Re: [PATCH v4 22/22] x86/fpu/xstate: Introduce boot-parameters to control state component support
From: Borislav Petkov <bp@alien8.de>
Date: 2021-03-26 18:18:03
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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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