The change of the zero_unbind and eth_unbind calls to use __exit
breaks the driver on ARM. It causes a difficult to locate error:
LD .tmp_vmlinux1
local symbol 0: discarded in section `.exit.text' from drivers/built-in.o
drivers/built-in.o(.init.text+0x3880): In function `release_mem':
drivers/char/tty_io.c:1690: relocation truncated to fit: R_ARM_PC24 .exit.text
make: *** [.tmp_vmlinux1] Error 1
or a variant. My understanding is that this doesn't work because
the section where this function is stored has become discardable.
With this change, the gadget driver is unlinkable on my target, and
I suspect is broken on ARMs as well, but I haven't verified that.
On ARM, .exit.text is marked discardable:
/DISCARD/ : { /* Exit code and data */
*(.exit.text)
*(.exit.data)
*(.exitcall.exit)
}
I'll post to lak to see what they think. I don't see why this
would be the case.
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