From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mirela Simonovic Subject: [PATCH 6/7] xen/arm: Setup virtual paging for secondary CPUs in non-boot scenario Date: Wed, 11 Apr 2018 15:19:26 +0200 Message-ID: <20180411131927.27083-7-mirela.simonovic@aggios.com> References: <20180411131927.27083-1-mirela.simonovic@aggios.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180411131927.27083-1-mirela.simonovic@aggios.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: edgar.iglesias@xilinx.com, sstabellini@kernel.org, Mirela Simonovic , dm@aggios.com, julien.grall@arm.org List-Id: xen-devel@lists.xenproject.org SW4gZXhpc3RpbmcgY29kZSB0aGUgcGFnaW5nIGZvciBzZWNvbmRhcnkgQ1BVcyBpcyBzZXR1cCBv bmx5IGluIGJvb3QgZmxvdy4KVGhlIHNldHVwIGlzIHRyaWdnZXJlZCBmcm9tIHN0YXJ0X3hlbiBm dW5jdGlvbiBhZnRlciBhbGwgQ1BVcyBhcmUgYnJvdWdodApvbmxpbmUuIEluIG90aGVyIHdvcmRz LCB0aGUgaW5pdGlhbGl6YXRpb24gb2YgVlRDUl9FTDIgcmVnaXN0ZXIgaXMgZG9uZQpvdXQgb2Yg dGhlIGNwdV91cC9zdGFydF9zZWNvbmRhcnkgY29udHJvbCBmbG93LiBIb3dldmVyLCB0aGUgY3B1 X3VwIGZsb3cKc2hvdWxkIGJlIHNlbGYtY29udGFpbmVkIC0gaXQgc2hvdWxkIGZ1bGx5IGluaXRp YWxpemUgYSBzZWNvbmRhcnkgQ1BVLApiZWNhdXNlIHRoZSBjcHVfdXAgaXMgdXNlZCBub3Qgb25s eSB0byBicmluZyBhIHNlY29uZGFyeSBDUFUgb25saW5lIG9uCmJvb3QsIGJ1dCBhbHNvIHRvIGhv dHBsdWcgYSBDUFUgZHVyaW5nIHRoZSBzeXN0ZW0gcmVzdW1lLgpXaXRoIHRoaXMgcGF0Y2ggdGhl IHNldHRpbmcgb2YgcGFnaW5nIGlzIHRyaWdnZXJlZCBmcm9tIHN0YXJ0X3NlY29uZGFyeQpmdW5j dGlvbiBpZiB0aGUgY3VycmVudCBzeXN0ZW0gc3RhdGUgaXMgbm90IGJvb3QuIFRoaXMgd2F5LCB0 aGUgcGFnaW5nCndpbGwgYmUgc2V0dXAgaW4gbm9uLWJvb3Qgc2NlbmFyaW9zLCB3aGlsZSB0aGUg c2V0dXAgaW4gYm9vdCBzY2VuYXJpbwpyZW1haW5zIHVuY2hhbmdlZC4KClNpZ25lZC1vZmYtYnk6 IE1pcmVsYSBTaW1vbm92aWMgPG1pcmVsYS5zaW1vbm92aWNAYWdnaW9zLmNvbT4KLS0tCiB4ZW4v YXJjaC9hcm0vcDJtLmMgICAgICAgIHwgMTAgKysrKysrKystLQogeGVuL2FyY2gvYXJtL3NtcGJv b3QuYyAgICB8ICAzICsrKwogeGVuL2luY2x1ZGUvYXNtLWFybS9wMm0uaCB8ICAzICsrKwogMyBm aWxlcyBjaGFuZ2VkLCAxNCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdp dCBhL3hlbi9hcmNoL2FybS9wMm0uYyBiL3hlbi9hcmNoL2FybS9wMm0uYwppbmRleCBkNDNjM2Fh