From patchwork Thu Aug 22 15:10:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joey Gouly X-Patchwork-Id: 821980 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 26EE41CBEA2; Thu, 22 Aug 2024 15:11:28 +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=1724339490; cv=none; b=raJkmI78f3y+CekkMOedxajwTvG40oQ+GP40ESeTzECxxDk349YpYqvyUDXtVE/iXs9aRJT+i7MDV6X5CJ77Rc1guCOpJDsmqTn/mWQSEbkxc3R3ohnjD03IgFOD18TnEaFjATs5ds9ic/nT6jzXzwQgN0u6QYkzesr14PVkRWI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724339490; c=relaxed/simple; bh=mMR77yN/5/U0+rjMRKVDIMUPno5GgLTM0SPRDjSdOhU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=a3Ig5OEFSe1IW4CL1opU2DbIJq0ElVe1KzmDJvtm5q8kezvNntnQpcXBFZQmnq3o5un4Iev6Xe3p7AwfXKvcdObt4W82LPcEH+jVNcb0dTVlSdonuID1TQpAS6IbikG+oe9Lz0/oDuChP1vjCbmWRuo7dK0LZ9btBdWu93KFw3c= 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 A8DFFFEC; Thu, 22 Aug 2024 08:11:54 -0700 (PDT) Received: from e124191.cambridge.arm.com (e124191.cambridge.arm.com [10.1.197.45]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 8A4E13F58B; Thu, 22 Aug 2024 08:11:24 -0700 (PDT) From: Joey Gouly To: linux-arm-kernel@lists.infradead.org Cc: nd@arm.com, akpm@linux-foundation.org, aneesh.kumar@kernel.org, aneesh.kumar@linux.ibm.com, anshuman.khandual@arm.com, bp@alien8.de, broonie@kernel.org, catalin.marinas@arm.com, christophe.leroy@csgroup.eu, dave.hansen@linux.intel.com, hpa@zytor.com, joey.gouly@arm.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, maz@kernel.org, mingo@redhat.com, mpe@ellerman.id.au, naveen.n.rao@linux.ibm.com, npiggin@gmail.com, oliver.upton@linux.dev, shuah@kernel.org, skhan@linuxfoundation.org, szabolcs.nagy@arm.com, tglx@linutronix.de, will@kernel.org, x86@kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org Subject: [PATCH v5 01/30] powerpc/mm: add ARCH_PKEY_BITS to Kconfig Date: Thu, 22 Aug 2024 16:10:44 +0100 Message-Id: <20240822151113.1479789-2-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240822151113.1479789-1-joey.gouly@arm.com> References: <20240822151113.1479789-1-joey.gouly@arm.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The new config option specifies how many bits are in each PKEY. Signed-off-by: Joey Gouly Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Christophe Leroy Cc: "Aneesh Kumar K.V" Cc: "Naveen N. Rao" Cc: linuxppc-dev@lists.ozlabs.org Acked-by: Michael Ellerman --- arch/powerpc/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git arch/powerpc/Kconfig arch/powerpc/Kconfig index d7b09b064a8a..8a4ee57cd4ef 100644 --- arch/powerpc/Kconfig +++ arch/powerpc/Kconfig @@ -1026,6 +1026,10 @@ config PPC_MEM_KEYS If unsure, say y. +config ARCH_PKEY_BITS + int + default 5 + config PPC_SECURE_BOOT prompt "Enable secure boot support" bool