Roland McGrath wrote:
It's indeed true that &pt_regs is truly the esp value for x86-32
kernel-mode trap frames. Because this nonobvious calculation is
only right for a kernel mode pt_regs and not for a user-mode one,
I think it would be better to use a name for the inline/macro that
makes this quite clear, rather than one so generic as "stack_addr".
Indeed. This was certainly highly nonobvious in the current code.
-hpa
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