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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
commit12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch)
treef91479a62805619168994fd3ee55e3ffa23fc24e /arch/powerpc/mm/hugetlbpage-hash64.c
parentxen/privcmd: fix condition in privcmd_close() (diff)
parentLinux 3.10-rc1 (diff)
downloadwireguard-linux-12e04ffcd93b25dfd726d46338c2ee7d23de556e.tar.xz
wireguard-linux-12e04ffcd93b25dfd726d46338c2ee7d23de556e.zip
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1 * tag 'v3.10-rc1': (12273 commits) Linux 3.10-rc1 [SCSI] qla2xxx: Update firmware link in Kconfig file. [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type [SCSI] pm80xx: thermal, sas controller config and error handling update [SCSI] pm80xx: NCQ error handling changes [SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers [SCSI] pm80xx: Changed module name and debug messages update [SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it [SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone [SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files [SCSI] pm80xx: MSI-X implementation for using 64 interrupts [SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve [SCSI] pm80xx: Multiple inbound/outbound queue configuration [SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC [SCSI] lpfc: fix up Kconfig dependencies [SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd dm cache: set config value dm cache: move config fns dm thin: generate event when metadata threshold passed ...
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage-hash64.c')
-rw-r--r--arch/powerpc/mm/hugetlbpage-hash64.c33
1 files changed, 7 insertions, 26 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c
index cecad348f604..0f1d94a1fb82 100644
--- a/arch/powerpc/mm/hugetlbpage-hash64.c
+++ b/arch/powerpc/mm/hugetlbpage-hash64.c
@@ -14,6 +14,10 @@
#include <asm/cacheflush.h>
#include <asm/machdep.h>
+extern long hpte_insert_repeating(unsigned long hash, unsigned long vpn,
+ unsigned long pa, unsigned long rlags,
+ unsigned long vflags, int psize, int ssize);
+
int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
pte_t *ptep, unsigned long trap, int local, int ssize,
unsigned int shift, unsigned int mmu_psize)
@@ -83,14 +87,9 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
if (likely(!(old_pte & _PAGE_HASHPTE))) {
unsigned long hash = hpt_hash(vpn, shift, ssize);
- unsigned long hpte_group;
pa = pte_pfn(__pte(old_pte)) << PAGE_SHIFT;
-repeat:
- hpte_group = ((hash & htab_hash_mask) *
- HPTES_PER_GROUP) & ~0x7UL;
-
/* clear HPTE slot informations in new PTE */
#ifdef CONFIG_PPC_64K_PAGES
new_pte = (new_pte & ~_PAGE_HPTEFLAGS) | _PAGE_HPTE_SUB0;
@@ -101,26 +100,8 @@ repeat:
rflags |= (new_pte & (_PAGE_WRITETHRU | _PAGE_NO_CACHE |
_PAGE_COHERENT | _PAGE_GUARDED));
- /* Insert into the hash table, primary slot */
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags, 0,
- mmu_psize, ssize);
-
- /* Primary is full, try the secondary */
- if (unlikely(slot == -1)) {
- hpte_group = ((~hash & htab_hash_mask) *
- HPTES_PER_GROUP) & ~0x7UL;
- slot = ppc_md.hpte_insert(hpte_group, vpn, pa, rflags,
- HPTE_V_SECONDARY,
- mmu_psize, ssize);
- if (slot == -1) {
- if (mftb() & 0x1)
- hpte_group = ((hash & htab_hash_mask) *
- HPTES_PER_GROUP)&~0x7UL;
-
- ppc_md.hpte_remove(hpte_group);
- goto repeat;
- }
- }
+ slot = hpte_insert_repeating(hash, vpn, pa, rflags, 0,
+ mmu_psize, ssize);
/*
* Hypervisor failure. Restore old pte and return -1
@@ -129,7 +110,7 @@ repeat:
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;
}