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authorvenkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>2008-03-18 17:00:25 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:20 +0200
commit6997ab4982a29925e79f72c3a59823cf944c3529 (patch)
treec46234aee452e7b47f315c8b87487e22f2ad4d3d /arch/x86/mm/ioremap.c
parentb310f381d220b2c6e3fab16e8c6e4ca13eea75b2 (diff)
x86: add PAT related debug prints
Adds debug prints at critical code. Adds enough info in dmesg to allow us to do effective first round of analysis of any issues that may result due to PAT patch series. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/ioremap.c')
-rw-r--r--arch/x86/mm/ioremap.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 51cd3956c56..6cd3418afe7 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -131,7 +131,7 @@ static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size,
return NULL;
if (!phys_addr_valid(phys_addr)) {
- printk(KERN_WARNING "ioremap: invalid physical address %lx\n",
+ printk(KERN_WARNING "ioremap: invalid physical address %llx\n",
phys_addr);
WARN_ON_ONCE(1);
return NULL;
@@ -177,6 +177,10 @@ static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size,
new_prot_val == _PAGE_CACHE_WC)) ||
(prot_val == _PAGE_CACHE_WC &&
new_prot_val == _PAGE_CACHE_WB)) {
+ printk(
+ "ioremap error for 0x%llx-0x%llx, requested 0x%lx, got 0x%lx\n",
+ phys_addr, phys_addr + size,
+ prot_val, new_prot_val);
free_memtype(phys_addr, phys_addr + size);
return NULL;
}