Re: kern/50602: removing ethernet cable panics the kernel

[mlelstv%serpens.de@localhost (Michael van Elst)]

The following reply was made to PR kern/50602; it has been noted by GNATS.

From: mlelstv%serpens.de@localhost (Michael van Elst)
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/50602: removing ethernet cable panics the kernel
Date: Mon, 4 Jan 2016 07:09:51 +0000 (UTC)

 ozaki-r%netbsd.org@localhost (Ryota Ozaki) writes:
 
 >I remember that riastradh suggested me that we don't need the
 >ifdef for kvm(3). IIUC, the added variables aren't accessed
 >by kvm(3) so that we don't need to hide them to userland.
 
 >I'd remove it if nobody objects.
 
 The point is that the structure to userland must not change
 without adding appropriate compatibility code.
 
 But since the added variables are only accessed by the kernel
 the simple solution is to put them inside #ifdef _KERNEL
 as it was already done for the if_slowtimo_ch variable.
 
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                                 Michael van Elst
 Internet: mlelstv%serpens.de@localhost
                                 "A potential Snark may lurk in every tree."