From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 16730145A17; Fri, 29 Nov 2024 15:37:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732894629; cv=none; b=XSOkd75uJ3t/fkvyxYckZqq0hVrbskZvhuLEVjPukhNLOFx5soQKgWdyDR/GrNNCZnAQ5MqS18qkmsg20josqacDsi83DOJqrvKNwDXpp0u5kk0y+OJk5rwPELo7UUqPxe6vJd73JpVR8hIIHUD1kd0J+javD1XTklEwA+Cd44Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732894629; c=relaxed/simple; bh=iZjwFTEk+pFpApbK1/Pl81mH5NE6tyJhyWcbEVWo/Wc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JlY7R5rBH+lDr0dvi3pEr0eIvYMktYWZ/RuUJnrpucOeqe7oxfBY0/sEoitTxRE/1RBt5LmgKgxlj8t3+hgZszH7m/0VlfEoulksOYyVjncD8t5YxSbEj5lOF3A7aeUWKJQeH+mfLcCaJKIAwYMS5Jt18Fu413PIUwpv6NqVuY4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZcKx9onu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZcKx9onu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4E0D8C4CECF; Fri, 29 Nov 2024 15:37:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732894628; bh=iZjwFTEk+pFpApbK1/Pl81mH5NE6tyJhyWcbEVWo/Wc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZcKx9onu0sISrxdGUJgJJkCsKD4imjP8AOqm0N1Vx/06QYFctaccO63OIHKWhiNLU qttpgUTypnFuq+/SKo7BotduYh4taxcav7DZybFBSbiBUzXyovwrKx6tnhIhf18myr kn6IUS5rF9qvw0aGzBPGKQyY54r7zVcLtVcSpXyqI+eG1uzfsabsLvn44UqmQGTu/O SltkGg/Smj24X29lgWGFgjUIh6O7pra6X+w/tfY8WVJ8v1kYH7KCZ5XfDzIE8TbKa0 mMUi7Z2jPOrkLxOMDGAJVthQxr/TKBs9FTmEGRhIefedEcRoP0L/fS6LPbP27NJka4 r++JE6xYj60Dg== Date: Fri, 29 Nov 2024 10:37:06 -0500 From: Sasha Levin To: Borislav Petkov Cc: Erwan Velu , linux-kernel@vger.kernel.org, stable@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, puwen@hygon.cn, seanjc@google.com, kim.phillips@amd.com, jmattson@google.com, babu.moger@amd.com, peterz@infradead.org, rick.p.edgecombe@intel.com, brgerst@gmail.com, ashok.raj@intel.com, mjguzik@gmail.com, jpoimboe@kernel.org, nik.borisov@suse.com, aik@amd.com, vegard.nossum@oracle.com, daniel.sneddon@linux.intel.com, acdunlap@google.com, pavel@denx.de Subject: Re: [PATCH AUTOSEL 5.15 11/12] x86/barrier: Do not serialize MSR accesses on AMD Message-ID: References: <20240115232718.209642-1-sashal@kernel.org> <20240115232718.209642-11-sashal@kernel.org> <20241128115924.GAZ0hbHKsbtCixVqAe@fat_crate.local> <20241128164310.GCZ0idnhjpAV6wFWm6@fat_crate.local> <20241129133310.GDZ0nClg7mDbFaqxft@fat_crate.local> 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; format=flowed Content-Disposition: inline In-Reply-To: <20241129133310.GDZ0nClg7mDbFaqxft@fat_crate.local> On Fri, Nov 29, 2024 at 02:33:10PM +0100, Borislav Petkov wrote: >On Fri, Nov 29, 2024 at 10:30:11AM +0100, Erwan Velu wrote: >> We all know how difficult it is to maintain kernels and support the hard >> work you do on this. It's also up to us, the users & industry, to give >> feedback and testing around this type of story. It could probably be >> interesting to have a presentation around this at KernelRecipes ;) Or LPC? I don't usually end up attending KR but Greg is always there :) >Yes, absolutely. > >And you should reserve a whole slot of 1h after it for discussion. Because all >the folks using stable kernels or doing backports will definitely have >experience and thoughts to share... who knows, might improve the proces in the >end. If there are enough folks who are interested in a BoF session I'm happy to help set it up for LPC. -- Thanks, Sasha