From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB0CEC432C1 for ; Tue, 24 Sep 2019 15:23:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BE35C20665 for ; Tue, 24 Sep 2019 15:23:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lyhhPpQH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BE35C20665 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Iie+ycq9f1QjB3qhh7R0ta7IYNn6Ge5cTaeS8fRtVSE=; b=lyhhPpQHLLh8FM PWa15/D8F7iw6CSwYVXd/yvetVg2Dvm3YqjfMtq+dko9gaucxgHmkbpj9R+6M95puVvYZQHr79LIr FlTBvs0Pa2XlFP1UtFnZ+tCaOF/ezyNfWgFCPteysVTWjvhGT8PZdXcMV/taFWRsDu4EP96Lv9aAy u9hNnjZgbwzcQqrPIx7nJcBLlhgQYntfO7RjnbBxc7DfqVN0zziofmCzERZ5szbHZkcQlAQLABw/K ONM7/TtHJ9KXd+bY+mmrzoTbzx7oSWDhNJ8O7F8ImG3jUaPpqo6kmPLN/ror/ZSJVCT85IW0pvh8T oLMGyNQLEWAlWH8mNyXg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iCmek-0002mY-74; Tue, 24 Sep 2019 15:23:10 +0000 Received: from szxga06-in.huawei.com ([45.249.212.32] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iCmeC-0002Q1-M8 for linux-arm-kernel@lists.infradead.org; Tue, 24 Sep 2019 15:22:39 +0000 Received: from DGGEMS401-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 4F6A85461CE3B3AB5C3B; Tue, 24 Sep 2019 23:22:34 +0800 (CST) Received: from linux-Bxxcye.huawei.com (10.175.104.222) by DGGEMS401-HUB.china.huawei.com (10.3.19.201) with Microsoft SMTP Server id 14.3.439.0; Tue, 24 Sep 2019 23:22:24 +0800 From: Heyi Guo To: , , , , Subject: [RFC PATCH 2/2] kvm/arm64: expose hypercall_forwarding capability Date: Tue, 24 Sep 2019 23:20:54 +0800 Message-ID: <1569338454-26202-3-git-send-email-guoheyi@huawei.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1569338454-26202-1-git-send-email-guoheyi@huawei.com> References: <1569338454-26202-1-git-send-email-guoheyi@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.104.222] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190924_082237_032261_91FC84A6 X-CRM114-Status: GOOD ( 10.