Re: kern/58225 - netbsd9/amd64 requires COMPAT_16 for 32bit support (fwd)

[gnats-admin%netbsd.org@localhost]

The following reply was made to PR kern/58225; it has been noted by GNATS.

From: Paul Goyette <paul%whooppee.com@localhost>
To: Jason Thorpe <thorpej%me.com@localhost>
Cc: Jason Thorpe <thorpej%netbsd.org@localhost>, mlelstv%netbsd.org@localhost, martin%netsd.org@localhost, 
    gnats-bugs%netbsd.org@localhost
Subject: Re: kern/58225 - netbsd9/amd64 requires COMPAT_16 for 32bit support
 (fwd)
Date: Sat, 24 Aug 2024 08:15:24 -0700 (PDT)

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 On Sat, 24 Aug 2024, Jason Thorpe wrote:
 
 >
 >
 >> On Aug 22, 2024, at 7:09=E2=80=AFPM, Paul Goyette <paul%whooppee.com@localhost> wr=
 ote:
 >>
 >> Can you look into this please?
 >
 > Looking.  Note the only reason I made the changes in the first place=20
 > is because COMPAT_NETBSD32 signal delivery was already a complicated=20
 > broken mess (and the changes addressed a reported bug).  Sure, more=20
 > modules might get loaded now, but at least signal delivery works.
 >
 > TBH, I don't get what the big deal is here.  The NETBSD32 version is=20
 > doing basically what the non-NETBSD32 version is doing: that is, if=20
 > the process says is uses the old "sigcontext" type of trampoline,=20
 > it auto-loads the compat_16 module.  And it's been doing that ever=20
 > since 2019 when *you* made that change.
 
 Hmmm, so it is.  Boy, the signal delivery stuff is such a mess.   :-)
 
 Perhaps mlelstv@ or martin@ have further suggestions?
 
 
 +---------------------+--------------------------+----------------------+
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