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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 58F6FCD6E6D for ; Thu, 4 Jun 2026 14:52:11 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 80B516B0005; Thu, 4 Jun 2026 10:52:10 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7BBDA6B0088; Thu, 4 Jun 2026 10:52:10 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6D1A56B008A; Thu, 4 Jun 2026 10:52:10 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 58DEE6B0005 for ; Thu, 4 Jun 2026 10:52:10 -0400 (EDT) Received: from smtpin26.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id F1DD740130 for ; Thu, 4 Jun 2026 14:52:09 +0000 (UTC) X-FDA: 84842520378.26.A974D7C Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf09.hostedemail.com (Postfix) with ESMTP id A86B114001F for ; Thu, 4 Jun 2026 14:52:00 +0000 (UTC) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1780584720; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Q1mkL9UUB9HEOZh19mh72msfL8GRHgkp0ndyBf0CZDY=; b=eA7QsaG3kmFjjpb2ENV9C6pUT7ZvY2sS18Zse+O8fT46qpp6ORIzCuHUBKH3YJ0d4DtPKR 9MUfQ5q1Jz6+Z8MHGCw5UrwRSgLqeBLyXZcd2DnGVgOaYmUNA4KacUbXf2/mAvK3aXZopy 6W7Nvh0bXoFQ1aAFE0mn+C4yJwidfhg= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1780584720; b=ZHmVRCncTjvJtNf6f4lXKP9j7pZ2aRDH7ahDoNmXWsDkdVfedQWnnvVa5d6Xjcf09+0U4U rNFiQA/kBAKgZ9S4V7Y+I7RyVWipF+dqagyB2hlF9lTCX7UdBHN8NnT3T7bpSvC3Ntr7B4 /eFKDu4C5clXA/+uskgUSqLtZou1vHI= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b="F7/U626L"; spf=pass (imf09.hostedemail.com: domain of osalvador@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=osalvador@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id C550940AF1; Thu, 4 Jun 2026 14:51:59 +0000 (UTC) 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53b599ef-0f16-44d9-bfda-a5a751649193@intel.com> X-HE-Tag: 1780584720-319984 X-HE-Meta: U2FsdGVkX19N0B7FJWAZsTI5G0n39pmEq0PDhPwCHDkR8WhTQXqfbOOXHQaD8FPVtPxKSnjpwA4eVQ+nRPamUH+3Spoo1NYX4s9X6r7USvCrbY+4nDCy2Kfo9m97DUPYli1NxwNtFPolTtYzy6Rt4Ck2aD1Lt1qq5E39epCpuqP2dj52t+VGU5YJJWDgBAn/f5487fZkzitUpZRQOZIUv8SQO4F45wOB8b2aX6k0XGLrAx/vTmj+lSxAe8qGEr4eRAd5otFFd9dePPLN6VzJv02O45okESzs+da6xxgQktK67B62Iu4FS3ijHnT3yXLmuc8Lf7Vcc5mkiUoDiSQ+CqYYJov3OzYxaqmiB9DlAj0o2QLcKnCVWAD9ZkaPDw6IWRHXRs5FBKTLO5Xc3K5Z3xDWMwaXcsXY Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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