Fernando Meyer fmeyer

Secure Data Transfer Model Overview

The session covers the basics of the Input/Output Memory Management Unit (IOMMU) and virtual IOMMU, and why there is a need for a new secure data transfer model.
The IOMMU is a hardware unit that handles I/O translation and device isolation. A virtual IOMMU acts like a real one.

The current data transfer model involves exposing the entire guest memory address space to the driver, which could potentially be exploited by malicious programs.

export OPT=/opt
export BUILDS=/some/where/mini_linux
mkdir -p $BUILDS

The journal "Nature" published a cover story about a holographic wormhole created inside a quantum computer, sparking a flurry of tweets and news headlines.
No wormhole has been observed or produced.
The wormhole is a mathematical representation within a quantum computer.
The story exaggerated the creation of a wormhole and the capabilities of quantum computers.
This incident is an example of bad communication within the scientific community.

A year ago, OpenAI launched ChatGPT as a "low-key research preview".
In March, they launched GPT-4, the most capable model in the world.
They have since launched voice and vision capabilities for ChatGPT.
DALL-E 3, the world's most advanced image model was recently launched.
For enterprise customers, they launched ChatGPT Enterprise with increased security, privacy, and speed.
OpenAI has around 2 million developers building on their API and about a hundred million weekly active users on ChatGPT.

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I hereby claim:

To claim this, I am signing this object:

	#declare FrameNumber = clock; // clock ranges from 0 to 1

	camera {
	location <FrameNumber * 10, FrameNumber * 10, -20>
	look_at <0, 0, 0>
	angle 60 // Adjust the field of view, larger means wider field of view.
	}

	// Light source
	light_source {

	// Copyright 2015 The Go Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style
	// license that can be found in the LICENSE file.

	package main

	// This program produced false race reports when run under the C/C++
	// ThreadSanitizer, as it did not understand the synchronization in
	// the Go code.


	##### ../misc/cgo/testsanitizers
	--- FAIL: TestShared (0.03s)
	--- FAIL: TestShared/tsan_shared (2.19s)
	cshared_test.go:71: `/tmp/TestShared464897178/tsan_shared` exited with exit status 66
	==================
	WARNING: ThreadSanitizer: data race (pid=146300)
	Write of size 8 at 0x7fc3bfc95c10 by thread T1:
	#0 pthread_attr_getstacksize <null> (tsan_shared+0x00000041d5c2)
	#1 x_cgo_init <null> (libtsan_shared.so+0x000000098a15)

	<center>
	{{ if .IsNamedParams }}
	{{- $site := .Get "site" -}}
	{{- $name := .Get "name" -}}

	{{- $domains := split $site "," -}}
	{{- $domains := apply $domains "printf" "site:%s" "." -}}
	{{- $domains := delimit $domains " \|\| " -}}
	{{- $domains := printf " ( %s )" $domains -}}