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Peter Maydell , Suzuki K Poulose , Marc Zyngier , Catalin Marinas , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , James Morse , Paolo Bonzini , Heyi Guo , wanghaibin.wang@huawei.com, Will Deacon , Dave Martin , Julien Thierry Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org QWRkIG5ldyBLVk0gY2FwYWJpbGl0eSAiS1ZNX0NBUF9GT1JXQVJEX0hZUEVSQ0FMTCIgZm9yIHVz ZXIgc3BhY2UgdG8KcHJvYmUgd2hldGhlciBLVk0gc3VwcG9ydHMgZm9yd2FyZGluZyBoeXBlcmNh bGwuCgpUaGUgY2FwYWJpbGl0eSBzaG91bGQgYmUgZW5hYmxlZCBieSB1c2VyIHNwYWNlIGV4cGxp Y2l0bHksIGZvciB3ZQpkb24ndCB3YW50IHVzZXIgc3BhY2UgYXBwbGljYXRpb24gdG8gZGVhbCB3 aXRoIHVuZXhwZWN0ZWQgaHlwZXJjYWxsCmV4aXRzLiBXZSBhbHNvIHVzZSBhbiBhZGRpdGlvbmFs IGFyZ3VtZW50IHRvIHBhc3MgZXhjZXB0aW9uIGJpdCBtYXNrLAp0byByZXF1ZXN0IEtWTSB0byBm b3J3YXJkIGFsbCBoeXBlcmNhbGxzIGV4Y2VwdCB0aGUgY2xhc3NlcyBzcGVjaWZpZWQKaW4gdGhl IGJpdCBtYXNrLgoKQ3VycmVudGx5IG9ubHkgUFNDSSBjYW4gYmUgc2V0IGFzIGV4Y2VwdGlvbiwg c28gdGhhdCB3ZSBjYW4gc3RpbGwga2VlcApjb25zaXN0ZW50IHdpdGggdGhlIG9sZCBQU0NJIHBy b2Nlc3NpbmcgZmxvdy4KClNpZ25lZC1vZmYtYnk6IEhleWkgR3VvIDxndW9oZXlpQGh1YXdlaS5j b20+CkNjOiBQZXRlciBNYXlkZWxsIDxwZXRlci5tYXlkZWxsQGxpbmFyby5vcmc+CkNjOiBEYXZl IE1hcnRpbiA8RGF2ZS5NYXJ0aW5AYXJtLmNvbT4KQ2M6IE1hcmMgWnluZ2llciA8bWFyYy56eW5n aWVyQGFybS5jb20+CkNjOiBNYXJrIFJ1dGxhbmQgPG1hcmsucnV0bGFuZEBhcm0uY29tPgpDYzog SmFtZXMgTW9yc2UgPGphbWVzLm1vcnNlQGFybS5jb20+CkNjOiBKdWxpZW4gVGhpZXJyeSA8anVs aWVuLnRoaWVycnkua2RldkBnbWFpbC5jb20+CkNjOiBTdXp1a2kgSyBQb3Vsb3NlIDxzdXp1a2ku cG91bG9zZUBhcm0uY29tPgpDYzogQ2F0YWxpbiBNYXJpbmFzIDxjYXRhbGluLm1hcmluYXNAYXJt LmNvbT4KQ2M6IFdpbGwgRGVhY29uIDx3aWxsQGtlcm5lbC5vcmc+CkNjOiBQYW9sbyBCb256aW5p IDxwYm9uemluaUByZWRoYXQuY29tPgpDYzogIlJhZGltIEtyxI1tw6HFmSIgPHJrcmNtYXJAcmVk aGF0LmNvbT4KLS0tCiBhcmNoL2FybTY0L2t2bS9yZXNldC5jICAgfCAyNSArKysrKysrKysrKysr KysrKysrKysrKysrCiBpbmNsdWRlL3VhcGkvbGludXgva3ZtLmggfCAgMyArKysKIDIgZmlsZXMg Y2hhbmdlZCwgMjggaW5zZXJ0aW9ucygrKQoKZGlmZiAtLWdpdCBhL2FyY2gvYXJtNjQva3ZtL3Jl c2V0LmMgYi9hcmNoL2FybTY0L2t2bS9yZXNldC5jCmluZGV4IGY0YThhZTkuLjIyMDFiNjIgMTAw NjQ0Ci0tLSBhL2FyY2gvYXJtNjQva3ZtL3Jlc2V0LmMKKysrIGIvYXJjaC9hcm02NC9rdm0vcmVz ZXQuYwpAQCAtOTUsNiArOTUsOSBAQCBpbnQga3ZtX2FyY2hfdm1faW9jdGxfY2hlY2tfZXh0ZW5z aW9uKHN0cnVjdCBrdm0gKmt2bSwgbG9uZyBleHQpCiAJCXIgPSBoYXNfdmhlKCkgJiYgc3lzdGVt X3N1cHBvcnRzX2FkZHJlc3NfYXV0aCgpICYmCiAJCQkJIHN5c3RlbV9zdXBwb3J0c19nZW5lcmlj