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 ACD271DE3C5 for ; Wed, 19 Mar 2025 18:34:42 +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=1742409282; cv=none; b=RxTF2xw+Qgk1AV6Jec1N+EotLwAntOPw7KOzloDbgDLG02koin+kV+o8alRNKJW2gcopswn9xXW2miH5XDoOUzshSv0nTfA1kpPBqtPx6IPmvWe/BL+voM8dfjfB8Kt9pQbz7M+RjCDFRcGFHhiI4P5W//DYl1joA0ojI95185U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742409282; c=relaxed/simple; bh=xDfGRUZsi+JftF2gYF7AxXEZtOiVOHijZyRdmOM/rVk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NEkGE1g0iDcntwC1yn+JqZ508PArsi0ctyCJPklDNW4BCpDKxwx8IxG6MljNWF8sBSQxhfu4VdsKD93T+e9BXrAKOG70ooInSX58QGTU4j1TVfps69grJ16ygjhlxlNJ+VhZ4H/bPPpWmEwYz7RYMyTGMfiexKbSqzixZwjBF/0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rOd7eBGc; 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="rOd7eBGc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4342C4CEE4; Wed, 19 Mar 2025 18:34:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742409282; bh=xDfGRUZsi+JftF2gYF7AxXEZtOiVOHijZyRdmOM/rVk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rOd7eBGcDMNMOAavrN1qw+9HCE2pVCRYbEcnyeKrs9TQUOpSHKDMFPbqv4ga+zGPT 5/+r8oqPEPHVTT6qewpSV2s7BSrUB7YNisTys/U9dEdvGCBMU42/gdM5umrtKeTynG d8mpN3Pcqv7KszhD+xKFul4AW6gQlTCGd/tAoe0q3vOg46dr4uueIoOYgVNmfw1Q/j 8YcSlkroEDBWTf5v5j0Yr2CUx1sI+8rof9FwVnLcgz7+V63JlzUHmV01ZBYIBTKjYt nfkz1d98p59JyAYHpX4gIe0sQyrlv7GEeAdhTTKQOLj95oqnRXKH10sDv5z7sGU4+u /4oPMdvcBGVJA== Date: Wed, 19 Mar 2025 12:34:39 -0600 From: Keith Busch To: Alex Williamson Cc: Keith Busch , kvm@vger.kernel.org Subject: Re: [PATCH] vfio/type1: conditional rescheduling while pinning Message-ID: References: <20250312225255.617869-1-kbusch@meta.com> <20250317154417.7503c094.alex.williamson@redhat.com> <20250317165347.269621e5.alex.williamson@redhat.com> <20250319121704.7744c73e.alex.williamson@redhat.com> Precedence: bulk X-Mailing-List: kvm@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: <20250319121704.7744c73e.alex.williamson@redhat.com> On Wed, Mar 19, 2025 at 12:17:04PM -0600, Alex Williamson wrote: > Since you mention folding in the changes, are you working on an upstream > kernel or a downstream backport? Huge pfnmap support was added in > v6.12 via [1]. Without that you'd never see better than a order-a > fault. I hope that's it because with all the kernel pieces in place it > should "Just work". Thanks, Yep, this is a backport to 6.11, and I included that series. There were a few extra patches outside it needed to port that far back, but nothing difficult. Anyway since my last email, things are looking more successful now. We changed a few things in both user and kernel side, so we're just doing more tests to confirm what part was the necessary change.