
Episode 8
Jon Masters
On this episode of On the Metal, we interview Jon Masters, computer architecture raconteur, microprocessor enfant terrible, and Patron Saint of Lost Computational Causes. Join us as we learn why Jon hates simultaneous multithreading, why he loves UEFI (?
January 20, 20201h 38m
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Show Notes
You can find Jon on Twitter at https://twitter.com/jonmasters.
Some of the highlights of the show include:
- "Negative Result: Reading Kernel Memory From User Mode" (blog post from July 2017): https://cyber.wtf/2017/07/28/negative-result-reading-kernel-memory-from-user-mode/
- Spectre: https://en.wikipedia.org/wiki/Spectre_(security_vulnerability)
- Meltdown: https://en.wikipedia.org/wiki/Meltdown_(security_vulnerability)
- Speculative execution: https://www.extremetech.com/computing/261792-what-is-speculative-execution
- ICL: https://en.wikipedia.org/wiki/International_Computers_Limited
- Hacker News front page, January 1st, 2018: https://news.ycombinator.com/front?day=2018-01-01
- Boogie Nights, the death of Little Bill: https://www.youtube.com/watch?v=JFX-qfYbHKg
- BBC Micro 6502: https://en.wikipedia.org/wiki/BBC_Micro
- BBC Master: https://en.wikipedia.org/wiki/BBC_Master
- Storage Wars: https://en.wikipedia.org/wiki/Storage_Wars
- PA-8000: https://en.wikipedia.org/wiki/PA-8000
- SPARCbook 3000ST: https://blog.adafruit.com/2019/04/01/sparcbook-3000st-the-coolest-90s-laptop-sparc-vintagecomputing-retrocomputing-eckmeister/
- Itanium: https://en.wikipedia.org/wiki/Itanium
- McKinley: https://en.wikipedia.org/wiki/List_of_Intel_Itanium_microprocessors#McKinley_(180_nm)
- Leon Czolgosz: https://en.wikipedia.org/wiki/Leon_Czolgosz
- Humartia: https://en.wikipedia.org/wiki/Hamartia
- Transmeta: https://en.wikipedia.org/wiki/Transmeta
- Transmeta Crusoe: https://en.wikipedia.org/wiki/Transmeta_Crusoe
- Richard (Dick) Sites: https://sites.google.com/site/dicksites/
- Dick Sites, "It's the Memory, Stupid!": http://cva.stanford.edu/classes/cs99s/papers/architects_look_to_future.pdf
- John Crawford: https://en.wikipedia.org/wiki/John_Crawford_(engineer)
- John Hennessy: https://en.wikipedia.org/wiki/John_L._Hennessy
- Kernel page-table isolation: https://en.wikipedia.org/wiki/Kernel_page-table_isolation
- Hot Chips 30 keynote: https://www.youtube.com/watch?v=d5XzVF0sAZo
- Panel at Hot Chips 30 keynote: https://www.youtube.com/watch?v=d5XzVF0sAZo#t=1h17m
- The Omega Directive: https://en.wikipedia.org/wiki/The_Omega_Directive
- L1TF: https://en.wikipedia.org/wiki/Foreshadow_(security_vulnerability)
- iDRACula: https://www.servethehome.com/idracula-vulnerability-impacts-millions-of-legacy-dell-emc-servers/
- MDS, including Zombieload and RIDL: https://en.wikipedia.org/wiki/Microarchitectural_Data_Sampling
- Heartbleed: https://en.wikipedia.org/wiki/Heartbleed
- Lazy FPU: https://en.wikipedia.org/wiki/Lazy_FP_state_restore
- Pentium FDIV bug: https://en.wikipedia.org/wiki/Pentium_FDIV_bug
- Pentium F00F bug: https://en.wikipedia.org/wiki/Pentium_F00F_bug
- Hyper-threading: https://en.wikipedia.org/wiki/Hyper-threading
- Acorn Archimedes: https://en.wikipedia.org/wiki/Acorn_Archimedes
- Acorn RISC machine: https://en.wikipedia.org/wiki/ARM_architecture
- RISC-V: https://en.wikipedia.org/wiki/RISC-V
- ARM Thumb: https://en.wikipedia.org/wiki/ARM_architecture#Thumb
- ARMv8: https://en.wikipedia.org/wiki/ARM_architecture#ARMv8-A
- Chris Celio et al., "Avoiding ISA Bloat with Macro-Op Fusion for RISC-V": https://arxiv.org/abs/1607.02318
- Chris Celio, "ISA Shootout": https://www.youtube.com/watch?v=Ii_pEXKKYUg
- BeagleBoard: https://en.wikipedia.org/wiki/BeagleBoard
- ARM Ares: https://en.wikichip.org/wiki/arm_holdings/microarchitectures/neoverse_n1
- SeaMicro: https://en.wikipedia.org/wiki/SeaMicro
- Calxeda: https://en.wikipedia.org/wiki/Calxeda
- AppliedMicro X-Gene: https://en.wikichip.org/wiki/apm/x-gene
- UEFI: https://en.wikipedia.org/wiki/Unified_Extensible_Firmware_Interface
- Broadcom Vulcan: https://en.wikichip.org/wiki/cavium/microarchitectures/vulcan
- Savaged by Systemd: An Erotic Unix Encounter by Michael Warren Lucas: https://www.goodreads.com/book/show/36190710-savaged-by-systemd
- Coreboot kexec'ing Linux: https://twitter.com/hugelgupf/status/1158466881373630464
- IOMMU: https://en.wikipedia.org/wiki/Input%E2%80%93output_memory_management_unit
- Slackware: https://en.wikipedi...
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