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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDC79C433EF for ; Thu, 27 Jan 2022 07:34:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237391AbiA0Hel (ORCPT ); Thu, 27 Jan 2022 02:34:41 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:44976 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233502AbiA0Hek (ORCPT ); Thu, 27 Jan 2022 02:34:40 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1643268880; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=rZtyNWVIJ5YOp9jbjrOdT7tvYwsl2Y7lnfgiw1GSFeM=; b=fOdNLTaFTvtPutLtPj8Pl1xsRlZaUQ3SoyX7RyJJzgvB3SZ9vQES69v0JozryMI+HJmfIj l1nJxna/LgbgFI8he7F9QFcMSj/kTiPd1qsQOJhnZnzNUrIc0p/IInpJ4H1yCnvQt+gz4+ NCfRAGVvRB24x5U9XgeYQf/PlUUhi9Q= Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-590-Nl2QvLNqMgCW04zLR73uDQ-1; Thu, 27 Jan 2022 02:34:38 -0500 X-MC-Unique: Nl2QvLNqMgCW04zLR73uDQ-1 Received: by mail-ed1-f71.google.com with SMTP id v15-20020a50a44f000000b004094f4a8f3bso987281edb.0 for ; Wed, 26 Jan 2022 23:34:38 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=rZtyNWVIJ5YOp9jbjrOdT7tvYwsl2Y7lnfgiw1GSFeM=; b=2QXf3a2P85uO6y28xdM7F0maSdgR/MqPGK/fwpvKZVy2LwqoMRN+61Da4I9Itpp8UN Atf67MkS7Ux61XoTFvGTsPdNKoB6bcnhlVZ1XUCa3RcMzCAMEKVz54kOzj8LhkthYBum Cp/l/vk/o6qZkrbEKblZAw73Ej2m0A8h+dgN1uFzxNTbfiRRbX4pM0DQbtlB7mDzpvnQ OIFc8yR2hyzdT1+gQn6U7BlXQZ/z9+mzA1doyDNJejU42wryEWRMEXRCTc3lntyU9QNE +b7NIurfcYid3d5NSTUZLbTGHUDdUEQLumk1cSZ/X+3BUdKfaNZf9v62t2a1EiofyjXx IcIA== X-Gm-Message-State: AOAM533Ug6HKPcaP4nWzPCDsNrucM7vOokChrBRCJNCrqrU34qY7pNF0 Wq9RWFs9uZeHhL/Dd9VoutotJRmsBHP3uH/ukZCpc9lbxtOiV8GzDdjsJzmyXNKKMQYIqNVT7x2 33f57EtDjiZdm X-Received: by 2002:a17:906:3656:: with SMTP id r22mr1928251ejb.329.1643268877730; Wed, 26 Jan 2022 23:34:37 -0800 (PST) X-Google-Smtp-Source: ABdhPJzJLhumx8C9wQK88l4ogwUYtf8FjiIGnNJTylnn3U7wYd9tsoL3ojKCLIabRhgnbZMTq8uEQQ== X-Received: by 2002:a17:906:3656:: with SMTP id r22mr1928237ejb.329.1643268877580; Wed, 26 Jan 2022 23:34:37 -0800 (PST) Received: from gator (cst2-173-70.cust.vodafone.cz. [31.30.173.70]) by smtp.gmail.com with ESMTPSA id j26sm3046934edt.65.2022.01.26.23.34.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jan 2022 23:34:37 -0800 (PST) Date: Thu, 27 Jan 2022 08:34:35 +0100 From: Andrew Jones To: Ricardo Koller Cc: kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, maz@kernel.org, Paolo Bonzini , oupton@google.com, reijiw@google.com Subject: Re: [PATCH v2 1/5] kvm: selftests: aarch64: fix assert in gicv3_access_reg Message-ID: <20220127073435.dmqskodccsiqj7oi@gator> References: <20220127030858.3269036-1-ricarkol@google.com> <20220127030858.3269036-2-ricarkol@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220127030858.3269036-2-ricarkol@google.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Wed, Jan 26, 2022 at 07:08:54PM -0800, Ricardo Koller wrote: > The val argument in gicv3_access_reg can have any value when used for a > read, not necessarily 0. Fix the assert by checking val only for > writes. > > Signed-off-by: Ricardo Koller > Reported-by: Reiji Watanabe > Cc: Andrew Jones Commit message said my r-b would be here, but it doesn't appear to be. Here it is again Reviewed-by: Andrew Jones > --- > tools/testing/selftests/kvm/lib/aarch64/gic_v3.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/kvm/lib/aarch64/gic_v3.c b/tools/testing/selftests/kvm/lib/aarch64/gic_v3.c > index 00f613c0583c..e4945fe66620 100644 > --- a/tools/testing/selftests/kvm/lib/aarch64/gic_v3.c > +++ b/tools/testing/selftests/kvm/lib/aarch64/gic_v3.c > @@ -159,7 +159,7 @@ static void gicv3_access_reg(uint32_t intid, uint64_t offset, > uint32_t cpu_or_dist; > > GUEST_ASSERT(bits_per_field <= reg_bits); > - GUEST_ASSERT(*val < (1U << bits_per_field)); > + GUEST_ASSERT(!write || *val < (1U << bits_per_field)); > /* Some registers like IROUTER are 64 bit long. Those are currently not > * supported by readl nor writel, so just asserting here until then. > */ > -- > 2.35.0.rc0.227.g00780c9af4-goog >