Thanks for the info. I submit a pull request to remove it.

Ian Lance Taylor <i...@golang.org> 于2022年11月5日周六 06:01写道:

> On Thu, Nov 3, 2022 at 7:46 AM liiux...@gmail.com <liiuxue...@gmail.com>
> wrote:
> >
> > asm_amd64.s
> >
> > Please explain why 104 should be subtracted from g0 stack?
>
> Interesting question.  The number 104 appears to date back to the
> first implementation of split stacks in
> https://go.googlesource.com/go/+/b987f7a757f53f460973622a36eebb696f9b5060.
> That change introduces a 104 byte stack guard, and I believe that that
> stack guard has been carried forward over the years.  I don't really
> know whether it still makes any sense today.  Probably it doesn't.
>
> Ian
>

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