From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fhigh-b3-smtp.messagingengine.com (fhigh-b3-smtp.messagingengine.com [202.12.124.154]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 177601FB3; Mon, 25 Aug 2025 08:03:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.12.124.154 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756109020; cv=none; b=n2ZxVcL1o86RJY7923U5zdhW0esZGStyfrMFPEASEvCO2bOLtwr6YByL+53rCoumUC2C5v3kwv+zkY4+YTq5koWf5dX54JbLCeNkgD/ZGXFK9D12yzkmRbd/GWtrLRmRk0MmjvdLPz7ujUmq0inwhyB+3jj5t+fosVoPEyhiniw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756109020; c=relaxed/simple; bh=mvmq5rwqiWBHURNUX+Nja686kD0FUynMAYpWQ7S0jrQ=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=r5a9PlMZmYCBj09VTyJp+GkRHadP1pTo+ja9gv9asFzFK++KP2FicTsTQL4ekJ4g50GtWiVtPczhVjv5+LIN6jqRC0bG6MCppQXKYAGsVMFwWVa3hFvylV1FyLXIdS3E82SWW0jnkv59RM0CS78eD0I5zdRQxbpnSuEZNFuwJz0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org; spf=none smtp.mailfrom=linux-m68k.org; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=gzDmK5Nt; arc=none smtp.client-ip=202.12.124.154 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="gzDmK5Nt" Received: from phl-compute-05.internal (phl-compute-05.internal [10.202.2.45]) by mailfhigh.stl.internal (Postfix) with ESMTP id C2F837A0138; Mon, 25 Aug 2025 04:03:36 -0400 (EDT) Received: from phl-mailfrontend-02 ([10.202.2.163]) by phl-compute-05.internal (MEProxy); Mon, 25 Aug 2025 04:03:37 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t= 1756109016; x=1756195416; bh=LV8nmb1e2FEh9yr5rX4WxOJTjRfi9VaYMx6 rSASEwDk=; b=gzDmK5NteI6JjDK2LUeWse+V9cK3gpiz/p22O5LM4/uqzUrd5BU LOz9dPpLLWnnAr5MQdayJN9nw7dt2el9/Cqb5Ml5zo9BqnS3RZY5A+1eGcd71B0J zIBH4hsLMT4EBuNdVHsyYPABF2RU3vxUFqyYq3gf6qqrNT+ap91sXG9ufHe1kCnF Ni0IqV463rC6z6tHc3P5C6j0GBHrDWi0BtM03qahHLf+hc8+/0wMmj6GUW9NVzwu iGsrpbeWtBnQ/U5VcN/Vhp4/QVhDIp8SPSthh5fjum+DrLEFEVam4Ev1tkyF8yl9 SQjngi0bQXaWbJxEO+pdB/XuBvCvleiJ0Vw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgddujedukeeiucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujf gurhepfffhvfevufgjkfhfgggtsehttdertddttddvnecuhfhrohhmpefhihhnnhcuvfhh rghinhcuoehfthhhrghinheslhhinhhugidqmheikehkrdhorhhgqeenucggtffrrghtth gvrhhnpeelueehleehkefgueevtdevteejkefhffekfeffffdtgfejveekgeefvdeuheeu leenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehfth hhrghinheslhhinhhugidqmheikehkrdhorhhgpdhnsggprhgtphhtthhopeelpdhmohgu vgepshhmthhpohhuthdprhgtphhtthhopehpvghtvghriiesihhnfhhrrgguvggrugdroh hrghdprhgtphhtthhopegrkhhpmheslhhinhhugidqfhhouhhnuggrthhiohhnrdhorhhg pdhrtghpthhtoheplhgrnhgtvgdrhigrnhhgsehlihhnuhigrdguvghvpdhrtghpthhtoh epghgvvghrtheslhhinhhugidqmheikehkrdhorhhgpdhrtghpthhtohepmhhhihhrrghm rghtsehkvghrnhgvlhdrohhrghdprhgtphhtthhopehorghksehhvghlshhinhhkihhnvg htrdhfihdprhgtphhtthhopeifihhllheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohep shhtrggslhgvsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugi dqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhg X-ME-Proxy: Feedback-ID: i58a146ae:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 25 Aug 2025 04:03:32 -0400 (EDT) Date: Mon, 25 Aug 2025 18:03:23 +1000 (AEST) From: Finn Thain To: Peter Zijlstra cc: Andrew Morton , Lance Yang , Geert Uytterhoeven , Masami Hiramatsu , Eero Tamminen , Will Deacon , stable@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] atomic: Specify natural alignment for atomic_t In-Reply-To: <20250825071247.GO3245006@noisy.programming.kicks-ass.net> Message-ID: <58dac4d0-2811-182a-e2c1-4edfe4759759@linux-m68k.org> References: <7d9554bfe2412ed9427bf71ce38a376e06eb9ec4.1756087385.git.fthain@linux-m68k.org> <20250825071247.GO3245006@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii On Mon, 25 Aug 2025, Peter Zijlstra wrote: > > And your architecture doesn't trap on unaligned atomic access ?!!?! > Right. This port doesn't do SMP.