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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 D89A6C433EF for ; Mon, 29 Nov 2021 03:19:46 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4J2Vvj3GrFz3fRY for ; Mon, 29 Nov 2021 14:19:45 +1100 (AEDT) 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=20210112 header.b=GSx3krxr; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::431; helo=mail-pf1-x431.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=20210112 header.b=GSx3krxr; dkim-atps=neutral Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) (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 4J2Vg974nfz3cXw for ; Mon, 29 Nov 2021 14:08:53 +1100 (AEDT) Received: by mail-pf1-x431.google.com with SMTP id x131so15276652pfc.12 for ; Sun, 28 Nov 2021 19:08:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Ec1iJ3RRwygNSblSnoglitg1g/fNrFXE3ND6zBA/J14=; b=GSx3krxr9BjlP1rv4liaOmEZS6Dy1iho0mYTgIg2RasQhIa61GaONo0xXwaZ8DH/xy 9JvVRnWmu2yRUKs8oo5KPLV0hg0RoVFctE88sBSmih15tcGLfA8hc1LStWdplLbMP7R7 sHbwosrXXTXU0wvGwsHkDarfAMwDC+cyvJ5f+yRgCCFp899jWMp3v7rjVXpbBONhoRjp 0q87GcsGnZ4Sx3ROnyMW5gS55I316r6lgb9jy/b8nmTrdcNLgd8xGVfBpmGue1dBCSVh s9QZSJsUO9ebxXu+mVxmOSSFAEFUwLD/XhP5gN6OP/Gi424nVRK9lJS9ClQeL6OVaL0+ NNCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Ec1iJ3RRwygNSblSnoglitg1g/fNrFXE3ND6zBA/J14=; b=4cijB4Hwp5tEpIDpotneHTIkBFyC8+JUgH5kC9sTpErVmUZmeXfRzoMSLq7AiY85l0 shbE/JFcg/2e/WrVL8arIqqVB53GFSaz072pYcTap6FB5DHs9x0w3OVvQiFGx6NgPAdG HDND4OE0xBuBoF0pISOHGzvpiq9Ihe1Pb189qjS4mpdXSTtruPCx2x2qucmF2pFmbTc5 KucEwr/0xnCGNzBUalzNTyL/DItwZOa2ewEGT5Q0rnNoxaxugx42IiFyf9QdzgbHNv5V 0IkQU5u4OWTBVOnfYC2Necnnqm4Lc6Pvp9Ftr6InHqBksmaUPegozvevCPnKNpjZdl+A rzWQ== X-Gm-Message-State: AOAM530cSVqhm9A3YYMfF36YES+kfqucAVSvMZQB8qDqJOxq28G64sZo 0ndCvKKkxnOwVAp1vknRLcObDyMqjkk= X-Google-Smtp-Source: ABdhPJxwfHxMe+o8afY3+xr2Nk6bA+T/lDrnYhjqimOyhhyjkY0q/6CpCFIu+hXOqUCN+DBE3Rue6w== X-Received: by 2002:a05:6a00:a14:b0:4a0:945:16fa with SMTP id p20-20020a056a000a1400b004a0094516famr36629777pfh.9.1638155331820; Sun, 28 Nov 2021 19:08:51 -0800 (PST) Received: from bobo.ozlabs.ibm.com (115-64-213-93.static.tpgi.com.au. [115.64.213.93]) by smtp.gmail.com with ESMTPSA id h8sm15462908pfh.10.2021.11.28.19.08.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Nov 2021 19:08:51 -0800 (PST) From: Nicholas Piggin To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v5 17/17] powerpc/microwatt: add POWER9_CPU, clear PPC_64S_HASH_MMU Date: Mon, 29 Nov 2021 13:08:03 +1000 Message-Id: <20211129030803.1888161-18-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20211129030803.1888161-1-npiggin@gmail.com> References: <20211129030803.1888161-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Microwatt implements a subset of ISA v3.0 (which is equivalent to the POWER9_CPU option). It is radix-only, so does not require hash MMU support. This saves 20kB compressed dtbImage and 56kB vmlinux size. Signed-off-by: Nicholas Piggin --- arch/powerpc/configs/microwatt_defconfig | 3 ++- arch/powerpc/platforms/microwatt/Kconfig | 1 - 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/configs/microwatt_defconfig b/arch/powerpc/configs/microwatt_defconfig index 07d87a4044b2..eff933ebbb9e 100644 --- a/arch/powerpc/configs/microwatt_defconfig +++ b/arch/powerpc/configs/microwatt_defconfig @@ -15,6 +15,8 @@ CONFIG_EMBEDDED=y # CONFIG_COMPAT_BRK is not set # CONFIG_SLAB_MERGE_DEFAULT is not set CONFIG_PPC64=y +CONFIG_POWER9_CPU=y +# CONFIG_PPC_64S_HASH_MMU is not set # CONFIG_PPC_KUEP is not set # CONFIG_PPC_KUAP is not set CONFIG_CPU_LITTLE_ENDIAN=y @@ -27,7 +29,6 @@ CONFIG_PPC_MICROWATT=y CONFIG_CPU_FREQ=y CONFIG_HZ_100=y CONFIG_PPC_4K_PAGES=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/microwatt/Kconfig b/arch/powerpc/platforms/microwatt/Kconfig index 823192e9d38a..5e320f49583a 100644 --- a/arch/powerpc/platforms/microwatt/Kconfig +++ b/arch/powerpc/platforms/microwatt/Kconfig @@ -5,7 +5,6 @@ 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 -- 2.23.0