From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 3E0363D991; Mon, 22 Jan 2024 18:48:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705949340; cv=none; b=WOQs1FpL16reZREm76svlEEU5G+PXcIq5YhM58Mmx32mp2+gdMzlAI7sfzCFxE5LVuOO5CH54xBG2R1jyt7jF9hx+WQmb6gJsPvMqV9pzVz25IK4/EwyjfpNH7Z1xdl/wSA1VmWfcm2ulW/2tVOdc46AVgkpQyjpwX5a7u0qYJc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705949340; c=relaxed/simple; bh=MAQEcRqHb3if5HkmAI43gXvFuhSvOtbVx+WrKREOnrQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XfamSanOfKWnjICbo7FZfNDOCYygmfVloxB3ErV8N9+PkG5MpdIDblNvsONd4LnxzkqtH+OQOrMttMBD+G90ExSw8BjzOW+AQSkzbRRDCO9KFBN3Q0Qwv80oMM8FNH2+LNfLExcvx48N2rKEc8yKLCdEYZDiWodibE6LEX02NY0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=aJ0SsbNF; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.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="aJ0SsbNF" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=W4nN7oLLaAH1mNj9CSrB8+XTPs6nsG2lTrYk1k3mo8Y=; b=aJ0SsbNFlexreTJ+32upLpZTgK FeQ69FjtTeeF/ourGpH6q+CDAPsfhJIPuJCdvAz4dXR9RVagl35pYAIeZZ0FA58YUaLik8mFdMB0i nNCp5BZOdsdZ2XurWcprbwB154NniOgVHIYSrdxuZjpYkmg8VT6ug8cgIVe19G7bLRa9aDyCif1SV 3WZA/dwtiWeLQcoCPxOeDJHz+Mro3aJNR9FRybP3wlgY2IPPL0NyD9kFA2bEW1h2SAbTIqSMXFmLd aR0BBjqQ+R7aZvhjJIeUnMFrtDU4QW3K7PSNq11JvF4w4kpgnQwLb3UiOXdZiQEEeeJ4PG934jqnQ sZ5FHp+Q==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1rRzLt-00DbCX-17; Mon, 22 Jan 2024 18:48:57 +0000 Date: Mon, 22 Jan 2024 10:48:57 -0800 From: Luis Chamberlain To: Helge Deller Cc: deller@kernel.org, linux-kernel@vger.kernel.org, Masahiro Yamada , Arnd Bergmann , linux-modules@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: [PATCH 2/4] modules: Ensure 64-bit alignment on __ksymtab_* sections Message-ID: References: <20231122221814.139916-1-deller@kernel.org> <20231122221814.139916-3-deller@kernel.org> <1b73bc5a-1948-4e67-9ec5-b238723b3a48@gmx.de> <59bc81b5-820e-40ff-9159-c03e429af9a6@gmx.de> 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: Sender: Luis Chamberlain On Mon, Jan 22, 2024 at 05:47:49PM +0100, Helge Deller wrote: > On 1/22/24 17:10, Luis Chamberlain wrote: > > > > It's within the noise for x86_64, but given what you suggest > > for parisc where it is much more expensive, we should see a non-noise > > delta. Even just time on loading the module should likely result in > > a considerable delta than on x86_64. You may just need to play a bit > > with the default values at build time. > > I don't know if it will be a "considerable" amount of time. There are variables which you can tune, so given what you suggest it should be possible to get to that spot rather easily with a few changes to the default values I think. > > If you don't feel like doing that test that's fine too, we can just > > ignore that. > > I can do that test, but I won't have time for that in the next few weeks... I would appreciate it! Luis