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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id EADBFC19F2D for ; Tue, 9 Aug 2022 13:55:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Subject:Cc:To:From:Message-ID:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=n2wHZ82F7JsF0A6Zk+Tw7jNp9ia5w91I93Pb3eoeET4=; b=ZZpl2H6eRWlUjE kMBE9YFRYy665FGhlJgkPxaFaiorwF05wBxDD6oeHR9Pip11g6QXScuEVs+UYeyp29d+cr097NKNN t7HjV8AVSkDvyqancyf4zLBh9oqdVT/DfYwZLA8zR9kY/YOnWqN9zGIz1fPJkDs139HCYgPaHxB0A FCw4O6ky3RUECR3oNn+HbBYlPi5aQ836UZBK/4EsduXMEq3ey9ZTQXJUIKlft9bq2+MtbbHtj0R9j PNYZsps9+Fpy49yxIbTL6u9vjUPamzXqCMTauwXOCoOUUnyBJCjaOB1Km/8qJkzXzaB4mZkYnutod Am04CxCgc2oOeFP+oM0Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oLPgL-004E7c-0S; Tue, 09 Aug 2022 13:54:05 +0000 Received: from ams.source.kernel.org ([145.40.68.75]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oLPgH-004E4H-8G for linux-arm-kernel@lists.infradead.org; Tue, 09 Aug 2022 13:54:02 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B3480B815A1; Tue, 9 Aug 2022 13:53:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 694BFC433D7; Tue, 9 Aug 2022 13:53:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1660053234; bh=ZPOL6VRGLr3cwR50wMtN7UPDd2SZQTKj6fGYSXQQiJ4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=HDzwep5/+dlBWSHaIVIJeEr4UClYY2zEOvjtpBzHrcKY50bvtY03oX3f20S6k/LzB m6ZkO0Cz2XiNPbP/Q0Q//IQ9iiWRr7uinV5uyTtcBfDWXC4dcYjhMBepR2iIUMUyRK jxrgu7pYfLES2dFqR9sWjyiBq+ESgn3xnaxJQTuJGVNWE3nWE4dzb22tJ6AIYUTizr pGmmXCvKRdb7RDEQCkcfiMjjTf1JAgE16VLbMIk5EOVSspUxAgDg3FtmyxQDTggi9b G5vEB8SY7lmVPdkmMQ9yEIPrrdyZ5votZZfpcKo3F3QSCYTswFad7MysVTvdW+d8Ke H0FttX0EwIDDQ== Received: from sofa.misterjones.org ([185.219.108.64] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1oLPg8-001vSO-5u; Tue, 09 Aug 2022 14:53:52 +0100 Date: Tue, 09 Aug 2022 14:53:51 +0100 Message-ID: <87wnbhv7yo.wl-maz@kernel.org> From: Marc Zyngier To: Yang Yingliang Cc: , , , , , , Subject: Re: [PATCH v2] KVM: arm64: fix compile error because of shift overflow In-Reply-To: <20220809135127.480285-1-yangyingliang@huawei.com> References: <20220809135127.480285-1-yangyingliang@huawei.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: yangyingliang@huawei.com, linux-kernel@vger.kernel.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220809_065401_595536_E993DFDE X-CRM114-Status: GOOD ( 23.