From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Suthikulpanit, Suravee" Subject: [RFC PATCH 5/8] svm: Add support for APIC_ACCESS_PAGE_PRIVATE_MEMSLOT setup/destroy Date: Mon, 4 Feb 2019 14:42:17 +0000 Message-ID: <20190204144128.9489-6-suravee.suthikulpanit@amd.com> References: <20190204144128.9489-1-suravee.suthikulpanit@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: "joro@8bytes.org" , "rkrcmar@redhat.com" , "pbonzini@redhat.com" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "hpa@zytor.com" , "jsteckli@amazon.de" , "sironi@amazon.de" , "wawei@amazon.de" , "Suthikulpanit, Suravee" To: "linux-kernel@vger.kernel.org" , "kvm@vger.kernel.org" , "x86@kernel.org" Return-path: In-Reply-To: <20190204144128.9489-1-suravee.suthikulpanit@amd.com> Content-Language: en-US Content-ID: Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org QWN0aXZhdGUvZGVhY3RpdmF0ZSBBVklDIHJlcXVpcmVzIHNldHRpbmcvdW5zZXR0aW5nIHRoZSBt ZW1vcnkgcmVnaW9uIHVzZWQNCmZvciBBUElDX0FDQ0VTU19QQUdFX1BSSVZBVEVfTUVNU0xPVC4g U28sIHJlLWZhY3RvciBhdmljX2luaXRfYWNjZXNzX3BhZ2UoKQ0KdG8gYXZpY19zZXR1cF9hY2Nl c3NfcGFnZSgpIGFuZCBhZGQgc3JjdV9yZWFkX2xvY2svdW5sb2NrLCB3aGljaCBhcmUgbmVlZGVk DQp0byBhbGxvdyB0aGlzIGZ1bmN0aW9uIHRvIGJlIGNhbGxlZCBkdXJpbmcgcnVuLXRpbWUuDQoN CkFsc28sIGludHJvZHVjZSBhdmljX2Rlc3Ryb3lfYWNjZXNzX3BhZ2UoKSB0byB1bnNldCB0aGUg cGFnZSB3aGVuDQpkZWFjdGl2YXRlIEFWSUMuDQoNCkNjOiBQYW9sbyBCb256aW5pIDxwYm9uemlu aUByZWRoYXQuY29tPg0KQ2M6IFJhZGltIEtyxI1tw6HFmSA8cmtyY21hckByZWRoYXQuY29tPg0K U2lnbmVkLW9mZi1ieTogU3VyYXZlZSBTdXRoaWt1bHBhbml0IDxzdXJhdmVlLnN1dGhpa3VscGFu aXRAYW1kLmNvbT4NCi0tLQ0KIGFyY2gveDg2L2t2bS9zdm0uYyB8IDI4ICsrKysrKysrKysrKysr KysrKysrKysrKysrLS0NCiAxIGZpbGUgY2hhbmdlZCwgMjYgaW5zZXJ0aW9ucygrKSwgMiBkZWxl dGlvbnMoLSkNCg0KZGlmZiAtLWdpdCBhL2FyY2gveDg2L2t2bS9zdm0uYyBiL2FyY2gveDg2L2t2 bS9zdm0uYw0KaW5kZXggYzMzZjAyYjRhMTllLi5hMjNiMWU3N2FjYjYgMTAwNjQ0DQotLS0gYS9h cmNoL3g4Ni9rdm0vc3ZtLmMNCisrKyBiL2FyY2gveDg2L2t2bS9zdm0uYw0KQEAgLTE2NTgsNyAr MTY1OCw3IEBAIHN0YXRpYyB1NjQgKmF2aWNfZ2V0X3BoeXNpY2FsX2lkX2VudHJ5KHN0cnVjdCBr dm1fdmNwdSAqdmNwdSwNCiAgKiBmaWVsZCBvZiB0aGUgVk1DQi4gVGhlcmVmb3JlLCB3ZSBzZXQg dXAgdGhlDQogICogQVBJQ19BQ0NFU1NfUEFHRV9QUklWQVRFX01FTVNMT1QgKDRLQikgaGVyZS4N