If you’ve been following recent developments in the Linux kernel or high-performance runtime environments, you may have come across the term (often appearing in the context of fpstate reworks and Variable State Objects).
: Essential for creating professional user interfaces where specific sub-VIs need to pop up or stay hidden from the operator during execution. 🎖️ Option 2: Veteran Services (VSO)
struct fpstate unsigned int size; unsigned int user_size; u64 xfeatures; u64 user_xfeatures; u64 xfd; unsigned int is_valloc; unsigned int is_guest; unsigned int is_confidential; unsigned int in_use; union fpregs_state regs; ; fpstate vso
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Floating-point API - The Linux Kernel documentation
// Optionally, a tool could modify the fpState here... // PIN_SetContextFPState(ctx, &fpState); // to apply changes If you’ve been following recent developments in the
It is important to distinguish who a VSO works for, as they are :
: fpstate is often a pointer in a ucontext_t or sigcontext structure used during signal returns ( sigreturn ) to restore register values. This link or copies made by others cannot be deleted
: It is a data structure used to save and restore the registers of the Floating Point Unit (FPU) during context switches. : Systems like NetBSD or Linux use structures such as