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 BCB5233E8 for ; Sun, 21 Apr 2024 09:40:12 +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=1713692412; cv=none; b=Pd+9GnDKLr9q4jIlmjNACx9Rg8nsZT6OAapA+ZLQ8RcEYrNhfDU2LAPLJeMggioK4RKsAeTLeyZlEbsrk82+mtTcqkf8hhp79SUdzVR7+sb3Uw4fvYj0M60TMWBSftYOr9TJYGeFaVii55W/hZXZrFGPu+6nTbeByMEDBSy6S4M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713692412; c=relaxed/simple; bh=A+bRmPKjoz96xGNaOFtiFcdMLMA2ZVOlTHGFWBCSG64=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=gUSr4ym25Fc4P7AoYnNo0L6zUI+QmLulVFTbVNCQSKtbr7v5F6CuW7caOjRjVyOKUGom1JU7KHW5WWrBT1kFLnctEldLJtowEhMGEl23VaOmS2oB2tcugVXpZI8OrN1VT+sItEoMzZ378BocwPEFWEzS0MZ3I/X95Rh3XzeaEjY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RK38kFE3; 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="RK38kFE3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33BBDC113CE; Sun, 21 Apr 2024 09:40:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713692412; bh=A+bRmPKjoz96xGNaOFtiFcdMLMA2ZVOlTHGFWBCSG64=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=RK38kFE3LJvSK7zCn3VlbNvu4ip84JeaPzVMnFJgBVNNUlJVPJSP8JSoT7aZIbL/2 wTGtyk4tDzvh81dliviioBdZ0ntdTXF4vLviKB23XzwqUAjjwFs/aVYjUkwGr3SKxZ nVHNbQXgAEwJOW6jAzzK1YEVApVE4sz0AaR3M4q5nc46QzoxUifVj4EngekcHRCWsG YuSrp/ryVfmSGdLSdI8aaBWJCvL1A8YkWHrk4/xjMSUGO758GZtYbQfTWmA0PlaMav VqqtaQXqyetaL11nV3GOrz6aBa4WE+nsDetuZbcEzDe1a9oGDvwivaDsrS7QFk/RRs JC6GeGzA6SDYA== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1ryTg9-006VoM-TW; Sun, 21 Apr 2024 10:40:10 +0100 Date: Sun, 21 Apr 2024 10:40:09 +0100 Message-ID: <86plujqcjq.wl-maz@kernel.org> From: Marc Zyngier To: Shiqi Liu Cc: catalin.marinas@arm.com, will@kernel.org, broonie@kernel.org, anshuman.khandual@arm.com, suzuki.poulose@arm.com, miguel.luis@oracle.com, joey.gouly@arm.com, oliver.upton@linux.dev, jingzhangos@google.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64/sysreg: Update PIE permission encodings In-Reply-To: <20240421063328.29710-1-shiqiliu@hust.edu.cn> References: <20240421063328.29710-1-shiqiliu@hust.edu.cn> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.2 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: shiqiliu@hust.edu.cn, catalin.marinas@arm.com, will@kernel.org, broonie@kernel.org, anshuman.khandual@arm.com, suzuki.poulose@arm.com, miguel.luis@oracle.com, joey.gouly@arm.com, oliver.upton@linux.dev, jingzhangos@google.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Sun, 21 Apr 2024 07:33:28 +0100, Shiqi Liu wrote: > > Fix left shift overflow issue when the parameter idx is greater than or > equal to 8 in the calculation of perm in PIRx_ELx_PERM macro. > > Fix this by modifying the encoding to use a long integer type. > > Signed-off-by: Shiqi Liu Nice catch. Acked-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible.