From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Ostrovsky Subject: [PATCH RFC 17/20] x86: Allow LAPIC-only emulation_flags for HVM guests Date: Tue, 5 Apr 2016 21:25:46 -0400 Message-ID: <1459905949-10358-18-git-send-email-boris.ostrovsky@oracle.com> References: <1459905949-10358-1-git-send-email-boris.ostrovsky@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1459905949-10358-1-git-send-email-boris.ostrovsky@oracle.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: Andrew Cooper , Boris Ostrovsky , Keir Fraser , Jan Beulich , roger.pau@citrix.com List-Id: xen-devel@lists.xenproject.org UFZIIGd1ZXN0cyBtYXkgcmVxdWVzdCBMQVBJQyBlbXVsYXRpb24gKGFuZCBub3RoaW5nIGVsc2Up CgpTaWduZWQtb2ZmLWJ5OiBCb3JpcyBPc3Ryb3Zza3kgPGJvcmlzLm9zdHJvdnNreUBvcmFjbGUu Y29tPgotLS0KIHhlbi9hcmNoL3g4Ni9kb21haW4uYyB8IDI2ICsrKysrKysrKysrKysrKystLS0t LS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMTYgaW5zZXJ0aW9ucygrKSwgMTAgZGVsZXRpb25zKC0p CgpkaWZmIC0tZ2l0IGEveGVuL2FyY2gveDg2L2RvbWFpbi5jIGIveGVuL2FyY2gveDg2L2RvbWFp bi5jCmluZGV4IGE2ZDcyMWIuLjNiNjE0ZDcgMTAwNjQ0Ci0tLSBhL3hlbi9hcmNoL3g4Ni9kb21h aW4uYworKysgYi94ZW4vYXJjaC94ODYvZG9tYWluLmMKQEAgLTU0MCwyNSArNTQwLDMxIEBAIGlu dCBhcmNoX2RvbWFpbl9jcmVhdGUoc3RydWN0IGRvbWFpbiAqZCwgdW5zaWduZWQgaW50IGRvbWNy X2ZsYWdzLAogICAgIH0KICAgICBlbHNlCiAgICAgewotICAgICAgICBpZiAoIChjb25maWctPmVt dWxhdGlvbl9mbGFncyAmIH5YRU5fWDg2X0VNVV9BTEwpICE9IDAgKQorICAgICAgICB1aW50MzJf dCBlbWZsYWdzOworCisgICAgICAgIGlmICggaXNfaGFyZHdhcmVfZG9tYWluKGQpICkKKyAgICAg ICAgICAgIGNvbmZpZy0+ZW11bGF0aW9uX2ZsYWdzIHw9IFhFTl9YODZfRU1VX1BJVDsKKworICAg ICAgICBlbWZsYWdzID0gY29uZmlnLT5lbXVsYXRpb25fZmxhZ3M7CisgICAgICAgIGlmICggKGVt ZmxhZ3MgJiB+WEVOX1g4Nl9FTVVfQUxMKSAhPSAwICkKICAgICAgICAgewogICAgICAgICAgICAg cHJpbnRrKFhFTkxPR19HX0VSUiAiZCVkOiBJbnZhbGlkIGVtdWxhdGlvbiBiaXRtYXA6ICUjeFxu IiwKLSAgICAgICAgICAgICAgICAgICBkLT5kb21haW5faWQsIGNvbmZpZy0+ZW11bGF0aW9uX2Zs YWdzKTsKKyAgICAgICAgICAgICAgICAgICBkLT5kb21haW5faWQsIGVtZmxhZ3MpOwogICAgICAg ICAgICAgcmV0dXJuIC1FSU5WQUw7CiAgICAgICAgIH0KLSAgICAgICAgaWYgKCBpc19oYXJkd2Fy ZV9kb21haW4oZCkgKQotICAgICAgICAgICAgY29uZmlnLT5lbXVsYXRpb25fZmxhZ3MgfD0gWEVO X1g4Nl9FTVVfUElUOwotICAgICAgICBpZiAoIGNvbmZpZy0+ZW11bGF0aW9uX2ZsYWdzICE9IDAg JiYKLSAgICAgICAgICAgICAoY29uZmlnLT5lbXVsYXRpb25fZmxhZ3MgIT0KLSAgICAgICAgICAg ICAgKGlzX2h2bV9kb21haW4oZCkgPyBYRU5fWDg2X0VNVV9BTEwgOiBYRU5fWDg2X0VNVV9QSVQp KSApCisKKyAgICAgICAgLyogUFZIIGd1ZXN0cyBjYW4gcmVxdWVzdCBlbXVsYXRlZCBBUElDICov CisgICAgICAgIGlmICggZW1mbGFncyAmJgorICAgICAgICAgICAgKGlzX2h2bV9kb21haW4oZCkg PyAoKGVtZmxhZ3MgIT0gWEVOX1g4Nl9FTVVfQUxMKSAmJgorICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgKGVtZmxhZ3MgIT0gWEVOX1g4Nl9FTVVfTEFQSUMpKSA6CisgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgIChlbWZsYWdzICE9IFhFTl9YODZfRU1VX1BJVCkpICkKICAg ICAgICAgewogICAgICAgICAgICAgcHJpbnRrKFhFTkxPR19HX0VSUiAiZCVkOiBYZW4gZG9lcyBu b3QgYWxsb3cgJXMgZG9tYWluIGNyZWF0aW9uICIKICAgICAgICAgICAgICAgICAgICAid2l0aCB0 aGUgY3VycmVudCBzZWxlY3Rpb24gb2YgZW11bGF0b3JzOiAlI3hcbiIsCi0gICAgICAgICAgICAg ICAgICAgZC0+ZG9tYWluX2lkLCBpc19odm1fZG9tYWluKGQpID8gIkhWTSIgOiAiUFYiLAotICAg ICAgICAgICAgICAgICAgIGNvbmZpZy0+ZW11bGF0aW9uX2ZsYWdzKTsKKyAgICAgICAgICAgICAg ICAgICBkLT5kb21haW5faWQsIGlzX2h2bV9kb21haW4oZCkgPyAiSFZNIiA6ICJQViIsIGVtZmxh Z3MpOwogICAgICAgICAgICAgcmV0dXJuIC1FT1BOT1RTVVBQOwogICAgICAgICB9Ci0gICAgICAg IGQtPmFyY2guZW11bGF0aW9uX2ZsYWdzID0gY29uZmlnLT5lbXVsYXRpb25fZmxhZ3M7CisgICAg ICAgIGQtPmFyY2guZW11bGF0aW9uX2ZsYWdzID0gZW1mbGFnczsKICAgICB9CiAKICAgICBpZiAo IGhhc19odm1fY29udGFpbmVyX2RvbWFpbihkKSApCi0tIAoyLjQuMwoKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QK WGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cDovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==