From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: [PATCH RFC 09/44] x86/mm: Track the current %cr3 in a per_cpu variable Date: Thu, 4 Jan 2018 20:21:34 +0000 Message-ID: <1515097329-31902-10-git-send-email-andrew.cooper3@citrix.com> References: <1515097329-31902-1-git-send-email-andrew.cooper3@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1515097329-31902-1-git-send-email-andrew.cooper3@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Xen-devel Cc: Andrew Cooper List-Id: xen-devel@lists.xenproject.org Li4uIGFuZCBhc3NlcnQgdGhhdCBpdCBpc24ndCBjaGFuZ2luZyB1bmRlciBvdXIgZmVldC4gIGVh cmx5X3N3aXRjaF90b19pZGxlKCkKaXMgYWRqdXN0ZWQgdG8gc2V0IHRoZSBzaGFkb3cgaW5pdGlh bGx5LCB3aGVuIHN3aXRjaGluZyBvZmYgaWRsZV9wZ190YWJsZVtdLgoKRUZJIFJ1bnRpbWUgU2Vy dmljZSBoYW5kbGluZyBoYXBwZW5zIHN5bmNocm9ub3VzbHkgYW5kIHVuZGVyIGxvY2ssIHNvIGRv ZXNuJ3QKaW50ZXJhY3Qgd2l0aCB0aGlzIHBhdGguCgpTaWduZWQtb2ZmLWJ5OiBBbmRyZXcgQ29v cGVyIDxhbmRyZXcuY29vcGVyM0BjaXRyaXguY29tPgotLS0KIHhlbi9hcmNoL3g4Ni9tbS5jICAg ICAgICB8IDkgKysrKysrKysrCiB4ZW4vYXJjaC94ODYvc2V0dXAuYyAgICAgfCAyICsrCiB4ZW4v aW5jbHVkZS9hc20teDg2L21tLmggfCAyICsrCiAzIGZpbGVzIGNoYW5nZWQsIDEzIGluc2VydGlv bnMoKykKCmRpZmYgLS1naXQgYS94ZW4vYXJjaC94ODYvbW0uYyBiL3hlbi9hcmNoL3g4Ni9tbS5j CmluZGV4IDI1Zjk1ODguLmY4NWVmNmMgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL3g4Ni9tbS5jCisr KyBiL3hlbi9hcmNoL3g4Ni9tbS5jCkBAIC00OTcsMTQgKzQ5NywyMyBAQCB2b2lkIG1ha2VfY3Iz KHN0cnVjdCB2Y3B1ICp2LCBtZm5fdCBtZm4pCiAgICAgdi0+YXJjaC5jcjMgPSBtZm5feChtZm4p IDw8IFBBR0VfU0hJRlQ7CiB9CiAKK0RFRklORV9QRVJfQ1BVKHVuc2lnbmVkIGxvbmcsIGN1cnJf cHRiYXNlKTsKKwogdm9pZCBkb193cml0ZV9wdGJhc2Uoc3RydWN0IHZjcHUgKnYsIGJvb2wgdGxi X21haW50ZW5hbmNlKQogewogICAgIHVuc2lnbmVkIGxvbmcgbmV3X2NyMyA9IHYtPmFyY2guY3Iz OworICAgIHVuc2lnbmVkIGludCBjcHUgPSBzbXBfcHJvY2Vzc29yX2lkKCk7CisgICAgdW5zaWdu ZWQgbG9uZyAqdGhpc19jdXJyX3B0YmFzZSA9ICZwZXJfY3B1KGN1cnJfcHRiYXNlLCBjcHUpOwor CisgICAgLyogQ2hlY2sgdGhhdCAlY3IzIGlzbid0IGJlaW5nIHNodWZmbGVkIHVuZGVyIG91ciBm ZWV0LiAqLworICAgIEFTU0VSVCgqdGhpc19jdXJyX3B0YmFzZSA9PSByZWFkX2NyMygpKTsKIAog ICAgIGlmICggdGxiX21haW50ZW5hbmNlICkKICAgICAgICAgd3JpdGVfY3IzKG5ld19jcjMpOwog ICAgIGVsc2UKICAgICAgICAgYXNtIHZvbGF0aWxlICggIm1vdiAlMCwgJSVjcjMiIDo6ICJyIiAo bmV3X2NyMykgOiAibWVtb3J5IiApOworCisgICAgKnRoaXNfY3Vycl9wdGJhc2UgPSBuZXdfY3Iz OwogfQogCiAvKgpkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L3NldHVwLmMgYi94ZW4vYXJjaC94 ODYvc2V0dXAuYwppbmRleCBiOGU1MmNmLi43YTA1YTdjIDEwMDY0NAotLS0gYS94ZW4vYXJjaC94 ODYvc2V0dXAuYworKysgYi94ZW4vYXJjaC94ODYvc2V0dXAuYwpAQCAtMjU0LDYgKzI1NCw4IEBA IHZvaWQgZWFybHlfc3dpdGNoX3RvX2lkbGUodm9pZCkKICAgICAgICAgICAgICAgICAgICAgW2Ny M10gICJyIiAodi0+YXJjaC5jcjMpLAogICAgICAgICAgICAgICAgICAgICBbcGdlXSAgInIiIChj cjQpCiAgICAgICAgICAgICAgICAgICAgOiAibWVtb3J5IiApOworCisgICAgcGVyX2NwdShjdXJy X3B0YmFzZSwgY3B1KSA9IHYtPmFyY2guY3IzOwogfQogCiBzdGF0aWMgdm9pZCBfX2luaXQgaW5p dF9pZGxlX2RvbWFpbih2b2lkKQpkaWZmIC0tZ2l0IGEveGVuL2luY2x1ZGUvYXNtLXg4Ni9tbS5o IGIveGVuL2luY2x1ZGUvYXNtLXg4Ni9tbS5oCmluZGV4IDRhZjZiMjMuLmNlYjdkZDQgMTAwNjQ0 Ci0tLSBhL3hlbi9pbmNsdWRlL2FzbS14ODYvbW0uaAorKysgYi94ZW4vaW5jbHVkZS9hc20teDg2 L21tLmgKQEAgLTU2MSw2ICs1NjEsOCBAQCB2b2lkIGF1ZGl0X2RvbWFpbnModm9pZCk7CiAKICNl bmRpZgogCitERUNMQVJFX1BFUl9DUFUodW5zaWduZWQgbG9uZywgY3Vycl9wdGJhc2UpOworCiB2 b2lkIG1ha2VfY3IzKHN0cnVjdCB2Y3B1ICp2LCBtZm5fdCBtZm4pOwogdm9pZCB1cGRhdGVfY3Iz KHN0cnVjdCB2Y3B1ICp2KTsKIGludCB2Y3B1X2Rlc3Ryb3lfcGFnZXRhYmxlcyhzdHJ1Y3QgdmNw dSAqKTsKLS0gCjIuMS40CgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVj dC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1k ZXZlbA==