From patchwork Fri Aug 27 16:34:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicholas Piggin X-Patchwork-Id: 1521717 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: 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+patchwork-incoming=ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=O/R49zTW; 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 RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Gx54z0d48z9sT6 for ; Sat, 28 Aug 2021 02:38:43 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Gx54y6FL8z3dbF for ; Sat, 28 Aug 2021 02:38:42 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=O/R49zTW; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::1029; helo=mail-pj1-x1029.google.com; envelope-from=npiggin@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=O/R49zTW; dkim-atps=neutral Received: from mail-pj1-x1029.google.com (mail-pj1-x1029.google.com [IPv6:2607:f8b0:4864:20::1029]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Gx5085yFlz308w for ; Sat, 28 Aug 2021 02:34:32 +1000 (AEST) Received: by mail-pj1-x1029.google.com with SMTP id fs6so4899588pjb.4 for ; Fri, 27 Aug 2021 09:34:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Gc5u56Oc09q4exYlp/ObIY2KDidZ0lxkdobguxS+Ct4=; b=O/R49zTWexF660JzoITdJGj378jQCamQZyUEbShGLIxNh3LwNB3A4eVvXlj7Xn578W Taqhe+XtPJpCGHACMl0MnBQmeWCNuXQBw7NrdhA90drbUW/ZWv3VDo1ZVBPU/7baE9po fskqF4O0+s8d1cUAI3ddFVOu7jNv1RB3z7sIZCBG5y+MgbR30hWr4QNodYcz2R5gWPmk OYUDAdu+SjNF1E9TN7IC1GHjZOA7DY7kUFRHv4w2cUkztVz1Uv5KS4dOfdXpOTAir4P5 zmQX1GSuDYbfuKqnFWqDB8w2pz95yTcJR4Bdd/cMGsH37OdOgMf86N+d+4J0kmJUc7JM 4Oqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Gc5u56Oc09q4exYlp/ObIY2KDidZ0lxkdobguxS+Ct4=; b=snOLy19eHU6M6J0yniyWalHAHJPXWuraMTA6pGiE1SzR3FghUvM70hQc0qBaAj+nFX sGdlVBNV0HhIuptjKviHyaw7LE2mQ3CvwlHSLMy4JB6/6bEpVcfmrKb2qh8DibjKxbSv MH/HPUeVUH8ZwV+fc365hbImQYCdBqa15TvVvF3oZUsSzDbeGqK6SDeDec9Yop78Qfwr yWfLis3+tAwRHkTGQi0PJL5AihtIMXY8n2Yw160dzEDg6q6bkkbDL06bmP4rOQ7gxLIU /lM++GHThsqg7Ky7KHh7B1+uTKp8k79xzAr3Pd6wew0LKaq8xq/1mAtFHPdUWj7IfvNR eOGA== X-Gm-Message-State: AOAM533nBT38vYX13CndellG/nL2HqPLpN8N88TpzqJpp1LAxN2jVdEn 7TygoiuXlfKqnIHMAAiYpsJvpQIatEg= X-Google-Smtp-Source: ABdhPJwTK03fNZkG72IOdFGKN6YcjdGibTLKMDX1KjBfsVt0D1t9vGy0HQMlmoHA1hEHbv2q3Jcd1w== X-Received: by 2002:a17:90a:560a:: with SMTP id r10mr24596309pjf.86.1630082070420; Fri, 27 Aug 2021 09:34:30 -0700 (PDT) Received: from bobo.ozlabs.ibm.com (220-244-72-10.tpgi.com.au. [220.244.72.10]) by smtp.gmail.com with ESMTPSA id u24sm7083852pfm.85.2021.08.27.09.34.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Aug 2021 09:34:30 -0700 (PDT) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH 6/6] powerpc/microwatt: Stop building the hash MMU code Date: Sat, 28 Aug 2021 02:34:10 +1000 Message-Id: <20210827163410.1177154-7-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210827163410.1177154-1-npiggin@gmail.com> References: <20210827163410.1177154-1-npiggin@gmail.com> 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: , Cc: Nicholas Piggin Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Microwatt is radix-only, so stop selecting the hash MMU code. This saves 20kB compressed dtbImage and 56kB vmlinux size. Signed-off-by: Nicholas Piggin --- arch/powerpc/configs/microwatt_defconfig | 1 - arch/powerpc/platforms/Kconfig.cputype | 1 + arch/powerpc/platforms/microwatt/Kconfig | 1 - 3 files changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/powerpc/configs/microwatt_defconfig b/arch/powerpc/configs/microwatt_defconfig index bf5f2e5905eb..6fbad42f9e3d 100644 --- a/arch/powerpc/configs/microwatt_defconfig +++ b/arch/powerpc/configs/microwatt_defconfig @@ -26,7 +26,6 @@ CONFIG_PPC_MICROWATT=y # CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set CONFIG_CPU_FREQ=y CONFIG_HZ_100=y -# CONFIG_PPC_MEM_KEYS is not set # CONFIG_SECCOMP is not set # CONFIG_MQ_IOSCHED_KYBER is not set # CONFIG_COREDUMP is not set diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 9b90fc501ed4..b9acd6c68c81 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -371,6 +371,7 @@ config SPE config PPC_64S_HASH_MMU bool "Hash MMU Support" depends on PPC_BOOK3S_64 + depends on !PPC_MICROWATT default y select PPC_MM_SLICES help diff --git a/arch/powerpc/platforms/microwatt/Kconfig b/arch/powerpc/platforms/microwatt/Kconfig index e0ff2cfc1ca0..4f0ce292a6ce 100644 --- a/arch/powerpc/platforms/microwatt/Kconfig +++ b/arch/powerpc/platforms/microwatt/Kconfig @@ -6,7 +6,6 @@ config PPC_MICROWATT select PPC_XICS select PPC_ICS_NATIVE select PPC_ICP_NATIVE - select PPC_HASH_MMU_NATIVE if PPC_64S_HASH_MMU select PPC_UDBG_16550 select ARCH_RANDOM help