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 A3F4CC8303D for ; Fri, 4 Jul 2025 18:13:17 +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:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3LjcS5PcE7toG1Lrhz+vFZmgut169ulFiZm/4d0ZVyw=; b=kZeCpw9Z5YW4K4fJRz6UukiyVo 2tTMFwsCdLlRGA1YhlvLogEWfP/KYf6+ViiJQw5R5ViVyEjvNqstpr/q5v77nT6DhbtgAwN+VN/tC oQRLyCDG+1USIcEh2d8GPG8+0zVDBYFfveGGyzyPY8HcE5whaM9EvkwSTNyGGeFIru5dMQQ1PrkYU QiNUOAUmc9gpMbmrQMnznCucgmTj/msx4KevC/gFTRSoyG+m9ndI16kPWaRJ+otFGstbeEuXCkBj/ o48auDyE+Ijz26JdbRuwBrIpPoBa0IZDALnoVLa5zGh3W6CLPkxpzGBFKPoXJkAaM4RkCzHtngfBL WYVMBRXw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uXkuO-0000000FBIk-3NDX; Fri, 04 Jul 2025 18:13:12 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uXkSs-0000000F8GJ-3tTx for linux-arm-kernel@lists.infradead.org; Fri, 04 Jul 2025 17:44:46 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 5C40961468; Fri, 4 Jul 2025 17:44:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52DC2C4CEEE; Fri, 4 Jul 2025 17:44:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751651086; bh=uSAXovSmsJbebAOMFwOrFDSweVrOExAuRCTg0nKUGKU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D2qOsZrmDpiJFvmgunPkT9N20bDtveT5seeQ7bnQsI0/cb+dosVbn8hsfF7WD6a+x 5K3yq5lLpuhCUDba05rAoCn7vVdSAyDVc+bruX1w3wR4uQxs4MB3LniVaAZWQK74Sn 5Hc5CniubGqo69cAWY95oVJkPiDMBu9JLof9lkGhLwhdMfnVqvmqFhskng5iRdaHp7 qlUNmkR4I+bUdtDHIKAv7cjKqSUQjgThGCwoNzU9hStvJCx1bHBbFBIv3LBjXVi2Gw yuUszZWzVMuhyYhPbFMLpwfZSUTSVUpF8atqcO+3jaHcuRWlLL0G8c+jXVZrlApLAO 6sFq3Kw8op46A== From: Will Deacon To: linux-arm-kernel@lists.infradead.org, Marc Zyngier Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , "Aneesh Kumar K.V" , Mostafa Saleh , Mark Rutland , Ard Biesheuvel Subject: Re: [PATCH] arm64: Unconditionally select CONFIG_JUMP_LABEL Date: Fri, 4 Jul 2025 18:44:16 +0100 Message-Id: <175163687202.1322627.833974757174570861.b4-ty@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250613141936.2219895-1-maz@kernel.org> References: <20250613141936.2219895-1-maz@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit 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, 13 Jun 2025 15:19:36 +0100, Marc Zyngier wrote: > Aneesh reports that his kernel fails to boot in nVHE mode with > KVM's protected mode enabled. Further investigation by Mostafa > reveals that this fails because CONFIG_JUMP_LABEL=n and that > we have static keys shared between EL1 and EL2. > > While this can be worked around, it is obvious that we have long > relied on having CONFIG_JUMP_LABEL enabled at all times, as all > supported compilers now have 'asm goto' (which is the basic block > for jump labels). > > [...] Applied to arm64 (for-next/fixes), thanks! [1/1] arm64: Unconditionally select CONFIG_JUMP_LABEL https://git.kernel.org/arm64/c/727c2a53cf95 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev