diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2008-11-19 12:50:04 +0000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-12-03 20:46:35 +1100 |
| commit | 0186f47e703fb7aa14b54459d642ef5374b3a685 (patch) | |
| tree | 5af0bc2bf92b9ef7edf79aab989387de4d8ffaaf /arch/powerpc/mm/hash_low_32.S | |
| parent | df3b8611554e389e703fa753540289874fa5126c (diff) | |
| download | talos-op-linux-0186f47e703fb7aa14b54459d642ef5374b3a685.tar.gz talos-op-linux-0186f47e703fb7aa14b54459d642ef5374b3a685.zip | |
powerpc: Use RCU based pte freeing mechanism for all powerpc
Refactor the RCU based pte free code that was used on ppc64 to be used
on all powerpc.
Additionally refactor pte_free() & pte_free_kernel() into common code
between ppc32 & ppc64.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/mm/hash_low_32.S')
| -rw-r--r-- | arch/powerpc/mm/hash_low_32.S | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/arch/powerpc/mm/hash_low_32.S b/arch/powerpc/mm/hash_low_32.S index 7bffb70b9fe2..c5536b8b37a9 100644 --- a/arch/powerpc/mm/hash_low_32.S +++ b/arch/powerpc/mm/hash_low_32.S @@ -36,36 +36,6 @@ mmu_hash_lock: #endif /* CONFIG_SMP */ /* - * Sync CPUs with hash_page taking & releasing the hash - * table lock - */ -#ifdef CONFIG_SMP - .text -_GLOBAL(hash_page_sync) - mfmsr r10 - rlwinm r0,r10,0,17,15 /* clear bit 16 (MSR_EE) */ - mtmsr r0 - lis r8,mmu_hash_lock@h - ori r8,r8,mmu_hash_lock@l - lis r0,0x0fff - b 10f -11: lwz r6,0(r8) - cmpwi 0,r6,0 - bne 11b -10: lwarx r6,0,r8 - cmpwi 0,r6,0 - bne- 11b - stwcx. r0,0,r8 - bne- 10b - isync - eieio - li r0,0 - stw r0,0(r8) - mtmsr r10 - blr -#endif /* CONFIG_SMP */ - -/* * Load a PTE into the hash table, if possible. * The address is in r4, and r3 contains an access flag: * _PAGE_RW (0x400) if a write. |
