From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2854021D596 for ; Thu, 4 Jun 2026 14:51:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780584721; cv=none; b=eBAFdXaoQpfsDZwzgP5x8/EVOVVyBk4x/511wm4NDuu0OUyREmr68yC0mcA7huF13hEI86mqISP5IiqabkgmA3Kri1/XKJ4PCYEs4yKc8xp+hAgXqjNxJBA+ardW0mklYjFn6ycn+F7PmVIBzmG8aJvjXEKYerSjALEbNsnRilc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780584721; c=relaxed/simple; bh=jK6/1ZBEiXIoZz82GCyvUCZm3Xajib43/3gXTsyemlI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=h4UVlfq7CbUQHndNE+hxumqiGido7/2veLn0FuTnpxsw1ExPfRzn8HxNPZ7RvSIRVmjSaWcrnxfetwS4wz8cOmygR/ExaGA+E/Bs9fLI39VIBWYZUQ6d7fy19yl4906Q4WNxr3TLPEUmuO81CrWgFgoMvyGgiQ9lwexh/T1ncuU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F7/U626L; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="F7/U626L" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF85B1F00893; Thu, 4 Jun 2026 14:51:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780584719; bh=Q1mkL9UUB9HEOZh19mh72msfL8GRHgkp0ndyBf0CZDY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=F7/U626LxyQ16yuoPx6eY8++Sefv01TALOSO+kTk5eMLpBEsTGmBj14JsTBV2aOJO HTDepSCZbgeUCbDKQ/L48iQEjVMsbkUmr8FHRYsE6Zy3+7frhl+QkrzXAW568ZtlWw USnozrHRRmVEzLWbjm9vdyXAinwaEbtZbqWbw8UbNaMe4Gen095/d4IAykIUrT6W0M aUi4fEjbpgZm7tgB5RUZ8zGaoz9cuIA3cscf0+Qk72225aQ37XWBGI9sZwbQYdLxpT p0obyacP9BNelILGkVGP5+bmu7ar88Vt8g1jDrNWjVawEJMgOFE7Mgv4clHtmfCKYN RsB7C7+rez6sQ== Date: Thu, 4 Jun 2026 16:51:53 +0200 From: "Oscar Salvador (SUSE)" To: Dave Hansen Cc: Oscar Salvador , Andrew Morton , Dave Hansen , Borislav Petkov , Karsten Desler , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] arch,x86: Skip setting align_offset for hugetlb mappings Message-ID: References: <20260601125015.216110-1-osalvador@suse.de> <53b599ef-0f16-44d9-bfda-a5a751649193@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <53b599ef-0f16-44d9-bfda-a5a751649193@intel.com> On Mon, Jun 01, 2026 at 01:25:12PM -0700, Dave Hansen wrote: > Oscar, even if the real fix involves a couple of patches, can we please > see that, first? Then, we can go back and make an informed decision > about hacks versus proper fixes. Fix sits here [1]. It is quite straightforward, is arch-agnostic and I can confirm it fixes the AMD regression. It is part of a 8-patch series [2] (#1 is the fix and follow up are cleanups). I shall send it once I confirm that some more tests pass. [1] https://github.com/leberus/linux/commit/fd6ac9d2af4d0acd27c6b2a840a6d9e6ad4bc4a6 [2] https://github.com/leberus/linux/ hugetlb-refactor-mask-align -- Oscar Salvador SUSE Labs