMuaD4KKwogLyoKICAqIEFk ZGl0aW9uYWwgcmVnaXN0ZXJzIGRlZmluZWQgaW4gR0lDIHYzLgogICogQ29tbW9uIEdJQ0QgcmVn aXN0ZXJzIGFyZSBkZWZpbmVkIGluIGdpYy5oCkBAIC02OCw2ICs3MCw5IEBACiAjZGVmaW5lIEdJ Q1YzX0dJQ0RfSUlEUl9WQUwgICAgICAgICAgMHgzNGMKICNkZWZpbmUgR0lDVjNfR0lDUl9JSURS X1ZBTCAgICAgICAgICBHSUNWM19HSUNEX0lJRFJfVkFMCiAKKy8qIFR3byBwYWdlcyBmb3IgdGhl IFJEX2Jhc2UgYW5kIFNHSV9iYXNlIHJlZ2lzdGVyIGZyYW1lLiAqLworI2RlZmluZSBHSUNWM19H SUNSX1NJWkUgICAgICAgICAgICAgICgyICogU1pfNjRLKQorCiAjZGVmaW5lIEdJQ1JfQ1RMUiAg ICAgICAgICAgICAgICAgICAgKDB4MDAwMCkKICNkZWZpbmUgR0lDUl9JSURSICAgICAgICAgICAg ICAgICAgICAoMHgwMDA0KQogI2RlZmluZSBHSUNSX1RZUEVSICAgICAgICAgICAgICAgICAgICgw eDAwMDgpCi0tIAoyLjE0LjEKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9q ZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVu LWRldmVs