Re: [PATCH v4 22/22] x86/fpu/xstate: Introduce boot-parameters to control state component support

[Borislav Petkov]

On Fri, Mar 26, 2021 at 01:53:47PM -0400, Len Brown wrote:
> At Dave's suggestion, we had a 64 *KB* sanity check on this path.
> Boris forced us to remove it, because we could not tell him
> how we chose the number 64.

The only 64 I can remember is

#define XSTATE_BUFFER_MAX_BYTES              (64 * 1024)

What does an arbitrary number have to do with signal handling and
pushing a fat frame on the sigaltstack?

-- 
Regards/Gruss,
    Boris.

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