On Mon, Mar 25, 2024, at 07:40, Adrian Hunter wrote: > > Extend the facility also to VDSO, dependent on new config option > GENERIC_VDSO_OVERFLOW_PROTECT which is selected by x86 only, so other > architectures are not affected. The result is a calculation that has > similar performance as before. Most machines showed performance benefit, > except Skylake-based hardware such as Intel Kaby Lake which was seen <1% > worse. I've read through the series, and this pretty much all makes sense, nice work! There are a few patches that just rearrange the local variable declarations to save a few lines, and I don't see those as an improvement, but they also don't hurt aside from distracting slightly from the real changes. Arnd