From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 966AB381E96; Thu, 2 Jul 2026 16:36:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783010194; cv=none; b=qUrWYWCc+FrCxJ2mwKUgn/fZS6tNNv0NFk2aPQ4MaNqPLW4RW+lyw3PmsQuWXQDm/YblkLz1j3xkofW+NdUELGMxabLRcPjsZS4FF0wFoeGLSIvGS33bMZnyG2nujYfq8HEzmFes+4T126JbujifL4L9dfiCeBSvlAVcWr7+/jo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783010194; c=relaxed/simple; bh=78NieMts7dNfZ0Fpn7sdTLpybzQQCzx3zTLO2Xi93mQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AlO4fOOkkSP91qq3QLMfwGmyFlDpmqyCQqiM0eiMIg+/xgdSf3idT6qG8ray4nDOOB0DuREeRt2oancl9/OjuRAv55yWb4lMxUab/LS0bVE4BI2NuX82Yt/3Ij32J6nzx+IvZrgDPetQTzKGsbzKEYU7hCnDQWF7zhF9aX1B1bw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=GsG4M3zR; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="GsG4M3zR" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A4384359D; Thu, 2 Jul 2026 09:36:25 -0700 (PDT) Received: from e140010.arm.com (e140010.arm.com [10.2.213.25]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 22C503F673; Thu, 2 Jul 2026 09:36:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1783010190; bh=78NieMts7dNfZ0Fpn7sdTLpybzQQCzx3zTLO2Xi93mQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GsG4M3zRo/pRDPVrznxhOeGH7mnfay08nXoqAV9EAACSLkAt/mwAdMCg/XxSWuyKO Mvwkp4z0ddTz9gfGJ9Fx2/4Q3hbumtjlKl0epHHgpJ8Mju/rbIFQrxrt32nRVuun/P FWRkY9Z1PxE/DYSLdZ3rJNyzxeTBrXK2TF4YUKTg= Date: Thu, 2 Jul 2026 17:36:24 +0100 From: Alexandru Elisei To: Jack Thomson Cc: maz@kernel.org, oupton@kernel.org, pbonzini@redhat.com, joey.gouly@arm.com, seiden@linux.ibm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org, shuah@kernel.org, corbet@lwn.net, vladimir.murzin@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-doc@vger.kernel.org, isaku.yamahata@intel.com, Jack Thomson Subject: Re: [PATCH v5 0/5] KVM: arm64: Add KVM_PRE_FAULT_MEMORY support Message-ID: References: <20260612162354.73378-1-jackabt.amazon@gmail.com_quarantine> 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: <20260612162354.73378-1-jackabt.amazon@gmail.com_quarantine> Hi, On Fri, Jun 12, 2026 at 05:23:48PM +0100, Jack Thomson wrote: > From: Jack Thomson > > Hi, > > This series adds arm64 support for KVM_PRE_FAULT_MEMORY, which was added > for x86 in [1]. The ioctl allows userspace to populate stage-2 mappings > before running a vCPU, reducing the number of stage-2 faults taken in > the run path. This is useful for post-copy migration, where stage-2 > fault latency shows up directly in memory-intensive workloads. > > .. > > base-commit: 98f826f3c500fda08d51fca434b7aefa6a2f7076 I want to review and test the series, but I cannot seem to find the base commit in the master branch: $ git show --oneline 87320be9f0d2 (HEAD -> master, origin/master, origin/HEAD) Merge tag 'net-7.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net $ git show 98f826f3c500fda08d51fca434b7aefa6a2 fatal: ambiguous argument '98f826f3c500fda08d51fca434b7aefa6a2': unknown revision or path not in the working tree. Thanks, Alex