From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 BCEA62DEA7B; Sat, 19 Sep 2026 23:16:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789859804; cv=none; b=FaluamKwzBnnJ4iYosqQ11GhL/2oTj+tc2zGl2CexqVXm6eZVXD3I9qO1QbiuqhA1dQyEGiQdOUQlhSQDd/P8vxLOEahm9CcAxC9DzJxU9wRhPnvC+8ShFJopnXl4nvm9Db+FaQ0Lfc/6/otCHkQ42KCffYSSK/zsOExyiV6kzk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789859804; c=relaxed/simple; bh=EeaxHF1qYlp58g3MD1cXseZ0NqA6E1pGGpVQA666GZo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HRaEvlMxTwmXe3NMjsPiwYZzxJC4S4MXr8RP+l0Fx/rmTkHCwMJtbinYiuC0cYB2ukWl+sikmMmflQAEzyttiyLVBKLH/fa+9GFFe2bdZieHHUiBgOqiXfVHivOE3gPM9/SQeWup8VKpmr+ouzG5Agg13NfZ8w40dDusiwgnqOg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=O62iAsWc; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="O62iAsWc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 25F8F1F000FF; Sat, 19 Sep 2026 23:16:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789859803; bh=+2bApAD4zKwIrRUoeakVCrPn2bQflOxVnZ4qveW4Il0=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=O62iAsWcA3YBjuDFtICnSoKEOxfvuVByZAL31U+yZm/ZsK50Ju0al3DV6+3YQxyWc cEcVWOg9f2WQisqizTPB8j/p/NDxXUDNV4oe6IqemccqrHiOQsO/1JMSA7qk/VmK45 LKFaYrKINZ7qmXIfWmG3064Yowx4tbMB9gdM9CHJ5ybiFnHkOHQvi05xmCLOzdtL89 wa3+GtRQ4bg0tR5lBLpnPq9K7uxNm0r/GUUTkEkMdCEugG0AY4TwVA5ir/vOh5Ha3/ 3+rrjkPtuWiWFmuEAdatWmjgPrFX6XA0StXmJRHCwgvvF8MQ6Qb7eR5QtN56zrB9da amwUjZPuzP7zw== Date: Sat, 19 Sep 2026 16:16:41 -0700 From: Wei Liu To: Magnus Kulke Cc: Mukesh R , linux-hyperv@vger.kernel.org, Paolo Bonzini , Souradeep Chakrabarti , Wei Liu , Haiyang Zhang , Dexuan Cui , Magnus Kulke , Long Li , linux-arch@vger.kernel.org, "K. Y. Srinivasan" , Anirudh Rayabharam , Arnd Bergmann , linux-kernel@vger.kernel.org, Wei Liu Subject: Re: [PATCH v3] drivers/hv: remove deposited pages from direct map Message-ID: <20260919231641.GE1008213@liuwe-devbox-debian-v2.local> References: <20260917201052.2123701-1-magnuskulke@linux.microsoft.com> 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: On Fri, Sep 18, 2026 at 12:48:29PM +0200, Magnus Kulke wrote: > On Thu, Sep 17, 2026 at 05:23:15PM -0700, Mukesh R wrote: > > On 9/17/26 13:10, Magnus Kulke wrote: > > > > FYI: > > > > https://lore.kernel.org/linux-hyperv/20260912000318.2959621-1-mrathor@linux.microsoft.com/ > > > > Thanks, > > -Mukesh > > > > > > Thanks, the change to a larger single page makes sense. I assume we > would still be susceptible to a #GP once the kernel steps into it? > > Since this is addressing acute crashes on L1VH, it would be good to > merge a fix first IMO. it can then be easily cherrypicked into > backports or distro-kernels. > I think we should get a fix that's easy to backport committed first. Wei > Or would you rather see the problem addressed as part of in your > deposit-pages refactoring? > > best, > > magnus