CiAgKi8NCi1zdGF0aWMgaW50IGF2aWNfaW5pdF9hY2Nlc3NfcGFnZShzdHJ1Y3Qga3ZtX3ZjcHUg KnZjcHUpDQorc3RhdGljIGludCBhdmljX3NldHVwX2FjY2Vzc19wYWdlKHN0cnVjdCBrdm1fdmNw dSAqdmNwdSwgYm9vbCBpbml0KQ0KIHsNCiAJc3RydWN0IGt2bSAqa3ZtID0gdmNwdS0+a3ZtOw0K IAlpbnQgcmV0ID0gMDsNCkBAIC0xNjY3LDEwICsxNjY3LDE0IEBAIHN0YXRpYyBpbnQgYXZpY19p bml0X2FjY2Vzc19wYWdlKHN0cnVjdCBrdm1fdmNwdSAqdmNwdSkNCiAJaWYgKGt2bS0+YXJjaC5h cGljX2FjY2Vzc19wYWdlX2RvbmUpDQogCQlnb3RvIG91dDsNCiANCisJaWYgKCFpbml0KQ0KKwkJ c3JjdV9yZWFkX3VubG9jaygma3ZtLT5zcmN1LCB2Y3B1LT5zcmN1X2lkeCk7DQogCXJldCA9IF9f eDg2X3NldF9tZW1vcnlfcmVnaW9uKGt2bSwNCiAJCQkJICAgICAgQVBJQ19BQ0NFU1NfUEFHRV9Q UklWQVRFX01FTVNMT1QsDQogCQkJCSAgICAgIEFQSUNfREVGQVVMVF9QSFlTX0JBU0UsDQogCQkJ CSAgICAgIFBBR0VfU0laRSk7DQorCWlmICghaW5pdCkNCisJCXZjcHUtPnNyY3VfaWR4ID0gc3Jj dV9yZWFkX2xvY2soJmt2bS0+c3JjdSk7DQogCWlmIChyZXQpDQogCQlnb3RvIG91dDsNCiANCkBA IC0xNjgwLDYgKzE2ODQsMjYgQEAgc3RhdGljIGludCBhdmljX2luaXRfYWNjZXNzX3BhZ2Uoc3Ry dWN0IGt2bV92Y3B1ICp2Y3B1KQ0KIAlyZXR1cm4gcmV0Ow0KIH0NCiANCitzdGF0aWMgdm9pZCBh dmljX2Rlc3Ryb3lfYWNjZXNzX3BhZ2Uoc3RydWN0IGt2bV92Y3B1ICp2Y3B1KQ0KK3sNCisJc3Ry dWN0IGt2bSAqa3ZtID0gdmNwdS0+a3ZtOw0KKw0KKwltdXRleF9sb2NrKCZrdm0tPnNsb3RzX2xv Y2spOw0KKw0KKwlpZiAoIWt2bS0+YXJjaC5hcGljX2FjY2Vzc19wYWdlX2RvbmUpDQorCQlnb3Rv IG91dDsNCisNCisJc3JjdV9yZWFkX3VubG9jaygma3ZtLT5zcmN1LCB2Y3B1LT5zcmN1X2lkeCk7 DQorCV9feDg2X3NldF9tZW1vcnlfcmVnaW9uKGt2bSwNCisJCQkJQVBJQ19BQ0NFU1NfUEFHRV9Q UklWQVRFX01FTVNMT1QsDQorCQkJCUFQSUNfREVGQVVMVF9QSFlTX0JBU0UsDQorCQkJCTApOw0K Kwl2Y3B1LT5zcmN1X2lkeCA9IHNyY3VfcmVhZF9sb2NrKCZrdm0tPnNyY3UpOw0KKwlrdm0tPmFy Y2guYXBpY19hY2Nlc3NfcGFnZV9kb25lID0gZmFsc2U7DQorb3V0Og0KKwltdXRleF91bmxvY2so Jmt2bS0+c2xvdHNfbG9jayk7DQorfQ0KKw0KIHN0YXRpYyBpbnQgYXZpY19pbml0X2JhY2tpbmdf cGFnZShzdHJ1Y3Qga3ZtX3ZjcHUgKnZjcHUpDQogew0KIAlpbnQgcmV0Ow0KQEAgLTE2ODcsNyAr MTcxMSw3IEBAIHN0YXRpYyBpbnQgYXZpY19pbml0X2JhY2tpbmdfcGFnZShzdHJ1Y3Qga3ZtX3Zj cHUgKnZjcHUpDQogCWludCBpZCA9IHZjcHUtPnZjcHVfaWQ7DQogCXN0cnVjdCB2Y3B1X3N2bSAq c3ZtID0gdG9fc3ZtKHZjcHUpOw0KIA0KLQlyZXQgPSBhdmljX2luaXRfYWNjZXNzX3BhZ2UodmNw dSk7DQorCXJldCA9IGF2aWNfc2V0dXBfYWNjZXNzX3BhZ2UodmNwdSwgdHJ1ZSk7DQogCWlmIChy ZXQpDQogCQlyZXR1cm4gcmV0Ow0KIA0KLS0gDQoyLjE3LjENCg0K