RE: [patch] x86: ptrace and core-dump extensions for xstate

[Lu, Hongjiu]

> > That is how processor works.
> 
> We're not talking about the processor.
> We're talking about the API of a Linux system call.
> 
> 

To support XSAVE, gdb needs to know XCR0 as well as XSTATE size.
We can get those info from kernel via system call or cpuid. I
prefer cpuid over system call.


H.J.
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