diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-06 17:58:22 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-06 17:58:22 -0800 |
| commit | e4e88f31bcb5f05f24b9ae518d4ecb44e1a7774d (patch) | |
| tree | 9eef6998f5bbd1a2c999011d9e0151f00c6e7297 /arch/powerpc/mm/tlb_low_64e.S | |
| parent | 9753dfe19a85e7e45a34a56f4cb2048bb4f50e27 (diff) | |
| parent | ef88e3911c0e0301e73fa3b3b2567aabdbe17cc4 (diff) | |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (185 commits)
powerpc: fix compile error with 85xx/p1010rdb.c
powerpc: fix compile error with 85xx/p1023_rds.c
powerpc/fsl: add MSI support for the Freescale hypervisor
arch/powerpc/sysdev/fsl_rmu.c: introduce missing kfree
powerpc/fsl: Add support for Integrated Flash Controller
powerpc/fsl: update compatiable on fsl 16550 uart nodes
powerpc/85xx: fix PCI and localbus properties in p1022ds.dts
powerpc/85xx: re-enable ePAPR byte channel driver in corenet32_smp_defconfig
powerpc/fsl: Update defconfigs to enable some standard FSL HW features
powerpc: Add TBI PHY node to first MDIO bus
sbc834x: put full compat string in board match check
powerpc/fsl-pci: Allow 64-bit PCIe devices to DMA to any memory address
powerpc: Fix unpaired probe_hcall_entry and probe_hcall_exit
offb: Fix setting of the pseudo-palette for >8bpp
offb: Add palette hack for qemu "standard vga" framebuffer
offb: Fix bug in calculating requested vram size
powerpc/boot: Change the WARN to INFO for boot wrapper overlap message
powerpc/44x: Fix build error on currituck platform
powerpc/boot: Change the load address for the wrapper to fit the kernel
powerpc/44x: Enable CRASH_DUMP for 440x
...
Fix up a trivial conflict in arch/powerpc/include/asm/cputime.h due to
the additional sparse-checking code for cputime_t.
Diffstat (limited to 'arch/powerpc/mm/tlb_low_64e.S')
| -rw-r--r-- | arch/powerpc/mm/tlb_low_64e.S | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S index dc4a5f385e4..ff672bd8fea 100644 --- a/arch/powerpc/mm/tlb_low_64e.S +++ b/arch/powerpc/mm/tlb_low_64e.S @@ -94,11 +94,11 @@ srdi r15,r16,60 /* get region */ rldicl. r10,r16,64-PGTABLE_EADDR_SIZE,PGTABLE_EADDR_SIZE+4 - bne- dtlb_miss_fault_bolted + bne- dtlb_miss_fault_bolted /* Bail if fault addr is invalid */ rlwinm r10,r11,32-19,27,27 rlwimi r10,r11,32-16,19,19 - cmpwi r15,0 + cmpwi r15,0 /* user vs kernel check */ ori r10,r10,_PAGE_PRESENT oris r11,r10,_PAGE_ACCESSED@h @@ -120,44 +120,38 @@ tlb_miss_common_bolted: rldicl r15,r16,64-PGDIR_SHIFT+3,64-PGD_INDEX_SIZE-3 cmpldi cr0,r14,0 clrrdi r15,r15,3 - beq tlb_miss_fault_bolted + beq tlb_miss_fault_bolted /* No PGDIR, bail */ BEGIN_MMU_FTR_SECTION /* Set the TLB reservation and search for existing entry. Then load * the entry. */ PPC_TLBSRX_DOT(0,r16) - ldx r14,r14,r15 - beq normal_tlb_miss_done + ldx r14,r14,r15 /* grab pgd entry */ + beq normal_tlb_miss_done /* tlb exists already, bail */ MMU_FTR_SECTION_ELSE - ldx r14,r14,r15 + ldx r14,r14,r15 /* grab pgd entry */ ALT_MMU_FTR_SECTION_END_IFSET(MMU_FTR_USE_TLBRSRV) #ifndef CONFIG_PPC_64K_PAGES rldicl r15,r16,64-PUD_SHIFT+3,64-PUD_INDEX_SIZE-3 clrrdi r15,r15,3 - - cmpldi cr0,r14,0 - beq tlb_miss_fault_bolted - - ldx r14,r14,r15 + cmpdi cr0,r14,0 + bge tlb_miss_fault_bolted /* Bad pgd entry or hugepage; bail */ + ldx r14,r14,r15 /* grab pud entry */ #endif /* CONFIG_PPC_64K_PAGES */ rldicl r15,r16,64-PMD_SHIFT+3,64-PMD_INDEX_SIZE-3 clrrdi r15,r15,3 - - cmpldi cr0,r14,0 - beq tlb_miss_fault_bolted - - ldx r14,r14,r15 + cmpdi cr0,r14,0 + bge tlb_miss_fault_bolted + ldx r14,r14,r15 /* Grab pmd entry */ rldicl r15,r16,64-PAGE_SHIFT+3,64-PTE_INDEX_SIZE-3 clrrdi r15,r15,3 - - cmpldi cr0,r14,0 - beq tlb_miss_fault_bolted - - ldx r14,r14,r15 + cmpdi cr0,r14,0 + bge tlb_miss_fault_bolted + ldx r14,r14,r15 /* Grab PTE, normal (!huge) page */ /* Check if required permissions are met */ andc. r15,r11,r14 |