From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [217.72.192.78]) (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 0C652159903; Wed, 24 Apr 2024 11:07:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.72.192.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713956833; cv=none; b=awKwMAOMTj0uIJzQ72zDw13NF35zDAFID201WmHfv7figmoAWDEKzSPP9QawQZGJZ5OROpbz7atoA7RmiamJ1ajqEUmsn7IdW7tYckXj4bwsLRMe49esEx9Rfn8flcimHLWojAcRUoiGVVPHycALYUch8EegeqWWPKBAvjhuT34= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713956833; c=relaxed/simple; bh=HIuZMhY7gmL38f+1HRFPKHO8EAylymTaSV39MZkYuXw=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ZTLyzHzbU2DiqReVKx6QD9f/zKkJIJAV7fjzUe/Ve5EeIoATQw1GEFKGLewFhG8Q3NQrAGRpra8FmuvNLmKitznMVkMjJJYvZIIMTqqnYry9ojSL7rnk4dQ4oLs6vXRfM2hr0F5YV5qjjp13piU+NsZjQUfrLa31AeFBfE8teBY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b=ZTnGkGzy; arc=none smtp.client-ip=217.72.192.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="ZTnGkGzy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1713956788; x=1714561588; i=markus.elfring@web.de; bh=HIuZMhY7gmL38f+1HRFPKHO8EAylymTaSV39MZkYuXw=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:Subject:To:Cc: References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=ZTnGkGzyZ0PmSZaEiDOLvObJG2eYu2o07Dfxyro+gYNe4IYOg42S41aWvW1SgEOX d0v5CPMVvoidaHS/CbI6UwqujiWmn3lO/stFEr+GY3abiuiqfBVBCQsKZWGsChUEk l3yUrG+sfX9VgOOEUYxJV1Yy1RKY/2qtnyf75cUf8tKCnI2iBQhZmm8HBWHKirwkr aEtmK46przSiiCooJl68oC589FzPubfD8uTbJQjC3G5bpMBKTwOlVeBdFINdvjdrE G0LH+0Mu7B6frOOULFiu2+NAzvhz+4U/jqHNIc4Ny4rWVOj9p2ixjsSER2Zx7JqwN Jn+yvPqUNKvz7SZj1A== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.85.95]) by smtp.web.de (mrweb105 [213.165.67.124]) with ESMTPSA (Nemesis) id 1N79N8-1skfFo0Gui-016yeo; Wed, 24 Apr 2024 13:06:28 +0200 Message-ID: Date: Wed, 24 Apr 2024 13:06:26 +0200 Precedence: bulk X-Mailing-List: linux-sh@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [v2] sh: Call paging_init() earlier in the init sequence To: John Paul Adrian Glaubitz , Oreoluwa Babatunde , linux-sh@vger.kernel.org, kernel-janitors@vger.kernel.org, kernel@quicinc.com, Rich Felker , Rob Herring , Yoshinori Sato Cc: LKML , Andrew Morton References: <20240423233150.74302-1-quic_obabatun@quicinc.com> <7dd171cc41474871408f06326aea5cb87923e454.camel@physik.fu-berlin.de> Content-Language: en-GB From: Markus Elfring In-Reply-To: <7dd171cc41474871408f06326aea5cb87923e454.camel@physik.fu-berlin.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:zRNMe9qrU5aJRpoCAfC5rz7EUjw5g56wfPskauKuNvH3ZMG5EEZ P8nP8/oqVw4ue8jYew8HIpRoghFb6hsUIi51KaduMss+ekyviVrdfraIlD2lN5ffL0bL8rC YbdAMzq6yiBptALvY8hMKpXQ2is5lA35FX76LL3M8qt4R7UA8FI+FEoRaf4BlDkXAplQ9dl mUCM7hqO/XHtIjBtEjY7w== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:QllExh7Fwoc=;bjfyI7DOEdkwOJ0LEZi2g3NyULL hKf7pVdwBQpHfkUeAIq+sGCyuhCZFB9oxhB+lEfwqiSCUPK5IwTDZ/4yBj5+PdCkhLe3/O0k0 ACbMfd4XSDcsQWLFm9faOre3A+4H3+AaluNhfviqTy2Bx1pPdc1Pkj/cE1W5VMO3td94e2Uo5 GiDogpomprcEyRT9DfqQJkblyrHAyVgI5KozmnfAd84y0553AwSlWAz5JnqRNyMNllCmib33I ZfMjEk378K/iFdzV1KnAY7sLkuilc7TWB/kqft4pQRZ3ufe5AiYyCmoJ7kKZEdZkjFQqPrlYE pIt2HmEHzWtWwh13yPNsJ1ZS3Mfl/gI9sJATaPlBKQjzVnmle/s1svJZT4s6UHULmeyWKsBkm wCNsqZ62PYQB25h11NYbWBNys/yeUBtmBVXOHlaYnTC32WkLniN6KEeVlzofTJoqBJ/Wr9G0A /l2MfMCj2HEZRfHXCpb3KJfwhSbYnRd6Dt93E6YF9Goc2Kf3oOg9ExdH++8SJKnBivguKI4sY aPhryC5XfXrpTDKwYfjdwpSPqnrFtsrtm1TKTlmukyLSVa1hS8g6DI0Z25ks0h5ZtuKfPyr6Q cvLAP0+eSvPJg45YtV+LarDmRgpPO6X9bIPYHFr82r+Pdn6h1obq8AgfXBAi0IMmNqrHcL7fh 6eJKdR3/0+oLSZLW8fzKcQ7J6JRqTiEi5MUvjCJue2ItvBzaTUOXs9hcVNEduaBtUhCjPkR7I VeEW4y5co+kMd5pd7g3Y9kYChZFMS1309aEOwlML7hkZFzinm7s8f74Dmq+17EMbGswumnmKQ 8w3ljYhjMjgZFygpClytMyLS7ncClPU0ocTBieZaGmOTk= >> =E2=80=A6 >>> Hence, move the call to paging_init() to be earlier in the init >>> sequence so that the reserved memory regions are set aside before any >>> allocations are done using memblock. >> =E2=80=A6 >> >> Will the tag =E2=80=9CFixes=E2=80=9D become relevant here? > > I'm not aware of any bugs that have been reported in this context. Can the mentioned questionable function call ordering be interpreted as a programming mistake? Regards, Markus