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gVHVlLCAwOSBBdWcgMjAyMiAxNDo1MToyNyArMDEwMCwKWWFuZyBZaW5nbGlhbmcgPHlhbmd5 aW5nbGlhbmdAaHVhd2VpLmNvbT4gd3JvdGU6Cj4gCj4gVXNpbmcgR0VOTUFTSygpIHRvIGdlbmVy YXRlIHRoZSBtYXNrcyBvZiBkZXZpY2UgdHlwZSBhbmQgZGV2aWNlIGlkLCBpdCBtYWtlcwo+IGNv ZGUgdW5hbWJpZ3VvdXMsIGFsc28gaXQgY2FuIGZpeCB0aGUgZm9sbG93aW5nIGZpeCBjb21waWxl IGVycm9yIGJlY2F1c2Ugb2YKPiBzaGlmdCBvdmVyZmxvdyB3aGVuIHVzaW5nIGxvdyB2ZXJpc29u IGdjYyhtaW5lIHZlcnNpb24gaXMgNy41KToKPiAKPiBJbiBmdW5jdGlvbiDigJhrdm1fdm1faW9j dGxfc2V0X2RldmljZV9hZGRyLmlzcmEuMzjigJksCj4gICAgIGlubGluZWQgZnJvbSDigJhrdm1f YXJjaF92bV9pb2N0bOKAmSBhdCBhcmNoL2FybTY0L2t2bS9hcm0uYzoxNDU0OjEwOgo+IC4vLi9p bmNsdWRlL2xpbnV4L2NvbXBpbGVyX3R5cGVzLmg6MzU0OjM4OiBlcnJvcjogY2FsbCB0byDigJhf X2NvbXBpbGV0aW1lX2Fzc2VydF81OTnigJkgXAo+IGRlY2xhcmVkIHdpdGggYXR0cmlidXRlIGVy cm9yOiBGSUVMRF9HRVQ6IG1hc2sgaXMgbm90IGNvbnN0YW50Cj4gICBfY29tcGlsZXRpbWVfYXNz ZXJ0KGNvbmRpdGlvbiwgbXNnLCBfX2NvbXBpbGV0aW1lX2Fzc2VydF8sIF9fQ09VTlRFUl9fKQo+ IAo+IEZpeGVzOiA5Zjk2OGM5MjY2YWEgKCJLVk06IGFybTY0OiB2Z2ljLXYyOiBBZGQgaGVscGVy IGZvciBsZWdhY3kgZGlzdC9jcHVpZiBiYXNlIGFkZHJlc3Mgc2V0dGluZyIpCj4gU2lnbmVkLW9m Zi1ieTogWWFuZyBZaW5nbGlhbmcgPHlhbmd5aW5nbGlhbmdAaHVhd2VpLmNvbT4KPiAtLS0KPiB2 MjoKPiAgIFVzaW5nIEdFTk1BU0soKSB0byBnZW5lcmF0ZSB0aGUgbWFza3MuCj4gLS0tCj4gIGFy Y2gvYXJtNjQvaW5jbHVkZS91YXBpL2FzbS9rdm0uaCB8IDQgKystLQo+ICAxIGZpbGUgY2hhbmdl ZCwgMiBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9hcmNo L2FybTY0L2luY2x1ZGUvdWFwaS9hc20va3ZtLmggYi9hcmNoL2FybTY0L2luY2x1ZGUvdWFwaS9h c20va3ZtLmgKPiBpbmRleCAzYmIxMzQzNTU4NzQuLjVlN2RmYWY3NmVjMSAxMDA2NDQKPiAtLS0g YS9hcmNoL2FybTY0L2luY2x1ZGUvdWFwaS9hc20va3ZtLmgKPiArKysgYi9hcmNoL2FybTY0L2lu Y2x1ZGUvdWFwaS9hc20va3ZtLmgKPiBAQCAtNzUsOSArNzUsOSBAQCBzdHJ1Y3Qga3ZtX3JlZ3Mg ewo+ICAKPiAgLyogS1ZNX0FSTV9TRVRfREVWSUNFX0FERFIgaW9jdGwgaWQgZW5jb2RpbmcgKi8K PiAgI2RlZmluZSBLVk1fQVJNX0RFVklDRV9UWVBFX1NISUZUCTAKPiAtI2RlZmluZSBLVk1fQVJN X0RFVklDRV9UWVBFX01BU0sJKDB4ZmZmZiA8PCBLVk1fQVJNX0RFVklDRV9UWVBFX1NISUZUKQo+ ICsjZGVmaW5lIEtWTV9BUk1fREVWSUNFX1RZUEVfTUFTSwlHRU5NQVNLKDE1LCBLVk1fQVJNX0RF VklDRV9UWVBFX1NISUZUKQo+ICAjZGVmaW5lIEtWTV9BUk1fREVWSUNFX0lEX1NISUZUCQkxNgo+ IC0jZGVmaW5lIEtWTV9BUk1fREVWSUNFX0lEX01BU0sJCSgweGZmZmYgPDwgS1ZNX0FSTV9ERVZJ Q0VfSURfU0hJRlQpCj4gKyNkZWZpbmUgS1ZNX0FSTV9ERVZJQ0VfSURfTUFTSwkJR0VOTUFTSygz MSwgS1ZNX0FSTV9ERVZJQ0VfSURfU0hJRlQpCj4gIAo+ICAvKiBTdXBwb3J0ZWQgZGV2aWNlIElE cyAqLwo+ICAjZGVmaW5lIEtWTV9BUk1fREVWSUNFX1ZHSUNfVjIJCTAKClRoaXMgaXMgbWFyZ2lu YWxseSBiZXR0ZXIsIGJ1dCB3aGF0IEkgd2FzIGV4cGVjdGluZyBpcyBzb21ldGhpbmcgbGlrZToK CiNkZWZpbmUgS1ZNX0FSTV9ERVZJQ0VfSURfTUFTSwlHRU5NQVNLKEtWTV9BUk1fREVWSUNFX0lE X1NISUZUICsgMTUsIFwKCQkJCQlLVk1fQVJNX0RFVklDRV9JRF9TSElGVCkKCndoaWNoIEkgZmlu ZCBhIGJpdCBtb3JlIHJlYWRhYmxlLgoKVGhhbmtzLAoKCU0uCgotLSAKV2l0aG91dCBkZXZpYXRp b24gZnJvbSB0aGUgbm9ybSwgcHJvZ3Jlc3MgaXMgbm90IHBvc3NpYmxlLgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWls aW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=