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powerpc: print both base and actual page size on hash failure

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Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Aneesh Kumar K.V 2013-04-28 09:37:37 +00:00 committed by Benjamin Herrenschmidt
parent 7e74c3921a
commit d8139ebf85
3 changed files with 10 additions and 7 deletions
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3
arch/powerpc/include/asm/mmu-hash64.h
View File

@ -342,7 +342,8 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
unsigned int shift, unsigned int mmu_psize);
extern void hash_failure_debug(unsigned long ea, unsigned long access,
unsigned long vsid, unsigned long trap,
int ssize, int psize, unsigned long pte);
int ssize, int psize, int lpsize,
unsigned long pte);
extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
unsigned long pstart, unsigned long prot,
int psize, int ssize);

12
arch/powerpc/mm/hash_utils_64.c
View File

@ -936,14 +936,14 @@ static inline int subpage_protection(struct mm_struct *mm, unsigned long ea)
void hash_failure_debug(unsigned long ea, unsigned long access,
unsigned long vsid, unsigned long trap,
int ssize, int psize, unsigned long pte)
int ssize, int psize, int lpsize, unsigned long pte)
{
if (!printk_ratelimit())
return;
pr_info("mm: Hashing failure ! EA=0x%lx access=0x%lx current=%s\n",
ea, access, current->comm);
pr_info(" trap=0x%lx vsid=0x%lx ssize=%d psize=%d pte=0x%lx\n",
trap, vsid, ssize, psize, pte);
pr_info(" trap=0x%lx vsid=0x%lx ssize=%d base psize=%d psize %d pte=0x%lx\n",
trap, vsid, ssize, psize, lpsize, pte);
}
/* Result code is:
@ -1116,7 +1116,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap)
*/
if (rc == -1)
hash_failure_debug(ea, access, vsid, trap, ssize, psize,
pte_val(*ptep));
psize, pte_val(*ptep));
#ifndef CONFIG_PPC_64K_PAGES
DBG_LOW(" o-pte: %016lx\n", pte_val(*ptep));
#else
@ -1194,7 +1194,9 @@ void hash_preload(struct mm_struct *mm, unsigned long ea,
*/
if (rc == -1)
hash_failure_debug(ea, access, vsid, trap, ssize,
mm->context.user_psize, pte_val(*ptep));
mm->context.user_psize,
mm->context.user_psize,
pte_val(*ptep));
local_irq_restore(flags);
}

2
arch/powerpc/mm/hugetlbpage-hash64.c
View File

@ -110,7 +110,7 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
if (unlikely(slot == -2)) {
*ptep = __pte(old_pte);
hash_failure_debug(ea, access, vsid, trap, ssize,
mmu_psize, old_pte);
mmu_psize, mmu_psize, old_pte);
return -1;
}