From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 69D6E26AF4; Thu, 7 May 2026 01:35:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778117711; cv=none; b=FMgUll9uIyz29dttKqegDMCwUuAWMhPfi/bWcrfwOvRjt8TkgYcEibsBgLHrNEt+ywxbH4ZFEH+spr7Cio7jrjNMPsI5pW4/nbl3fl5a0M1jxuvjSizBlC0r+eyw2fSaHDpgt8zisQ/xwztFxg/O1qDHYlHLUcAyWdFngIY2NUg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778117711; c=relaxed/simple; bh=0O3G2lmMP/Ms3BjmJlMlwXPElBarsrFRXkD/Kf50ycA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=J3y0HehFwKfXRkjO/DYL2i25bk5arXxVSd5Z7l5Gupmpzd+yyOtNSCPgFyNvLtAV7kMETD/sNsjNDkG25O3btqboz2vXsxBBY1z9k356u9tX6JHpMOOBJYgx0Oh3s9wqxLZnlmwPsEWbQ8a3jovpQKktqjfqM2RqTSxgMYOiqUs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Bo4lhO+R; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Bo4lhO+R" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D327CC2BCB0; Thu, 7 May 2026 01:35:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778117711; bh=0O3G2lmMP/Ms3BjmJlMlwXPElBarsrFRXkD/Kf50ycA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Bo4lhO+RL3OO3IL1WEVSQSJOG6fF9WGBUGDl1kLrgeLAlSdCP3QYVcnE4NuoVGgzx g/7S893cwQQScmZfG31DQxx68sx4bTQFZHRCsTwzCRmi+//kYfehhLjej857kjGKkw NIJh31AF9QUw5NAc+v+Oh5Qzvy4+gxzz9T7eDm6LA5FIarqpaZqxpC27gC1vQmZe/u sJVA6qJ0Zuni9umvr592++g0ZN8dmb+hscUphG+dgFXZGnFVgbS6UsWBGfLSpOSyCO L3bybhVhSm6beqQIsZ76iqr5uLyrA9/G1RZshor/k2LWf4WOOQtysKNisk0+1XT4OR VLUAyE0cS1iNw== Received: by finisterre.sirena.org.uk (Postfix, from userid 1000) id B29CF1AC5890; Thu, 07 May 2026 02:35:07 +0100 (BST) Date: Thu, 7 May 2026 10:35:07 +0900 From: Mark Brown To: Jiakai Xu Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, Andrew Jones , Anup Patel , Paolo Bonzini , Shuah Khan , Jiakai Xu Subject: Re: [PATCH] KVM: arm64: Add memslot for ST_GPA_BASE in check_steal_time_uapi() Message-ID: References: <20260501021639.2563219-1-xujiakai2025@iscas.ac.cn> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="v1++ER88l8OUwD5L" Content-Disposition: inline In-Reply-To: <20260501021639.2563219-1-xujiakai2025@iscas.ac.cn> X-Cookie: Truckers welcome. --v1++ER88l8OUwD5L Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, May 01, 2026 at 02:16:39AM +0000, Jiakai Xu wrote: > The refactored check_steal_time_uapi() creates a temporary VM via > vm_create_with_one_vcpu(), whose default memslot0 only covers GPA > 0..~2MB. Setting st_ipa to ST_GPA_BASE (1 << 30) causes > kvm_arm_pvtime_set_attr() to fail with EINVAL because gfn_to_hva() > cannot find a valid memslot at the target GFN. Tested-by: Mark Brown It'd be good to get this merged, this is a mainline regression. --v1++ER88l8OUwD5L Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmn77EoACgkQJNaLcl1U h9AK7Af/XR+d37P6uL0n0Fx8fm4VK+ZmK0hvIRclQwkMsoHT3vhklNUChbZVyi2C fpSUXPczpk17MkZQSRBLvF1KfEoUlFxTlu8fdPevOv22vaTkveC4dwNF95/M+vEH B51YF/vUfjcEMtlXtkE77eBJ6+5OPhJuJc0QE1yzY9HbaXXiIUnuOmHKYwFm+V9U Uinp/GOTEb9FO50Ks3MG1tVSsurpXJgp0Pz39qyDP0PfTTi56bCjQJdI8KnfmL/G iehiXZB/YJoGhID+U66QMQR3gHlh3QXTzSEZ8xg1g9jIIVA0Su8fIIycvQ/ntjCo XlB7jVGTFAg63YWfT5CiF+18/brE4w== =JSA7 -----END PGP SIGNATURE----- --v1++ER88l8OUwD5L--