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X-IronPort-AV: E=McAfee;i="6500,9779,10603"; a="307451019" X-IronPort-AV: E=Sophos;i="5.97,251,1669104000"; d="scan'208";a="307451019" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2023 07:22:01 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10603"; a="805851452" X-IronPort-AV: E=Sophos;i="5.97,251,1669104000"; d="scan'208";a="805851452" Received: from ctle2-mobl.amr.corp.intel.com (HELO [10.212.175.209]) ([10.212.175.209]) by fmsmga001-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2023 07:22:01 -0800 Message-ID: <98892326-816b-7da8-df38-602e886c4de0@intel.com> Date: Fri, 27 Jan 2023 07:22:01 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: x86/pkeys in early kernel version Content-Language: en-US To: Jeff Xu Cc: linux-mm@kvack.org, =?UTF-8?Q?Stephen_R=c3=b6ttger?= , "tglx@linutronix.de" , Jorge Lucangeli Obes , Kees Cook References: From: Dave Hansen In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: BE5621A0014 X-Stat-Signature: j7oijaew916ydh38qnm6b1opjtg9nqwb X-HE-Tag: 1674832927-992109 X-HE-Meta: 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 yWIKvXJw 38q8U1yDoNZQyaqUYv1ZiBows+jNhiRbDgwhmbl7b9X5ycPlyg+1VV3F+a1niCWo0bWwOEgVFnXQ55vxc+vccrgBbE4cvar9yFKWEM3JfiLKNPn0WD5LEQs9LA761kl+3VTKiY8ID7J3CungdnN0oly/eMvNvan937gie9T8l0iU5V02tdL6g4VUjFmW3bblR9fcQTfVTMZvsLrM= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 1/25/23 17:43, Jeff Xu wrote: > My question is, if I have to pick a version that doesn't require a > lot of backporting, and functionality is stable enough, what version > would this be ? 5.4/5.10/5.15 ? Virtually all bugs get fixed in mainline first and then backported to wherever... sometimes. If you want the most bug-free kernel, go as close to upstream as possible.