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lmb: Make lmb debugging more useful.

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Having to muck with the build and set DEBUG just to
get lmb_dump_all() to print things isn't very useful.

So use pr_info() and use an early boot param
"lmb=debug" so we can simply ask users to reboot
with this option when we need some debugging from
them.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-05-12 17:21:55 -07:00
parent 4978db5bd9
commit faa6cfde74
1 changed files with 22 additions and 11 deletions
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33
lib/lmb.c
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@ -19,31 +19,42 @@
struct lmb lmb;
static int lmb_debug;
static int __init early_lmb(char *p)
{
if (p && strstr(p, "debug"))
lmb_debug = 1;
return 0;
}
early_param("lmb", early_lmb);
void lmb_dump_all(void)
{
#ifdef DEBUG
unsigned long i;
pr_debug("lmb_dump_all:\n");
pr_debug(" memory.cnt = 0x%lx\n", lmb.memory.cnt);
pr_debug(" memory.size = 0x%llx\n",
if (!lmb_debug)
return;
pr_info("lmb_dump_all:\n");
pr_info(" memory.cnt = 0x%lx\n", lmb.memory.cnt);
pr_info(" memory.size = 0x%llx\n",
(unsigned long long)lmb.memory.size);
for (i=0; i < lmb.memory.cnt ;i++) {
pr_debug(" memory.region[0x%x].base = 0x%llx\n",
pr_info(" memory.region[0x%lx].base = 0x%llx\n",
i, (unsigned long long)lmb.memory.region[i].base);
pr_debug(" .size = 0x%llx\n",
pr_info(" .size = 0x%llx\n",
(unsigned long long)lmb.memory.region[i].size);
}
pr_debug(" reserved.cnt = 0x%lx\n", lmb.reserved.cnt);
pr_debug(" reserved.size = 0x%lx\n", lmb.reserved.size);
pr_info(" reserved.cnt = 0x%lx\n", lmb.reserved.cnt);
pr_info(" reserved.size = 0x%lx\n", lmb.reserved.size);
for (i=0; i < lmb.reserved.cnt ;i++) {
pr_debug(" reserved.region[0x%x].base = 0x%llx\n",
pr_info(" reserved.region[0x%lx].base = 0x%llx\n",
i, (unsigned long long)lmb.reserved.region[i].base);
pr_debug(" .size = 0x%llx\n",
pr_info(" .size = 0x%llx\n",
(unsigned long long)lmb.reserved.region[i].size);
}
#endif /* DEBUG */
}
static unsigned long lmb_addrs_overlap(u64 base1, u64 size1, u64 base2,