Hi Michael,
On Thu, Jun 28, 2018 at 6:59 AM Michael Schmitz <schmitzmic@xxxxxxxxx> wrote:
Am 28.06.2018 um 09:20 schrieb Martin Steigerwald:
And as stated in my other reply to the patch:
partition needs 64 bit disk device support in AmigaOS or AmigaOS
like
operating systems (NSD64, TD64 or SCSI direct)
I'd probably leave it at 'disk needs 64 bit disk device support on
native OS', and only print that warning once.
This is fine with me.
OK, I'll go with that.
Do we really need the warning?
Once the parsing is fixed doing 64-bit math, it does not matter for Linux
anymore.
Won't it make more sense to have the warning in the tool that created the
partition table in the first place?
I would not name the kernel option "eat_my_rdb", but use a less
dramatizing name.
Maybe just: "allow_64bit_rdb" or something like that.
I don't expect to get away with that :-)
I still fail to see what's the added value of the kernel option...
Either the partition is usable, or not.
How does the user come to know about this kernel option? Will you print
its name in kernel log?
Depends on how easy we want to make it for users. If I put a BUG() trap
with the check, the resulting log section will point to a specific line
in block/partitions/amiga.c, from which the override option will be
obvious. But that might be a little too opaque for some...
Please don't use BUG(), unless your goal is to attract attention (from
Linus, who dislikes BUG()!).
Using BUG() would be a nice way to DoS someones machine by plugging in
a USB stick with a malformed RDB.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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