From patchwork Fri Apr 14 13:23:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Ellerman X-Patchwork-Id: 1769021 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=CM4/14to; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Pycs45n3Zz1yXv for ; Fri, 14 Apr 2023 23:35:36 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Pycs44h9rz3fqX for ; Fri, 14 Apr 2023 23:35:36 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=CM4/14to; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Pyccr4Qz7z3fSN for ; Fri, 14 Apr 2023 23:25:00 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=CM4/14to; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4Pyccr3K0pz4xFL; Fri, 14 Apr 2023 23:25:00 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1681478700; bh=MDG8N742C2pqLMX/CpHdaGeIIvsnWTr+SIVE69YQwxY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=CM4/14topDgCOfSKZjgwclNCEmi8P75AxFN7cqgOo2Ruxnt63/fe252Se+J52xtEG bZJ19Ruvcxi3o+lOl26V/HgVb7i7BSMF+G/nPGOaOQsvBOioxWGI3nIitMPI+wTBw3 YCUtYISsztfYZbS5aTV+GElHYlGMYz2Q+pnvCPsTAA0gR70vnw+M13R39R1pz9NJvh Qojn4Of4ZDIMgBbK7QnLj21yTBA+4CendNoVhEJqOClLetFR+xNMHV8vccpBuB3mNy 5hT8N0MX8drFiPVT5t/rAGALS02kRt4y+x9Ue39soQ7ugfR4G+ksE8LF7YfSF6mBJE 9ekKyIBzbJf8w== From: Michael Ellerman To: Subject: [PATCH 15/32] powerpc/configs/64s: Enable SLAB hardening options Date: Fri, 14 Apr 2023 23:23:58 +1000 Message-Id: <20230414132415.821564-15-mpe@ellerman.id.au> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230414132415.821564-1-mpe@ellerman.id.au> References: <20230414132415.821564-1-mpe@ellerman.id.au> MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Fedora & CentOS enable these. Signed-off-by: Michael Ellerman --- arch/powerpc/configs/ppc64_defconfig | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index 59b9d8eb1c7b..0aafe64cd1d7 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -81,6 +81,10 @@ CONFIG_BINFMT_MISC=m CONFIG_ZSWAP=y CONFIG_Z3FOLD=y CONFIG_ZSMALLOC=y +# CONFIG_SLAB_MERGE_DEFAULT is not set +CONFIG_SLAB_FREELIST_RANDOM=y +CONFIG_SLAB_FREELIST_HARDENED=y +CONFIG_SHUFFLE_PAGE_ALLOCATOR=y # CONFIG_COMPAT_BRK is not set CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTREMOVE=y