On 2019-02-13 10:35:53 [+0100], Borislav Petkov wrote: … > > + * > > + * If TIF_NEED_FPU_LOAD is cleared then CPU's FPU registers are holding the > > + * current content of current()'s FPU register state. > > "current content of current" - that's a lot of c... > > Make that > > "... then the CPU's FPU registers are mirrored in the current thread's > FPU registers state." Replaced `mirrored' with saved: + * If TIF_NEED_FPU_LOAD is cleared then the CPU's FPU registers are saved in + * the current thread's FPU registers state. + * If TIF_NEED_FPU_LOAD is set then CPU's FPU registers may not hold current()'s + * FPU registers. It is required to load the registers before returning to + * userland or using the content otherwise. Sebastian
