From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 803581F151C; Thu, 9 Oct 2025 07:02:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759993341; cv=none; b=Q8io+y6kMXTXmE6Yl5eEdgT4rTiBxESyhVai0/pS8HPBSwYU7uhO4FezmeFr6yEaJfaV8Uzp2q3rbQqxEg9a8AAPywlyEphe8wnjY7SM+bo4bH/INuASv0y5O1GmjlcnujufipjJ/blbzgh+Oo0PiIc8beBfL15lwebFH2aDYyM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759993341; c=relaxed/simple; bh=tvYLvDIBb3D303eQ6KXixRkOCxS6SBhi1y+E7dgsZjU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=a/jPxCKm9nYWaWGGvVWgEl/W+DFFzI2ye4rkMtQAtf2ZH83FgLtV3ju1IWdqUtDf7kmd/sKN0uAHyMYJumAsKvWrEtxuMJwbwsGciBdjPtXWHm+KcrOjwUQtDxXTPXXGmVGcIXSmLj9qmoUaWZyAcIOffMsKW4ufEJmW1gqmvZU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=WBaT4VqF; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="WBaT4VqF" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=tvYLvDIBb3D303eQ6KXixRkOCxS6SBhi1y+E7dgsZjU=; b=WBaT4VqF0KMSU3YMU58QP5Bn3z xQ6JqzyO427EMlxrPHeLN/qRgrc/vKL7a87trCT4g+wIEHDF63CKcdFqUfzqXbp6VWXeQrwvRVrNE DnvMtI6VKv0wJcxOa6ZCEH7O5xooDmgLJELxgAqtW+Ho2DQMxDGvp2agPelh47rpjCObmTizjwgfe 2nQSt0M3tEl/IHn23qcJ+TJ0ZsJECPM812nZp6VxdNlL0Dj/YrIFCImqWqw+gEUaSo9Jy1uhZAw7y IitWIVIzrbz35f0V6hzS7NWZeFru5L9ZJ0DyUFWi0p1PC0oDzMr1+6H/q726fWBse42Oto5j3pHyL grv+IQXA==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1v6kf8-00000002ykY-0j1O; Thu, 09 Oct 2025 07:02:07 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 612A3300400; Thu, 09 Oct 2025 09:02:06 +0200 (CEST) Date: Thu, 9 Oct 2025 09:02:06 +0200 From: Peter Zijlstra To: Alexei Starovoitov Cc: Finn Thain , Will Deacon , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Andrew Morton , Boqun Feng , Jonathan Corbet , Mark Rutland , Arnd Bergmann , LKML , linux-arch , Geert Uytterhoeven , linux-m68k@vger.kernel.org, Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , bpf Subject: Re: [RFC v3 2/5] bpf: Explicitly align bpf_res_spin_lock Message-ID: <20251009070206.GA4067720@noisy.programming.kicks-ass.net> References: <807cfee43bbcb34cdc6452b083ccdc754344d624.1759875560.git.fthain@linux-m68k.org> Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Oct 08, 2025 at 07:10:13PM -0700, Alexei Starovoitov wrote: > Are you saying 'int' on m68k is not 4 byte aligned by default, > so you have to force 4 byte align? This; m68k has u16 alignment, just to keep life interesting I suppose :-)