Re: [Patch 4/4] module: trim exception table in module_free()

From: Amerigo Wang
Date: Wed May 27 2009 - 03:44:54 EST

Rusty Russell wrote:
__ex_table ends up with two entries:

Contents of section __ex_table:
0000 0c000000 00000000 0e000000 00000000 ................
0010 10000000 0a000000 12000000 0a000000 ................

The first is for the __put_user in .text (extable_not_init()) and the second is for the one in .init.text (init()).

Depending on how the module gets allocated, the one referring to .init.text may be first or last.

Hmm, how about the following? :-)

struct exception_table_entry *p = mod->extable;

for (;p <= mod->extable+mod->num_exentries; p++ )
if (with_in_module_init(p->insn, mod))

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