Date: Sat, 28 Jan 2017 12:59:25 -0800 From: Ngie Cooper <yaneurabeya@gmail.com> To: Allan Jude <allanjude@freebsd.org> Cc: Warner Losh <imp@bsdimp.com>, Julian Elischer <julian@freebsd.org>, Toomas Soome <tsoome@me.com>, FreeBSD Current <current@freebsd.org> Subject: Re: gptzfsboot grew a lot after skein support was added; need knob to control bloat Message-ID: <CAGHfRMCCx45doq90tNoqSUGtsN4tiTn1cb2cQPSzG2_qMHdZNA@mail.gmail.com> In-Reply-To: <891f12c6-d525-f9af-7b05-215bba875bc6@freebsd.org> References: <A33154F2-70E1-4047-8496-7D4D85CFF292@gmail.com> <EF719374-BF9D-44EF-9F45-53B2B506047C@me.com> <CANCZdfrzOr3YdbAKRrwUXsFDhdQ3hErf1vbYSG7MdpV_m%2B=YRQ@mail.gmail.com> <EB309E42-BEA6-49DF-BF34-172076851891@gmail.com> <f251f193-0fcd-cb2d-0fff-c443c4ca49d6@freebsd.org> <CANCZdfqdZumJvRcHGmZR_9s-ULFWsvp7h91H39o4nPgyqPBooA@mail.gmail.com> <CAGHfRMBQNSgAUGZfZQ7gD-OU4q-5sW54bdCS%2B-9_3k1ZbLu-kw@mail.gmail.com> <cea48de5-447c-bd84-c6b0-2803d00f50f9@freebsd.org> <CAGHfRMAR4XbJCae5K_XXYYzFrFjhfUVGscZ4gLhsALWouT26aw@mail.gmail.com> <373376e9-2a30-3cb4-ec60-b5b5f27de596@freebsd.org> <CAGHfRMB33A8%2B0tHQM=TUP6c-q5iTiQyRzNU9brcuQWh8hJcPwg@mail.gmail.com> <CAGHfRMDzXhauXi7r=CSih_moH0Po2K2=MGrz8sK1xmDqifPEiA@mail.gmail.com> <891f12c6-d525-f9af-7b05-215bba875bc6@freebsd.org>
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On Sat, Jan 28, 2017 at 12:21 PM, Allan Jude <allanjude@freebsd.org> wrote: ... > The 'zfsboot' version, is dd's into the zfs boot code area. It is read > by the assembly code there. It is important the file be the size that > will be read, so it is padded out. That file is currently only used for > MBR booting from ZFS. Thank you for the info -- it would be really nice if this was noted in the Makefile in more detail for the next soul who wonders why the sizes are so different. Thanks! -Ngie
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