From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id B1008413238; Fri, 6 Feb 2026 18:37:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770403022; cv=none; b=lbaw9RfPIOSrEJ7wxTE8CmJ3uqWlGMG4TEaFCnCA0hD7QF7qhgKm+lWws57m9XbtXgVh56uvu8qox+nN2X5aI0dftPv81xciQV4iwfUX190NuT5xzmNjH0W5UuckguAEFdeJ3QqI2sI9hGFUT0B5cebVbWb8k7i1EjgjZ61+3DA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770403022; c=relaxed/simple; bh=CehQn6ShgSVIZOBhGRqrC5UlJXuOMh3G+/j9hX2CJWM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=N3JD5l30A8un2Nafj/Ym3um8A5ljHStj1PI0hHnCnmwNizgfXMiywcbmuWtcI0g+BzwpxJ7Tm0fxmqTmh22oMM/M1TSkdC+1R/wzsRqDaXTgFzVgH3A6q2ngIjBgDHZFwCnstSf7V6qlX+rqY0Wx1ukCf4dP+EgCygyIEpXvlV8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B738E339; Fri, 6 Feb 2026 10:36:54 -0800 (PST) Received: from arm.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 763D53F632; Fri, 6 Feb 2026 10:36:58 -0800 (PST) Date: Fri, 6 Feb 2026 18:36:52 +0000 From: Catalin Marinas To: Yeoreum Yun Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-kselftest@vger.kernel.org, will@kernel.org, maz@kernel.org, broonie@kernel.org, oliver.upton@linux.dev, miko.lenczewski@arm.com, kevin.brodsky@arm.com, ardb@kernel.org, suzuki.poulose@arm.com, lpieralisi@kernel.org, scott@os.amperecomputing.com, joey.gouly@arm.com, yuzenghui@huawei.com, pbonzini@redhat.com, shuah@kernel.org, mark.rutland@arm.com, arnd@arndb.de Subject: Re: [PATCH v12 1/7] arm64: Kconfig: add support for LSUI Message-ID: References: <20260121190622.2218669-1-yeoreum.yun@arm.com> <20260121190622.2218669-2-yeoreum.yun@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260121190622.2218669-2-yeoreum.yun@arm.com> On Wed, Jan 21, 2026 at 07:06:16PM +0000, Yeoreum Yun wrote: > Since Armv9.6, FEAT_LSUI supplies the load/store instructions for > previleged level to access to access user memory without clearing > PSTATE.PAN bit. > > Add Kconfig option entry for FEAT_LSUI. > > Signed-off-by: Yeoreum Yun Reviewed-by: Catalin Marinas In general we should move the Kconfig addition last for bisectability, unless all the other patches introduced are ok on their own. -- Catalin