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 5D29A106703C for ; Thu, 12 Mar 2026 14:42:13 +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=qdcSOBiZTb/6XBwzLl+1OgXcvspf5Ab6aZwR/qn0GcU=; b=yuSk4CN/Pq0FEf+7VvoCqiqzOt fRRCiMmeC60QlzcWQUnehaheTPI+ORl3TKMwLoWkNEr1nOg5Blhflq7eaYPPAd2iaBiM+cNM3zumW Y8M/qYtp5mehjKolFFM9qNY3CxuX34d3CjMwjK6bctkKvMx8fe/h0nR8U2aC8cBMPZEUQVTBHyfRf lh7h8T4dUDI0UAakEbUDbCwq9LOrNlfqXwLdyJ46cyaVcvw8OAa5GWuWWTxK3kMUwFiAjn9miIg++ qeEk+41poVKbpWzIzBfu7bUrGui2Nv3rJWWvCPpzyIyq+fMYW/dC6LjA6YolunCElfStNIsM6Cu6H xfuYFs0w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0hEl-0000000EDw5-1iXR; Thu, 12 Mar 2026 14:42:07 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0hEj-0000000EDuS-1rv4 for linux-arm-kernel@lists.infradead.org; Thu, 12 Mar 2026 14:42:06 +0000 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 587F2165C; Thu, 12 Mar 2026 07:41:55 -0700 (PDT) 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 6134B3F7BD; Thu, 12 Mar 2026 07:41:59 -0700 (PDT) Date: Thu, 12 Mar 2026 14:41:57 +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, oupton@kernel.org, miko.lenczewski@arm.com, kevin.brodsky@arm.com, broonie@kernel.org, ardb@kernel.org, suzuki.poulose@arm.com, lpieralisi@kernel.org, joey.gouly@arm.com, yuzenghui@huawei.com Subject: Re: [PATCH v15 4/8] arm64: futex: refactor futex atomic operation Message-ID: References: <20260227151705.1275328-1-yeoreum.yun@arm.com> <20260227151705.1275328-5-yeoreum.yun@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260227151705.1275328-5-yeoreum.yun@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260312_074205_523072_5FF83DC1 X-CRM114-Status: GOOD ( 11.67 ) 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 On Fri, Feb 27, 2026 at 03:17:01PM +0000, Yeoreum Yun wrote: > Refactor futex atomic operations using ll/sc method with > clearing PSTATE.PAN to prepare to apply FEAT_LSUI on them. > > Signed-off-by: Yeoreum Yun > Reviewed-by: Catalin Marinas > --- > arch/arm64/include/asm/futex.h | 137 +++++++++++++++++++++------------ > 1 file changed, 87 insertions(+), 50 deletions(-) > > diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h > index bc06691d2062..9a0efed50743 100644 > --- a/arch/arm64/include/asm/futex.h > +++ b/arch/arm64/include/asm/futex.h > @@ -7,21 +7,25 @@ > > #include > #include > +#include Nit: what needs stringify.h in this file? It get removed (or rather moved to lsui.h) in the next patch. -- Catalin