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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-15 19:04:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-15 19:04:58 -0700
commit45158894d4d6704afbb4cefe55e5f6ca279fe12a (patch)
treed57e745e2d0848d75cd4a46ca04178b16f186b50 /arch/powerpc/mm/hash_low_64.S
parent89a93f2f4834f8c126e8d9dd6b368d0b9e21ec3d (diff)
parent84c3d4aaec3338201b449034beac41635866bddf (diff)
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (249 commits) powerpc: Fix pte_update for CONFIG_PTE_64BIT and !PTE_ATOMIC_UPDATES powerpc: Fix a build problem on ppc32 with new DMA_ATTRs ibm_newemac: Add MII mode support to the EMAC RGMII bridge. powerpc: Don't spin on sync instruction at boot time powerpc: Add VSX load/store alignment exception handler powerpc: fix giveup_vsx to save registers correctly powerpc: support for latencytop powerpc: Remove unnecessary condition when sanity-checking WIMG bits powerpc: Add PPC_FEATURE_PSERIES_PERFMON_COMPAT powerpc: Add driver for Barrier Synchronization Register powerpc: mman.h export fixups powerpc/fsl: update crypto node definition and device tree instances powerpc/fsl: Refactor device bindings powerpc/85xx: Minor fixes for 85xxds and 8536ds board. powerpc: Add 82xx/83xx/86xx to 6xx Multiplatform powerpc/85xx: publish of device for cds platforms powerpc/booke: don't reinitialize time base powerpc/86xx: Refactor pic init powerpc/CPM: Add i2c pins to dts and board setup cpm_uart: Support uart_wait_until_sent() ...
Diffstat (limited to 'arch/powerpc/mm/hash_low_64.S')
-rw-r--r--arch/powerpc/mm/hash_low_64.S17
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S
index 70f4c833fa32..a719f53921a5 100644
--- a/arch/powerpc/mm/hash_low_64.S
+++ b/arch/powerpc/mm/hash_low_64.S
@@ -388,7 +388,7 @@ _GLOBAL(__hash_page_4K)
*/
rlwinm r30,r4,32-9+7,31-7,31-7 /* _PAGE_RW -> _PAGE_DIRTY */
or r30,r30,r31
- ori r30,r30,_PAGE_BUSY | _PAGE_ACCESSED | _PAGE_HASHPTE
+ ori r30,r30,_PAGE_BUSY | _PAGE_ACCESSED
oris r30,r30,_PAGE_COMBO@h
/* Write the linux PTE atomically (setting busy) */
stdcx. r30,0,r6
@@ -468,7 +468,7 @@ END_FTR_SECTION(CPU_FTR_NOEXECUTE|CPU_FTR_COHERENT_ICACHE, CPU_FTR_NOEXECUTE)
* go to out-of-line code to try to modify the HPTE. We look for
* the bit at (1 >> (index + 32))
*/
- andi. r0,r31,_PAGE_HASHPTE
+ rldicl. r0,r31,64-12,48
li r26,0 /* Default hidx */
beq htab_insert_pte
@@ -726,11 +726,11 @@ BEGIN_FTR_SECTION
bne- ht64_bail_ok
END_FTR_SECTION_IFCLR(CPU_FTR_CI_LARGE_PAGE)
/* Prepare new PTE value (turn access RW into DIRTY, then
- * add BUSY,HASHPTE and ACCESSED)
+ * add BUSY and ACCESSED)
*/
rlwinm r30,r4,32-9+7,31-7,31-7 /* _PAGE_RW -> _PAGE_DIRTY */
or r30,r30,r31
- ori r30,r30,_PAGE_BUSY | _PAGE_ACCESSED | _PAGE_HASHPTE
+ ori r30,r30,_PAGE_BUSY | _PAGE_ACCESSED
/* Write the linux PTE atomically (setting busy) */
stdcx. r30,0,r6
bne- 1b
@@ -798,18 +798,21 @@ END_FTR_SECTION(CPU_FTR_NOEXECUTE|CPU_FTR_COHERENT_ICACHE, CPU_FTR_NOEXECUTE)
/* Check if we may already be in the hashtable, in this case, we
* go to out-of-line code to try to modify the HPTE
*/
- andi. r0,r31,_PAGE_HASHPTE
+ rldicl. r0,r31,64-12,48
bne ht64_modify_pte
ht64_insert_pte:
/* Clear hpte bits in new pte (we also clear BUSY btw) and
- * add _PAGE_HASHPTE
+ * add _PAGE_HPTE_SUB0
*/
lis r0,_PAGE_HPTEFLAGS@h
ori r0,r0,_PAGE_HPTEFLAGS@l
andc r30,r30,r0
+#ifdef CONFIG_PPC_64K_PAGES
+ oris r30,r30,_PAGE_HPTE_SUB0@h
+#else
ori r30,r30,_PAGE_HASHPTE
-
+#endif
/* Phyical address in r5 */
rldicl r5,r31,64-PTE_RPN_SHIFT,PTE_RPN_SHIFT
sldi r5,r5,PAGE_SHIFT