Open-source News

Linux 5.19 To "Make Life Miserable" In Slowing Down Bad Behaving Split-Lock Apps

Phoronix - Tue, 05/24/2022 - 07:37
Back in 2020 Intel engineers working on the Linux kernel added split lock detection to provide a warning when an atomic operation spans multiple cache lines and requires a global bus lock for atomicity. A warning is now deemed not useful enough so instead the intent moving forward is to "make life miserable" for such misbehaving user-space applications by slowing down the performance with hopes of the app developers better handling their code...

PHP 8.2 Performance Continues Moving In The Right Direction

Phoronix - Tue, 05/24/2022 - 03:00
If release trends hold, we should be roughly half-way through the PHP 8.2 development cycle with the annual feature releases normally out toward the end of November. Given that, this weekend I decided to try out the state of PHP 8.2 Git and carry out some early benchmarks to get an idea where things are headed...

Virtual m68k Machine Proves Capable, Xtensa & C-SKY Archs See Updates Too

Phoronix - Tue, 05/24/2022 - 01:36
The Motorola 68000, Xtensa, and C-SKY processor architectures all saw notable additions for the in-development Linux 5.19 kernel...

Linux 5.19 Adding New Option For Easily Configuring An x86_64 Debug Kernel

Phoronix - Tue, 05/24/2022 - 00:00
The Linux 5.19 kernel is adding a new make x86_debug.config build target as a set of defaults in enabling a variety of recommended debugging features for x86/x86_64 kernel builds...

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