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This is using Thunderbolt networking as transport, which incurs a bit of overhead. But starting with the upcoming Linux v7.2, there's a new feature called USB4STREAM to use raw Thu…

Fun fact (or not so fun if you're a subscriber): Somebody is spamming kernel mailing lists under the name Marian Corcodel with a 26 MByte message multiple times per day containing …

As Eric has correctly stated above, we believe iwd (Intel Wireless Daemon), or rather the ell library it relies on (Embedded Linux Library) is the only relatively widespread user s…

> the kernel's implementation of RSA isn't hardened against timing attacks Cloudflare is using custom BoringSSL-based crypto code in the kernel: https://lore.kernel.org/all/CALrw=n…

It does enable address space separation of secret keys from user space, which some people love: https://blog.cloudflare.com/the-linux-kernel-key-retention-s... https://www.youtube.…

NTB = Non-Transparent Bridge DW = DesignWare

Some of the sites that went online around 1994 are still there: https://north.pole.org/ https://town.hall.org/ I believe Carl Malamud (Internet Multicasting Service) was behind the…

"They Were There" https://www.youtube.com/watch?v=MmVCePfMXAU

If you need a lot of RAM, usually you need to buy servers with multiple CPUs to which you can attach the memory. Because the amount of DRAM you can attach to one CPU is limited. If…

The original Raspberry Pi SoC (BCM2835) is ARMv6 with VFP2 Hard Float support. Debian's "arm" architecture is ARMv7 with VFP3. It doesn't support BCM2835. Debian's "armel" architec…

The point here is likely to pull the rug out from under scalpers' feet. With the Raspberry Pi 5 out in two weeks, all the held-back inventory of older models will be dumped, prices…

A lot of RISC CPU arches which were popular in the 1990's declined because their promulgators stopped investments and bet on switching to IA64 instead. Around the year 2000, VLIW w…

The PCI resource allocation code is fairly intricate and everyone is scared that changing it may cause regressions. Sergei's patch set is quite intrusive and it would be necessary …

You'd be surprised. Here's an article I wrote on the modernization of PCIe hotplug in Linux: https://lwn.net/Articles/767885/

Thunderbolt devices appear in the OS as a PCIe switch, so you need two additional bus numbers (one for the Switch Upstream Port and one for the Switch Downstream Port). If the devi…

Filed chapter 11 twice. Bad management made the wrong bet, thought Itanium and Windows would take over the world. But what really broke all UNIX workstation manufacturers' backs wa…

There's a series currently under discussion which failed CI: https://lore.kernel.org/intel-gfx/20211214140301.520464-1-bi... Plus 13 patches over the past years (not counting merge…

> This was the first time that I was aware of Apple had shipped a little Endian processor. FWIW, the LaserWriter 16/600 PS (introduced 1994) uses an Intel 80168 as I/O processor fo…

A heartfelt thank you Cameron, TenFourFox has kept my Pismo 7410/550 alive and useful for another ten years after Camino's sad demise. I've gotten so used to the regular TenFourFox…

Wayne Goodrich was fired by Apple shortly after Steve's death and subsequently sued the company: https://www.latimes.com/business/la-xpm-2012-aug-21-la-fi-tn...

That is a fantastic showcase how to respond to negative criticism in a friendly, constructive and polite manner. Good work, Jason.

XDC 2018 - Lyude Paul & Alyssa Rosenzweig - Introducing Panfrost https://www.youtube.com/watch?v=qtt2Y7XZS3k

I've you want to learn even more, take a look at Documentation/memory-barriers.txt in the Linux kernel source tree: https://www.kernel.org/doc/html/latest/staging/index.html#me...