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Linux 6.16 Will Be Able To Exit User Mode Faster: 2~11% Improvement
While the 'core/entry' changes for the Linux kernel merge window aren't typically too exciting to write about, there is a new optimization for all CPU architectures worth mentioning for the Linux 6.16 cycle.
"Testing was done with the byte-unixbench syscall benchmark (which calls getpid) and QEMU. The Intel bot also reported kernel test robot noticed a 1.9% improvement of stress-ng.seek.ops_per_sec" Not bad for a small patch and to just inline the code to better leverage compiler optimizations.
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