From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Chen Subject: [PATCH v2 17/19] xen/arm: Isolate the SError between the context switch of 2 vCPUs Date: Thu, 30 Mar 2017 17:13:27 +0800 Message-ID: <1490865209-18283-18-git-send-email-Wei.Chen@arm.com> References: <1490865209-18283-1-git-send-email-Wei.Chen@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1490865209-18283-1-git-send-email-Wei.Chen@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: sstabellini@kernel.org, wei.chen@arm.com, steve.capper@arm.com, Kaly.Xin@arm.com, julien.grall@arm.com, nd@arm.com List-Id: xen-devel@lists.xenproject.org SWYgdGhlcmUgaXMgYSBwZW5kaW5nIFNFcnJvciB3aGlsZSB3ZSBhcmUgZG9pbmcgY29udGV4dCBz d2l0Y2gsIGlmIHRoZQpTRXJyb3IgaGFuZGxlIG9wdGlvbiBpcyAiRk9SV0FSRCIsIFdlIGhhdmUg dG8gZ3VyYW5hdGVlIHRoaXMgc2Vycm9yIHRvCmJlIGNhdWdodCBieSBjdXJyZW50IHZDUFUsIG90 aGVyd2lzZSBpdCB3aWxsIGJlIGNhdWdodCBieSBuZXh0IHZDUFUgYW5kCmJlIGZvcndhcmRlZCB0 byB0aGlzIHdyb25nIHZDUFUuCgpTbyB3ZSBoYXZlIHRvIHN5bmNocm9uaXplIFNFcnJvciBiZWZv cmUgc3dpdGNoIHRvIG5leHQgdkNQVS4gQnV0IHRoaXMgaXMKb25seSByZXF1aXJlZCBieSAiRk9S V0FSRCIgb3B0aW9uLiBJbiB0aGlzIGNhc2Ugd2UgYWRkZWQgYSBuZXcgZmxhZwpTS0lQX0NUWFRf U1dJVENIX1NFUlJPUl9TWU5DIGluIGNwdV9od2NhcHMgdG8gc2tpcCBzeW5jaHJvbml6aW5nIFNF cnJvcgppbiBjb250ZXh0IHN3aXRjaCBmb3Igb3RoZXIgb3B0aW9ucy4gSW4gdGhlIG1lYW50aW1l LCB3ZSBkb24ndCBuZWVkIHRvCmV4cG9ydCBzZXJyb3Jfb3AgYWNjZXNzaW5nIHRvIG90aGVyIHNv dXJjZSBmaWxlcy4KClNpZ25lZC1vZmYtYnk6IFdlaSBDaGVuIDxXZWkuQ2hlbkBhcm0uY29tPgot LS0KdjEtPnYyOgoxLiBBZGRlZCBhIG5ldyBmbGFnIGluIGNwdV9od2NhcHMgdG8gYXZvaWQgdXNp bmcgc2Vycm9yX29wIHRvIHNraXAKICAgc3luY2hyb25pemluZyBTRXJyb3IgaW4gY29udGV4dCBz d2l0Y2guCjIuIFVwZGF0ZSBjb21taXQgbWVzc2FnZSB0byBleHBsYWluIHdoeSB3ZSBhZGRlZCB0 aGlzIGNwdV9od2NhcHMuCi0tLQogeGVuL2FyY2gvYXJtL2RvbWFpbi5jICAgICAgICAgICAgfCAx NCArKysrKysrKysrKysrKwogeGVuL2FyY2gvYXJtL3RyYXBzLmMgICAgICAgICAgICAgfCAgMyAr KysKIHhlbi9pbmNsdWRlL2FzbS1hcm0vY3B1ZmVhdHVyZS5oIHwgIDMgKystCiAzIGZpbGVzIGNo YW5nZWQsIDE5IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS94ZW4v YXJjaC9hcm0vZG9tYWluLmMgYi94ZW4vYXJjaC9hcm0vZG9tYWluLmMKaW5kZXggMThiMzRlNy4u ZTg2NmVkMyAxMDA2NDQKLS0tIGEveGVuL2FyY2gvYXJtL2RvbWFpbi5jCisrKyBiL3hlbi9hcmNo L2FybS9kb21haW4uYwpAQCAtMjksNiArMjksNyBAQAogI2luY2x1ZGUgPGFzbS9jcHVmZWF0dXJl Lmg+CiAjaW5jbHVkZSA8YXNtL3ZmcC5oPgogI2luY2x1ZGUgPGFzbS9wcm9jaW5mby5oPgorI2lu Y2x1ZGUgPGFzbS9hbHRlcm5hdGl2ZS5oPgogCiAjaW5jbHVkZSA8YXNtL2dpYy5oPgogI2luY2x1 