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cpu.land | ||
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dayzerosec.com
Over the last year or so, I've been working with the OpenOrbis team to develop a toolchain for building homebrew for the PS4, and one of the challenges we faced was porting a proper libc to the console. This article dives into some of the interesting lessons learned while porting MUSL to the PS4. |
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blog.codingconfessions.com
An explanation of how Linux handles system calls on x86-64 and why they show up as expensive operations in performance profiles |
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krinkinmu.github.io
I'm continuing my exploration of the AArch64 architecture and this time I will touch on the AArch64 priviledge levels. Note that AArch64 priviledge model is not exactly the same as the previous iterations of ARM. While there are plenty of similarities, and there is a level of backward compatibility, at the same time, there are some differences as well. So do not assume that things covered here will work the same way for all ARMs. Finally, I assume that you're familiar with general GNU Assembler synatax or willing to figure things out as you go. Familiarity with ARM assmebly language will help, though I try to explain all the things I use. As always the code is available on GitHub. |
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lwn.net
In his linux.conf.au 2017 talk [YouTube] on the eBPF in-kernel virtual machine, Brendan Gregg p [...] |
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