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 4FE28EE4982 for ; Wed, 11 Sep 2024 09:14:43 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4X3Zds0nYkz2yDx; Wed, 11 Sep 2024 19:14:41 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=91.218.175.171 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1726046081; cv=none; b=kSHWuNIU/PYtnb39B9lNamRoPcjj7qj49tWQ2UF/DgWike/eB61+j6fgQ1MaQ/o8brPyeBB2W1qg3o7rXudHQ8lQyctc2VuP662hCnWuRT5uQNnBMjKP36dpQSsQLNU43EfU7lvMA6rL+iAMs6ezNQOkQ3Hj8D/KQYId5Fd/iFRwe20qr595Yj4VAWBSvd+z07xxYGFsI3VDPpRfH2rULrXaaqrqKnVnKHeZFTVjrvysgNJwA83HVsPlCSHkDfKy5Vm5jXpuyua60cQX2HYKPS8tYr3+95BZG2bt2Zk9NNh4/u6YjXRTagnxhmSJuhZ2aNnkiJfbOilIpQNdAwwBXQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1726046081; c=relaxed/relaxed; bh=PG2DAax+JlcWtQamyINUSDmt+za3swHNY4VA8lUVONc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QFupFRVEmKXVli0XovKdkOfdFdXWEtjiMPI2zGexGE6b6qFc3kA2AVqQHppmDfTZ10eAyk+CbLc2zxg8ubprwWL0MA5WSDCzYnUE+delYDrpfITXtgSnHMLHZFdPH3/hHs/kcQd04jdmWwCvBR6L+Y8WjoryKmjSyzc10YB3zj87Fr8d1EPRrd39kMO+EgVmIBREmUcYcGwqebbVf7bOv3ZgkypeXH3i7XafAlmYjZJ9vpS8x++lgVKqo2iA9VuEDn8fyO/Q5yWE7g/x/QMjDx4/VKWAH908XqpGEqgu1y+ImdXcN+snjYS/OUlnmdZmLHIdZfTiujttJ4lPQlqG4Q== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linux.dev; dkim=pass (1024-bit key; unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=ukkq+j7D; dkim-atps=neutral; spf=pass (client-ip=91.218.175.171; helo=out-171.mta0.migadu.com; envelope-from=andrew.jones@linux.dev; receiver=lists.ozlabs.org) smtp.mailfrom=linux.dev Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=ukkq+j7D; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.dev (client-ip=91.218.175.171; helo=out-171.mta0.migadu.com; envelope-from=andrew.jones@linux.dev; receiver=lists.ozlabs.org) Received: from out-171.mta0.migadu.com (out-171.mta0.migadu.com [91.218.175.171]) (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 4X3Zdq1xxyz2xSl for ; Wed, 11 Sep 2024 19:14:38 +1000 (AEST) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1726046058; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PG2DAax+JlcWtQamyINUSDmt+za3swHNY4VA8lUVONc=; b=ukkq+j7DSgzu99+s4/Sj7crBGzDfShHZKTFs2u72WegAsbbYuORO7jgNfgze3vogvP3D6k 3vpzTR+AZ1TXwx5pqiziUb+WHgS55/sAqA3h9+fYA90AAidxkqm/fOe0VJ64UegmgY/FWJ +I4h4bD34o4s0knIOFV/gn/cq7bPnfs= From: Andrew Jones To: kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, kvmarm@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org Cc: pbonzini@redhat.com, thuth@redhat.com, lvivier@redhat.com, frankja@linux.ibm.com, imbrenda@linux.ibm.com, nrb@linux.ibm.com, atishp@rivosinc.com, cade.richard@berkeley.edu, jamestiotio@gmail.com Subject: [kvm-unit-tests PATCH v3 1/5] riscv: Drop mstrict-align Date: Wed, 11 Sep 2024 11:14:08 +0200 Message-ID: <20240911091406.134240-8-andrew.jones@linux.dev> In-Reply-To: <20240911091406.134240-7-andrew.jones@linux.dev> References: <20240911091406.134240-7-andrew.jones@linux.dev> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT The spec says unaligned accesses are supported, so this isn't required and clang doesn't support it. A platform might have slow unaligned accesses, but kvm-unit-tests isn't about speed anyway. Reviewed-by: Thomas Huth Signed-off-by: Andrew Jones --- riscv/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/riscv/Makefile b/riscv/Makefile index 179a373dbacf..22fd273acac3 100644 --- a/riscv/Makefile +++ b/riscv/Makefile @@ -76,7 +76,9 @@ LDFLAGS += -melf32lriscv endif CFLAGS += -DCONFIG_RELOC CFLAGS += -mcmodel=medany -CFLAGS += -mstrict-align +# Unaligned accesses are allowed, but may be emulated by M-mode. +# Enable -mstrict-align if that's troublesome (only supported by gcc). +#CFLAGS += -mstrict-align CFLAGS += -std=gnu99 CFLAGS += -ffreestanding CFLAGS += -O2 -- 2.46.0