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Commit 0510617b authored by Thomas Bogendoerfer's avatar Thomas Bogendoerfer Committed by Ralf Baechle
Browse files

[MIPS] Fix data bus error recovery 



With -ffunction-section the entries in __dbe_table aren't no longer
sorted, so the lookup of exception addresses in do_be() failed for
some addresses. To avoid this we now sort __dbe_table.

Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent b380b0d4

arch/mips/kernel/traps.c

+4 −2
Original line number Diff line number Diff line
@@ -373,8 +373,8 @@ void __noreturn die(const char * str, const struct pt_regs * regs) 
	do_exit(SIGSEGV);

}



extern const struct exception_table_entry __start___dbe_table[];

extern const struct exception_table_entry __stop___dbe_table[];

extern struct exception_table_entry __start___dbe_table[];

extern struct exception_table_entry __stop___dbe_table[];



__asm__(

"	.section	__dbe_table, \"a\"\n"
@@ -1682,4 +1682,6 @@ void __init trap_init(void) 


	flush_icache_range(ebase, ebase + 0x400);

	flush_tlb_handlers();



	sort_extable(__start___dbe_table, __stop___dbe_table);

}