From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 9366F39935D for ; Mon, 30 Mar 2026 19:36:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774899394; cv=none; b=Pup/RzlGEllVzvqTqu95Bb3oHvNY0py9VMrRkN9eSv38aUYksnAPjJ2Zz7DlvxdW6vEWasdaRVkzj4WFXl0q6faoKL/CHs9xqdXXbf8N6ILiI0WwGcXYWg88sVzBjUNo28Wf1R05mxEep7Mm2o42bqdc5cAWl0DAH4TeSHzlTCs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774899394; c=relaxed/simple; bh=QJCB2ztXYmiTOWbY9KkOoxLTq08ZjXpH5XplFzxZy7E=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hDE8J4pqVjuC3Fv4lce7SHzvbL1B/UNqNOjMDrmeRR7OWvc18qSVK+z8KEq6/AgnaGXU+0r2oj8czSjW0Is2/lThX8Wn8BCRwGtpi0zarxXZQNOzeS1A3tZY8mnqdE5ZQuo8KpfjTyP7LzCKtl4kbxxwEveWYbNV6hw1/e9CemE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=lLGq/w8g; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="lLGq/w8g" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=EJOYWphVCW4ZuwInvaJZY0JTCsUIChw3psmlejkBRTo=; b=lLGq/w8gvhHjOt9+07PuTYR9Jo Pl8XNlGNMM8ZiqlwmcHNTSBRYfS1l4Tdwg+20f5nWC2ICsr+vat8+LbDzRbI1Fyyq0xoE28WpsMER SgVB+h+pe1N11OfuT858VObrMY6gvcGd3eR3isXGuACr4kEgFO3YjN/zlbwNKeTZDkzkaYwWYnCyR Mc+gjV3Hp6Wc7cqQkCIYWOSttW1TJnfEQwfdHFsIgS59E+cf07djoLm6THH3wCi1zjpQLohxgFiXg j6CihIDhDwp/XzZRwKqNMEh8xZn7l8km7KNvERkZsj4PmnMA8qeoc1GaWhEwyWGCYcOmKefaqLIxU Aymu7qew==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1w7IPT-0000000EbNt-2Rzu; Mon, 30 Mar 2026 19:36:27 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id CB6D030057E; Mon, 30 Mar 2026 21:36:25 +0200 (CEST) Date: Mon, 30 Mar 2026 21:36:25 +0200 From: Peter Zijlstra To: Borislav Petkov Cc: Mike Rapoport , x86@kernel.org, Bert Karwatzki , Dave Hansen , Ingo Molnar , "H. Peter Anvin" , Thomas Gleixner , linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86/alternative: delay freeing of smp_locks section Message-ID: <20260330193625.GF3558198@noisy.programming.kicks-ass.net> References: <20260328081634.797552-1-rppt@kernel.org> <20260328114118.GAace-Xu8bEKacpCtZ@fat_crate.local> <20260328195827.GCacgy44vl3_AUvhVr@fat_crate.local> <20260330174400.GEacq2YHnyomxVzXwp@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 Content-Disposition: inline In-Reply-To: <20260330174400.GEacq2YHnyomxVzXwp@fat_crate.local> On Mon, Mar 30, 2026 at 07:44:00PM +0200, Borislav Petkov wrote: > On Mon, Mar 30, 2026 at 08:16:32PM +0300, Mike Rapoport wrote: > > Since this fixes a fallout from memblock changes, I can take it together > > with them via memblock tree with Ack from x86 folks if you prefer. > > Sure, once you send me a patch with a proper explanation which I can ack... :) Another silly question; why not delete the whole SMP locks thing? I mean, who cares about UP these days?