Re: Build error when crypto and swcrypto are omitted from kernel

[Paul Goyette <paul%whooppee.com@localhost>]

On Sun, 10 May 2020, Michael van Elst wrote:

> On Sun, May 10, 2020 at 08:46:30AM -0700, Paul Goyette wrote:
> > > Here is a patch that makes encrypted swap (but not rijndael) optional:
> > >
> > > http://ftp.netbsd.org/pub/NetBSD/misc/mlelstv/uvm_swap.diff
> >
> > That looks good to me, too.  I guess you should also add VM_SWAPCRYPT option
> > to various kernels (GENERIC*, XEN3*, ...)?
>
> It's a default option in sys/conf/std. Individual kernels can disable it
> with 'no options VMSWAPCRYPT'.

Yeah, found that.

FWIW, here's an additional patch to update the options(4) man page:

Index: share/man/man4/options.4
===================================================================
RCS file: /cvsroot/src/share/man/man4/options.4,v
retrieving revision 1.512
diff -u -p -r1.512 options.4
--- share/man/man4/options.4    24 Apr 2020 13:54:56 -0000      1.512
+++ share/man/man4/options.4    10 May 2020 17:11:27 -0000
@@ -2221,6 +2221,9 @@ for port specific details including avai
 .It Cd options VMSWAP
 Enable paging device/file support.
 This option is on by default.
+.It Cd options VMSWAPCRYPT
+Enable encryption of swapfile.
+This option is on by default.
 .It Cd options PDPOLICY_CLOCKPRO
 Use CLOCK-Pro, an alternative page replace policy.
 .El



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