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Subject__init poisoning for i386, too
Hi!

Overwrite __init section so calls to __init functions from normal code
are catched, reliably. I wonder if this should be configurable... but
it is configurable on x86-64 so I copied it. Please apply,

Pavel

--- tmp/linux/arch/i386/Kconfig.debug 2004-10-01 00:29:59.000000000 +0200
+++ linux/arch/i386/Kconfig.debug 2004-10-07 00:11:09.000000000 +0200
@@ -15,6 +15,13 @@
with klogd/syslogd or the X server. You should normally N here,
unless you want to debug such a crash.

+config INIT_DEBUG
+ bool "Debug __init statements"
+ depends on DEBUG_KERNEL
+ help
+ Fill __init and __initdata at the end of boot. This helps debugging
+ illegal uses of __init and __initdata after initialization.
+
config DEBUG_STACKOVERFLOW
bool "Check for stack overflows"
depends on DEBUG_KERNEL
--- tmp/linux/arch/i386/mm/init.c 2004-10-01 00:29:59.000000000 +0200
+++ linux/arch/i386/mm/init.c 2004-10-07 00:09:04.000000000 +0200
@@ -705,6 +705,9 @@
ClearPageReserved(virt_to_page(addr));
set_page_count(virt_to_page(addr), 1);
free_page(addr);
+#ifdef CONFIG_INIT_DEBUG
+ memset((void *)(addr & ~(PAGE_SIZE-1)), 0xcc, PAGE_SIZE);
+#endif
totalram_pages++;
}
printk (KERN_INFO "Freeing unused kernel memory: %dk freed\n", (__init_end - __init_begin) >> 10);
--
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
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