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 B76E2CD8CA7 for ; Tue, 9 Jun 2026 08:36:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/Jjdrb+kgVEYIfQnPOp2qRyaJ8Kx6xqpsnvwmfWl6tg=; b=ugybF+sH8ZTbZqjyRW4RdiRp8+ sqt6wKSehODI1cFJT20/CLQSwHpDCZnBO1rLdl4hWUgI7e6CMeWYF4hIjB+zdr9f1XTS0MaEuMNVS UnwKHjeD4jSGvm9jW7O/KGToK1Qa6d/BoQFBnVa3hlLskYejeLWWInRwtTIt1PXU2Xclf3x1rJYuC 5VJemKy6NHPkBlCZxKPU5gRuiW1MTtFCA5OswhmcA9yNJ2PBkbhkxXmQ4a9ahmfWKwHItPaxFdwzF kOVi8Kr+iK4+QIqYJNB9VVmEZ8Z2RnA4qC6Dx3Pu/Xnrnxf31A/Ql20jBlrtgFXNQRAUNtpBW20Uh 8G3yDXog==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWrwf-000000054nt-1A8h; Tue, 09 Jun 2026 08:36:25 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWrwd-000000054nm-2zf2 for linux-arm-kernel@lists.infradead.org; Tue, 09 Jun 2026 08:36:23 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 0D05E601DC; Tue, 9 Jun 2026 08:36:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9243F1F00898; Tue, 9 Jun 2026 08:36:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780994182; bh=/Jjdrb+kgVEYIfQnPOp2qRyaJ8Kx6xqpsnvwmfWl6tg=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=GaNXM/KkIZ8XA4DKI0W4zGvC9O/yk7afB69edva3ptTMXTOOMU88k+7xN4EQTFfsS goMePBt+H/B5p7zkayyWL655rVJ8ha8BpmioOlmynPnaUorr0MxOmU+VygLjQZguAK EG1wQdCUqBdGBIjJ4vynTGRqXCcZg+UM9HlFvlUvT6xLN2ziBxEV/snnuVp7RYqxg2 nn4QHRX/1BsLZXgdqianTOrwhad1xyeZYGiFdumrcUgXk6uLd6rRwc36kqBjVyLVeu gcfGNXZNoCLumYTS1DRN6QmYyroyAZSX7xt2apYfCTI30LQKKNOxskzcdatJF49ey0 AGuVIyefAg3eg== Received: by finisterre.sirena.org.uk (Postfix, from userid 1000) id BD02D1AC56AC; Tue, 09 Jun 2026 09:36:18 +0100 (BST) Date: Tue, 9 Jun 2026 09:36:18 +0100 From: Mark Brown To: Nathan Chancellor Cc: Ard Biesheuvel , Marc Zyngier , Will Deacon , Catalin Marinas , Oliver Upton , Aishwarya.TCV@arm.com, linux-arm-kernel@lists.infradead.org Subject: Re: -next boot failures during KVM setup Message-ID: References: <87tsrc946i.wl-maz@kernel.org> <8eac5e73-282d-4c72-b726-0c5c82fc81f0@app.fastmail.com> <20260608232753.GA2993766@ax162> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="K+4Hl4eKWGC3+kq+" Content-Disposition: inline In-Reply-To: <20260608232753.GA2993766@ax162> X-Cookie: Leave no stone unturned. 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --K+4Hl4eKWGC3+kq+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jun 08, 2026 at 04:27:53PM -0700, Nathan Chancellor wrote: > On Mon, Jun 08, 2026 at 10:56:12PM +0200, Ard Biesheuvel wrote: > > Given we're at -rc7, I'd lean towards dropping the whole branch for now= , or > > alternatively, only drop/revert "arm64: mm: Unmap kernel data/bss entir= ely from the=20 > > linear map" (and its followup fix "arm64: mm: Defer remap of linear ali= as of > > data/bss") so that the region always remains readable via the linear ma= p. > FWIW, I can confirm that "arm64: mm: Unmap kernel data/bss entirely from > the linear map" is the culprit for this particular issue based on my > bisect. Reverting those two changes on top of next-20260608 avoids the > issue. Yes, same result here. --K+4Hl4eKWGC3+kq+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmon0H0ACgkQJNaLcl1U h9Aj8Qf+NMsECg6ZpCCVCmZAgSm9jurIC2xhNCdH1zI985ZToB3m13mWVKHQfzNk c3UeJ2TYCZL/VFqAOY7GKqVnP7dQCaOAH9APchLj/x866bL3cI8BqrZdaU31Y5R8 oTwbcYHRYiWAb//q8U50rRXm0iGhB5mfS7eS3GNdYvWg21y0THbquU4pi0I1NKj9 kMYmwVu0RwZZp2R1CR79Y34KGixFeJx6kBmySW9hQlOP+aFXT+IN5RRyrIgBIWZJ 5g4nXLTEYJvcOjOlFVWaGQxkm7wyjKjlrqTOY+SQ0mBEoFaQVUPmrYhufn7Vzd3Y nfaaltwsAjD8ANseajyHLW17C3Smag== =HyQv -----END PGP SIGNATURE----- --K+4Hl4eKWGC3+kq+--