Messages in this thread Patch in this message | | | Date | Mon, 13 Jan 2003 13:12:25 +1000 | From | Greg Ungerer <> | Subject | Re: exception tables in 2.5.55 |
| |
Hi All,
Rusty Russell wrote: > You can now make kernel/extable.o depend on this configuration option > (whatever you decide it should be). > > And surround kernel/module.c's search_module_extables with the same > option. > > It's trivial, just CC: me when you send to Linus, and I'll re-xmit if > he drops it.
Heres a patch for it. Pretty strait forward, if everyone is happy with this I will run with it...
Tested and working on m68knommu architecture.
Regards Greg
diff -Naur linux-2.5.56/kernel/Makefile linux-2.5.56-uc0/kernel/Makefile --- linux-2.5.56/kernel/Makefile Sat Jan 11 06:11:36 2003 +++ linux-2.5.56-uc0/kernel/Makefile Mon Jan 13 13:03:45 2003 @@ -10,7 +10,7 @@ exit.o itimer.o time.o softirq.o resource.o \ sysctl.o capability.o ptrace.o timer.o user.o \ signal.o sys.o kmod.o workqueue.o futex.o pid.o \ - rcupdate.o intermodule.o extable.o params.o + rcupdate.o intermodule.o params.o
obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o obj-$(CONFIG_SMP) += cpu.o @@ -22,6 +22,7 @@ obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o obj-$(CONFIG_SOFTWARE_SUSPEND) += suspend.o obj-$(CONFIG_COMPAT) += compat.o +obj-$(CONFIG_MMU) += extable.o
ifneq ($(CONFIG_IA64),y) # According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is diff -Naur linux-2.5.56/kernel/module.c linux-2.5.56-uc0/kernel/module.c --- linux-2.5.56/kernel/module.c Sat Jan 11 06:12:11 2003 +++ linux-2.5.56-uc0/kernel/module.c Mon Jan 13 13:06:00 2003 @@ -1438,6 +1438,7 @@ .show = m_show };
+#ifdef CONFIG_MMU /* Given an address, look for it in the module exception tables. */ const struct exception_table_entry *search_module_extables(unsigned long addr) { @@ -1460,6 +1461,7 @@ we cannot unload the module, hence no refcnt needed. */ return e; } +#endif /* CONFIG_MMU */
/* Is this a valid kernel address? We don't grab the lock: we are oopsing. */ int module_text_address(unsigned long addr)
------------------------------------------------------------------------ Greg Ungerer -- Chief Software Wizard EMAIL: gerg@snapgear.com SnapGear Pty Ltd PHONE: +61 7 3435 2888 825 Stanley St, FAX: +61 7 3891 3630 Woolloongabba, QLD, 4102, Australia WEB: www.SnapGear.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |