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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 09:16:30 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-15 09:16:30 +0400 |
| commit | 1b2722752fe7bf21e76c87080add6d6c40af339f (patch) | |
| tree | 2b98fb5d283c20a7d879bd8b3ed9d9ec67592f10 /arch/sparc/mm/tlb.c | |
| parent | 91838e2dab460ba589fb90db0fe1f504f5c04f12 (diff) | |
| parent | 812cb83a56a908729c453a7db3fb2c262119bc9d (diff) | |
| download | linux-1b2722752fe7bf21e76c87080add6d6c40af339f.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next
Pull sparc update from David Miller:
1) Implement support for up to 47-bit physical addresses on sparc64.
2) Support HAVE_CONTEXT_TRACKING on sparc64, from Kirill Tkhai.
3) Fix Simba bridge window calculations, from Kjetil Oftedal.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
sparc64: Implement HAVE_CONTEXT_TRACKING
sparc64: Add self-IPI support for smp_send_reschedule()
sparc: PCI: Fix incorrect address calculation of PCI Bridge windows on Simba-bridges
sparc64: Encode huge PMDs using PTE encoding.
sparc64: Move to 64-bit PGDs and PMDs.
sparc64: Move from 4MB to 8MB huge pages.
sparc64: Make PAGE_OFFSET variable.
sparc64: Fix inconsistent max-physical-address defines.
sparc64: Document the shift counts used to validate linear kernel addresses.
sparc64: Define PAGE_OFFSET in terms of physical address bits.
sparc64: Use PAGE_OFFSET instead of a magic constant.
sparc64: Clean up 64-bit mmap exclusion defines.
Diffstat (limited to 'arch/sparc/mm/tlb.c')
| -rw-r--r-- | arch/sparc/mm/tlb.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index 656cc46a81f5..ad3bf4b4324d 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -161,8 +161,8 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, if (mm == &init_mm) return; - if ((pmd_val(pmd) ^ pmd_val(orig)) & PMD_ISHUGE) { - if (pmd_val(pmd) & PMD_ISHUGE) + if ((pmd_val(pmd) ^ pmd_val(orig)) & _PAGE_PMD_HUGE) { + if (pmd_val(pmd) & _PAGE_PMD_HUGE) mm->context.huge_pte_count++; else mm->context.huge_pte_count--; @@ -178,13 +178,16 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, } if (!pmd_none(orig)) { - bool exec = ((pmd_val(orig) & PMD_HUGE_EXEC) != 0); + pte_t orig_pte = __pte(pmd_val(orig)); + bool exec = pte_exec(orig_pte); addr &= HPAGE_MASK; - if (pmd_val(orig) & PMD_ISHUGE) + if (pmd_trans_huge(orig)) { tlb_batch_add_one(mm, addr, exec); - else + tlb_batch_add_one(mm, addr + REAL_HPAGE_SIZE, exec); + } else { tlb_batch_pmd_scan(mm, addr, orig, exec); + } } } |