From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f73.google.com (mail-wr1-f73.google.com [209.85.221.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5A6A8276041 for ; Mon, 11 May 2026 11:35:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.73 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778499342; cv=none; b=QUlMedNB/x/4I3YGzQftrFKEhCwIgKI65oxnipJ043E6AKckKfOYletPjjEUBZ7jZkcTNcsoHxJ8A4P0Txq+FLiIO9dSLJIvJfLwwZSc1JZZ9NW0dhow205w9/ng7rxOuLYIMoEiUdJo86eBB7PB3fxOVtjOGHJRn18SID7Lmi4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778499342; c=relaxed/simple; bh=zL2Oe52bqZF9YlxflipggyRbjjAYGZR2Ptfr+Iv7R8o=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=ii2Xijb7IzZCwOGJPk+b/WoTBpJmk2NirjJ07oZJQrhF7BdojLEuwVX7rh+DQPk+WyuK5TxiNXtbwAWpa6TKp75qOBTImu5TrLivncXj/50HtLxkEn+8bUupAp2ptDpLGaip5qGIOlJif0wUbi6+kaE4QPaokrEXSkL/g15pssw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--jackmanb.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=r0SjhWbL; arc=none smtp.client-ip=209.85.221.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--jackmanb.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="r0SjhWbL" Received: by mail-wr1-f73.google.com with SMTP id ffacd0b85a97d-44ffa15dc8cso2747962f8f.1 for ; Mon, 11 May 2026 04:35:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1778499338; x=1779104138; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=zL2Oe52bqZF9YlxflipggyRbjjAYGZR2Ptfr+Iv7R8o=; b=r0SjhWbLAAa730SP93udQpFuLE/LMlvID8yYxYwUrq5rrjTpvhJ62BhngfH1rn8rpV lBLNs1UhMb1UbrkcO+6iNpjkVva5uGpWtF27RTYLv871pP6Dhalr0kSxU2jj0UORj0VO hIY3bpjibxyIGVkiVtFLMOzlqPgJK2cBoSY3zMD6UPR8VKhULGTfphk3LkEXOiJ5B/mz 16mf4C4mm2wKmEsP0qO1XZUiVhiU9BsVddAwP3i/694cieycfSyvNw+11d4sgncZqaF9 NYX4xsYCerpEFUKbpwxKBTibyjJWJtXVhS7kjY7u7s1xfYhoyTxez4Miyl0eT2A6KlI3 cnBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778499338; x=1779104138; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=zL2Oe52bqZF9YlxflipggyRbjjAYGZR2Ptfr+Iv7R8o=; b=bTMoN3FTkfjoRdqipkKvyAukTopeTteKByAO5gjWfRJ9VFSTrYvREBlcTs/IGjFqSR kBAYobdOevTOoS2EszTDh8PtyLE6dEDDq4qALOMsg4l4TZIetDJr6ijAflhaXI0EhAIt tnEQfyr/FipuSd4ggnrD1zvzXx4jcirPaIHFqTkCk2i7qRlkZdNhRRDWhPPYyL9KxEOj WEmBP813m7OGQrNOhdsuU38Jm/535mblqciuG56cLJFMJqVJLnqaMo/wEs2J2jcrSQwk LJmxRTU7b189ZXYH3l9+MqTJLu1zqmVEatD+NI60twj0ugwRhf4KzX4VCwImGA6/MFEX 8/4Q== X-Gm-Message-State: AOJu0Yx0C7rETlgxpqMHDqi9Frfk/TVKzO77v1plMh3r0FXtLuRpwkB/ nmzeGZRslFrLfe0o9DOQILN4C1wvvqKN8+WvzKk/+PSE740SfxgzSx8TbVkg3l7iDo0vCB04Jhy i6oujhaXSVnjEkw== X-Received: from wrxn17.prod.google.com ([2002:a5d:6b91:0:b0:43c:f700:880f]) (user=jackmanb job=prod-delivery.src-stubby-dispatcher) by 2002:a5d:5e01:0:b0:44d:4898:7ed9 with SMTP id ffacd0b85a97d-4515c574f7bmr37821750f8f.23.1778499338018; Mon, 11 May 2026 04:35:38 -0700 (PDT) Date: Mon, 11 May 2026 11:35:36 +0000 In-Reply-To: <20260323-pgd_list-comment-v2-1-77ccf2dc77e8@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260323-pgd_list-comment-v2-1-77ccf2dc77e8@google.com> X-Mailer: aerc 0.21.0 Message-ID: Subject: Re: [PATCH v2] x86: update comment about pgd_list From: Brendan Jackman To: Brendan Jackman , Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , , "H. Peter Anvin" Cc: Content-Type: text/plain; charset="UTF-8" On Mon Mar 23, 2026 at 2:25 PM UTC, Brendan Jackman wrote: > This venerable comment got detached from its context when the code moved > in commit 394158559d4c ("x86: move all the pgd_list handling to one > place"). Put it back next to its context. It was originally on > pgd_list_add() but it actually describes pgd_list so put it there. > > While moving it, update it to strip away stale and superfluous info. > pageattr.c doesn't exist any more. pgd_list is now required > for all x86 architectures. Also be slightly more precise about what PGDs > are in this list. > > Signed-off-by: Brendan Jackman > --- > Changes in v2: > - Moved it next to pgd_list instead of back to old location > - Strip away stale bits from the comment > - Added note about PGDs that _aren't_ in this list > - Link to v1: https://lore.kernel.org/r/20260311-pgd_list-comment-v1-1-4ea51b41adee@google.com Hi Dave, I think this is ready? (I don't see it in tip/master, apologies if I'm looking in the wrong place).