ZGUgPGFzbS92Z2ljLmg+CkBAIC0zMjYsNiArMzI3LDE5IEBAIHZvaWQgY29udGV4dF9zd2l0Y2go c3RydWN0IHZjcHUgKnByZXYsIHN0cnVjdCB2Y3B1ICpuZXh0KQogCiAgICAgbG9jYWxfaXJxX2Rp c2FibGUoKTsKIAorICAgIC8qCisgICAgICogSWYgdGhlIFNFcnJvcnMgb3B0aW9uIGlzICJGT1JX QVJEIiwgd2UgaGF2ZSB0byBwcmV2ZW50IGZvcndhcmRpbmcKKyAgICAgKiBzZXJyb3IgdG8gd3Jv bmcgdkNQVS4gU28gYmVmb3JlIGNvbnRleHQgc3dpdGNoLCB3ZSBoYXZlIHRvIHVzZSB0aGUKKyAg ICAgKiBzeW5jaHJvbml6ZV9zZXJyb3IgdG8gZ3VhcmFudGVlIHRoYXQgdGhlIHBlbmRpbmcgc2Vy cm9yIHdvdWxkIGJlCisgICAgICogY2F1Z2h0IGJ5IGN1cnJlbnQgdkNQVS4KKyAgICAgKgorICAg ICAqIFRoZSBTS0lQX0NUWFRfU1dJVENIX1NFUlJPUl9TWU5DIHdpbGwgYmUgc2V0IHRvIGNwdV9o d2NhcHMgd2hlbiB0aGUKKyAgICAgKiBTRXJyb3JzIG9wdGlvbiBpcyBOT1QgIkZPUldBUkQiLgor ICAgICAqLworICAgIGFzbSB2b2xhdGlsZShBTFRFUk5BVElWRSgiYmwgc3luY2hyb25pemVfc2Vy cm9yIiwKKyAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIm5vcCIsCisgICAgICAgICAgICAg ICAgICAgICAgICAgICAgIFNLSVBfQ1RYVF9TV0lUQ0hfU0VSUk9SX1NZTkMpKTsKKwogICAgIHNl dF9jdXJyZW50KG5leHQpOwogCiAgICAgcHJldiA9IF9fY29udGV4dF9zd2l0Y2gocHJldiwgbmV4 dCk7CmRpZmYgLS1naXQgYS94ZW4vYXJjaC9hcm0vdHJhcHMuYyBiL3hlbi9hcmNoL2FybS90cmFw cy5jCmluZGV4IDU1ZDg1ZWQuLjliNDU0NmUgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL2FybS90cmFw cy5jCisrKyBiL3hlbi9hcmNoL2FybS90cmFwcy5jCkBAIC0xMjUsNiArMTI1LDkgQEAgc3RhdGlj IGludCBfX2luaXQgdXBkYXRlX3NlcnJvcnNfY3B1X2NhcHModm9pZCkKICAgICBpZiAoIHNlcnJv cnNfb3AgIT0gU0VSUk9SU19ESVZFUlNFICkKICAgICAgICAgY3B1c19zZXRfY2FwKFNLSVBfQ0hF Q0tfUEVORElOR19WU0VSUk9SKTsKIAorICAgIGlmICggc2Vycm9yc19vcCAhPSBTRVJST1JTX0ZP UldBUkQgKQorICAgICAgICBjcHVzX3NldF9jYXAoU0tJUF9DVFhUX1NXSVRDSF9TRVJST1JfU1lO Qyk7CisKICAgICByZXR1cm4gMDsKIH0KIF9faW5pdGNhbGwodXBkYXRlX3NlcnJvcnNfY3B1X2Nh cHMpOwpkaWZmIC0tZ2l0IGEveGVuL2luY2x1ZGUvYXNtLWFybS9jcHVmZWF0dXJlLmggYi94ZW4v aW5jbHVkZS9hc20tYXJtL2NwdWZlYXR1cmUuaAppbmRleCBlYzNmOWU1Li45OWVjYjJiIDEwMDY0 NAotLS0gYS94ZW4vaW5jbHVkZS9hc20tYXJtL2NwdWZlYXR1cmUuaAorKysgYi94ZW4vaW5jbHVk ZS9hc20tYXJtL2NwdWZlYXR1cmUuaApAQCAtNDEsOCArNDEsOSBAQAogI2RlZmluZSBBUk02NF9X T1JLQVJPVU5EXzgzNDIyMCAzCiAjZGVmaW5lIExJVkVQQVRDSF9GRUFUVVJFICAgNAogI2RlZmlu ZSBTS0lQX0NIRUNLX1BFTkRJTkdfVlNFUlJPUiA1CisjZGVmaW5lIFNLSVBfQ1RYVF9TV0lUQ0hf U0VSUk9SX1NZTkMgNgogCi0jZGVmaW5lIEFSTV9OQ0FQUyAgICAgICAgICAgNgorI2RlZmluZSBB Uk1fTkNBUFMgICAgICAgICAgIDcKIAogI2lmbmRlZiBfX0FTU0VNQkxZX18KIAotLSAKMi43LjQK CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2 ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVu Lm9yZy94ZW4tZGV2ZWwK