ODk2Li5kMDQxYjRkMjRiIDEwMDY0NAotLS0gYS94ZW4vYXJjaC9hcm0vcDJtLmMKKysrIGIveGVu L2FyY2gvYXJtL3AybS5jCkBAIC0xNDUxLDkgKzE0NTEsMTUgQEAgZXJyOgogICAgIHJldHVybiBw YWdlOwogfQogCi1zdGF0aWMgdm9pZCBfX2luaXQgc2V0dXBfdmlydF9wYWdpbmdfb25lKHZvaWQg KmRhdGEpCit2b2lkIHNldHVwX3ZpcnRfcGFnaW5nX29uZSh2b2lkICpkYXRhKQogewotICAgIHVu c2lnbmVkIGxvbmcgdmFsID0gKHVuc2lnbmVkIGxvbmcpZGF0YTsKKyAgICBzdGF0aWMgdW5zaWdu ZWQgbG9uZyB2dGNyX2RhdGE7CisgICAgdW5zaWduZWQgbG9uZyB2YWw7CisKKyAgICBpZiAoIGRh dGEgKQorICAgICAgICB2dGNyX2RhdGEgPSAodW5zaWduZWQgbG9uZylkYXRhOworICAgIHZhbCA9 IHZ0Y3JfZGF0YTsKKwogICAgIFdSSVRFX1NZU1JFRzMyKHZhbCwgVlRDUl9FTDIpOwogICAgIGlz YigpOwogfQpkaWZmIC0tZ2l0IGEveGVuL2FyY2gvYXJtL3NtcGJvb3QuYyBiL3hlbi9hcmNoL2Fy bS9zbXBib290LmMKaW5kZXggZDE1ZWE4ZGY1ZS4uZGFlNDQyNzMyMCAxMDA2NDQKLS0tIGEveGVu L2FyY2gvYXJtL3NtcGJvb3QuYworKysgYi94ZW4vYXJjaC9hcm0vc21wYm9vdC5jCkBAIC0zNjAs NiArMzYwLDkgQEAgdm9pZCBzdGFydF9zZWNvbmRhcnkodW5zaWduZWQgbG9uZyBib290X3BoeXNf b2Zmc2V0LAogCiAgICAgY2hlY2tfbG9jYWxfY3B1X2VycmF0YSgpOwogCisgICAgaWYgKCBzeXN0 ZW1fc3RhdGUgIT0gU1lTX1NUQVRFX2Jvb3QgKQorICAgICAgICBzZXR1cF92aXJ0X3BhZ2luZ19v bmUoTlVMTCk7CisKICAgICBwcmludGsoWEVOTE9HX0RFQlVHICJDUFUgJXUgYm9vdGVkLlxuIiwg c21wX3Byb2Nlc3Nvcl9pZCgpKTsKIAogICAgIHN0YXJ0dXBfY3B1X2lkbGVfbG9vcCgpOwpkaWZm IC0tZ2l0IGEveGVuL2luY2x1ZGUvYXNtLWFybS9wMm0uaCBiL3hlbi9pbmNsdWRlL2FzbS1hcm0v cDJtLmgKaW5kZXggODgyMzcwN2MxNy4uNmNjMzZlYmJjMyAxMDA2NDQKLS0tIGEveGVuL2luY2x1 ZGUvYXNtLWFybS9wMm0uaAorKysgYi94ZW4vaW5jbHVkZS9hc20tYXJtL3AybS5oCkBAIC0xNTMs NiArMTUzLDkgQEAgdm9pZCBwMm1fYWx0cDJtX2NoZWNrKHN0cnVjdCB2Y3B1ICp2LCB1aW50MTZf dCBpZHgpCiAvKiBTZWNvbmQgc3RhZ2UgcGFnaW5nIHNldHVwLCB0byBiZSBjYWxsZWQgb24gYWxs IENQVXMgKi8KIHZvaWQgc2V0dXBfdmlydF9wYWdpbmcodm9pZCk7CiAKKy8qIFNlY29uZCBzdGFn ZSBwYWdpbmcgc2V0dXAsIHRvIGJlIGNhbGxlZCBieSBvbmUgQ1BVIG91dCBvZiB0aGUgYm9vdCBm bG93ICovCit2b2lkIHNldHVwX3ZpcnRfcGFnaW5nX29uZSh2b2lkICpkYXRhKTsKKwogLyogSW5p dCB0aGUgZGF0YXN0cnVjdHVyZXMgZm9yIGxhdGVyIHVzZSBieSB0aGUgcDJtIGNvZGUgKi8KIGlu dCBwMm1faW5pdChzdHJ1Y3QgZG9tYWluICpkKTsKIAotLSAKMi4xMy4wCgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==