Re: [PATCH 4/8] x86/fpu: Remove the thread::fpu pointer
From: Ingo Molnar
Date: Thu Apr 10 2025 - 06:51:44 EST
* Ingo Molnar <mingo@xxxxxxxxxx> wrote:
> BTW., Oleg suggested in a previous discussion for us to replace the
> task->thread.fpu pointer with a build-time calculation - but I'm
> still not sure it's a good idea.
Actually, I've implemented that already:
arch/x86/include/asm/processor.h:# define x86_task_fpu(task) ((struct fpu *)((void *)(task) + sizeof(*(task))))
... then promptly forgot about it. So never mind me. :-)
Thanks,
Ingo