From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8308CC5CFCF for ; Tue, 11 Aug 2026 11:32:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Type:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To :Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=X0GaSqrZjtJqni0HehADXGcZDJyuXMD/e6cLg2mh/9A=; b=Vo7T0mwK1jrQ7VGK3+GxrtsaXM 82/5mbLSDhpITkpBoBuxw2UW8ZhsTzyi8m/3G75bBcuPiaD1tenz/l68jZE1ZoUFDb2FIM5CQ9O// AgYMgp5K7MfFCx5Y+LNuC5bDSJDy+azOwrvcXKqX15hlvyuLAsnJPwd/zOUOgZcx16sYp0Bg3fqTA mx05p0bt3JcUKvh+iv5r80r4fDx252zkpALZ4I5YKFZcW5BsoCG1uSfyrx2RxcX2IwWe6WR4HvBi6 kZuyB7aV3930RGS2plUIdVBWDhoOJhpE/jNc/LZaAw2/0Jtil6pK1HBY71gu+Xc7nnSaKwcboR+In To/kMpbA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtkil-0000000Dw8z-26Xd; Tue, 11 Aug 2026 11:32:39 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wtkik-0000000Dw8p-1VWR for linux-arm-kernel@lists.infradead.org; Tue, 11 Aug 2026 11:32:38 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 76A63600AE; Tue, 11 Aug 2026 11:32:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C891B1F000E9; Tue, 11 Aug 2026 11:32:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786447957; bh=X0GaSqrZjtJqni0HehADXGcZDJyuXMD/e6cLg2mh/9A=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=FtZ0oRpTL48XZfZhHGIv1UGjYWqM7t8ZFXbwi+t04l/Ngs9bTm4Sce5R5RXkFBzxf NGjiSH1xC3S+505KU0Rj/TaF3P/YYKWJL+kr4PEYTcCiy3XujX8IzNEC7I5oXMad1r Dzemzunpf9jz4kg4Ju5iNHtrEYQpxZvWlL8e3LBzPvS2xyWIIR3c2msUbt3lhQgM7n YslsI0550zUp9fsfdb5NU5WVuPP0Ce+3e9u3QjgkMnoHPuQ13s9Tl1AI5UN+Gvescz GY2r8XSrgQNyegodcJ4PH7oV53TUBp8xPvuLWY0hv9Y6zMc0TabXOrzPh20scRZvBD sYdV8sWKbX2zA== Date: Tue, 11 Aug 2026 12:32:31 +0100 From: Will Deacon To: Vladimir Murzin Subject: Re: [PATCH RFC] arm64: entry: PSTATE_I_SET is leaking on pseudo NMI mode Message-ID: References: <20260807-arm64_fix-v1-1-d069ccf9d71b@debian.org> <2a97f777-d33a-4b3d-8c8c-6f6894f04c29@arm.com> <9b06f274-8db1-48e4-839e-e387c050d328@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9b06f274-8db1-48e4-839e-e387c050d328@arm.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , rmikey@meta.com, "Peter Zijlstra \(Intel\)" , Catalin Marinas , Jinjie Ruan , kernel-team@meta.com, linux-kernel@vger.kernel.org, Breno Leitao , bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Aug 10, 2026 at 05:39:52PM +0100, Vladimir Murzin wrote: > On 8/10/26 16:05, Will Deacon wrote: > > So we could probably hack something as you suggest, but maybe the best > > option is to take patches 8 and 9 from your FEAT_NMI series? WDYT? > > > > Whatever you prefer, tbh :) > > Patch 9 codifies my understanding of how things are expected to > work. That said, I accept that I could be missing something, hence the > RFC tag. Those two look fine to me and I already took the preceding changes. > In case you decide to take it, we probably need to: > > - extend the commit message to cover Breno's report (right now, the > commit message makes it look like a refactoring) > > - add Fixes tags if we want it to be backported > > Alternatively, I can respin the patch separately with the suggestions > above applied - just let me know ;) Lemme have a go at picking them up... I'll yell if it all goes horribly wrong! Will