X2F1dGgoKTsKIAkJYnJlYWs7CisJY2FzZSBLVk1fQ0FQX0ZPUldBUkRfSFlQRVJDQUxMOgorCQly ID0gMTsKKwkJYnJlYWs7CiAJZGVmYXVsdDoKIAkJciA9IDA7CiAJfQpAQCAtMTAyLDYgKzEwNSwy OCBAQCBpbnQga3ZtX2FyY2hfdm1faW9jdGxfY2hlY2tfZXh0ZW5zaW9uKHN0cnVjdCBrdm0gKmt2 bSwgbG9uZyBleHQpCiAJcmV0dXJuIHI7CiB9CiAKK2ludCBrdm1fdm1faW9jdGxfZW5hYmxlX2Nh cChzdHJ1Y3Qga3ZtICprdm0sCisJCQkgICAgc3RydWN0IGt2bV9lbmFibGVfY2FwICpjYXApCit7 CisJaWYgKGNhcC0+ZmxhZ3MpCisJCXJldHVybiAtRUlOVkFMOworCisJc3dpdGNoIChjYXAtPmNh cCkgeworCWNhc2UgS1ZNX0NBUF9GT1JXQVJEX0hZUEVSQ0FMTDogeworCQlfX3U2NCBleGNsdWRl X2ZsYWdzID0gY2FwLT5hcmdzWzBdOworCQkvKiBPbmx5IHN1cHBvcnQgZXhjbHVkaW5nIFBTQ0kg cmlnaHQgbm93ICovCisJCWlmIChleGNsdWRlX2ZsYWdzICYgfktWTV9DQVBfRk9SV0FSRF9IWVBF UkNBTExfRVhDTF9QU0NJKQorCQkJcmV0dXJuIC1FSU5WQUw7CisJCWt2bS0+YXJjaC5oeXBlcmNh bGxfZm9yd2FyZCA9IHRydWU7CisJCWlmIChleGNsdWRlX2ZsYWdzICYgS1ZNX0NBUF9GT1JXQVJE X0hZUEVSQ0FMTF9FWENMX1BTQ0kpCisJCQlrdm0tPmFyY2guaHlwZXJjYWxsX2V4Y2xfcHNjaSA9 IHRydWU7CisJCXJldHVybiAwOworCX0KKwl9CisKKwlyZXR1cm4gLUVJTlZBTDsKK30KKwogdW5z aWduZWQgaW50IGt2bV9zdmVfbWF4X3ZsOwogCiBpbnQga3ZtX2FybV9pbml0X3N2ZSh2b2lkKQpk aWZmIC0tZ2l0IGEvaW5jbHVkZS91YXBpL2xpbnV4L2t2bS5oIGIvaW5jbHVkZS91YXBpL2xpbnV4 L2t2bS5oCmluZGV4IDVlM2YxMmQuLmUzZTU3ODcgMTAwNjQ0Ci0tLSBhL2luY2x1ZGUvdWFwaS9s aW51eC9rdm0uaAorKysgYi9pbmNsdWRlL3VhcGkvbGludXgva3ZtLmgKQEAgLTcxMSw2ICs3MTEs OCBAQCBzdHJ1Y3Qga3ZtX2VuYWJsZV9jYXAgewogCV9fdTggIHBhZFs2NF07CiB9OwogCisjZGVm aW5lIEtWTV9DQVBfRk9SV0FSRF9IWVBFUkNBTExfRVhDTF9QU0NJCSgxIDw8IDApCisKIC8qIGZv ciBLVk1fUFBDX0dFVF9QVklORk8gKi8KIAogI2RlZmluZSBLVk1fUFBDX1BWSU5GT19GTEFHU19F Vl9JRExFICAgKDE8PDApCkBAIC05OTYsNiArOTk4LDcgQEAgc3RydWN0IGt2bV9wcGNfcmVzaXpl X2hwdCB7CiAjZGVmaW5lIEtWTV9DQVBfQVJNX1BUUkFVVEhfQUREUkVTUyAxNzEKICNkZWZpbmUg S1ZNX0NBUF9BUk1fUFRSQVVUSF9HRU5FUklDIDE3MgogI2RlZmluZSBLVk1fQ0FQX1BNVV9FVkVO VF9GSUxURVIgMTczCisjZGVmaW5lIEtWTV9DQVBfRk9SV0FSRF9IWVBFUkNBTEwgMTc0CiAKICNp ZmRlZiBLVk1fQ0FQX0lSUV9ST1VUSU5HCiAKLS0gCjEuOC4zLjEKCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcg bGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmlu ZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==