diff options
| author | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:12:06 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:19:22 (GMT) |
| commit | 6faa2909871d8937cb2f79a10e1b21ffe193fac1 (patch) | |
| tree | f558a94f1553814cc122ab8d9e04c0ebad5262a5 /arch/mips/mm | |
| parent | fcb2fb84301c673ee15ca04e7a2fc965712d49a0 (diff) | |
| download | linux-fsl-qoriq-6faa2909871d8937cb2f79a10e1b21ffe193fac1.tar.xz | |
Reset to 3.12.37
Diffstat (limited to 'arch/mips/mm')
| -rw-r--r-- | arch/mips/mm/fault.c | 2 | ||||
| -rw-r--r-- | arch/mips/mm/hugetlbpage.c | 5 | ||||
| -rw-r--r-- | arch/mips/mm/tlbex.c | 5 |
3 files changed, 6 insertions, 6 deletions
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c index 6a492c0..becc42b 100644 --- a/arch/mips/mm/fault.c +++ b/arch/mips/mm/fault.c @@ -89,7 +89,7 @@ static void __kprobes __do_page_fault(struct pt_regs *regs, unsigned long write, * If we're in an interrupt or have no user * context, we must not take the fault.. */ - if (!mm || pagefault_disabled()) + if (in_atomic() || !mm) goto bad_area_nosemaphore; if (user_mode(regs)) diff --git a/arch/mips/mm/hugetlbpage.c b/arch/mips/mm/hugetlbpage.c index 01fda44..a7fee0d 100644 --- a/arch/mips/mm/hugetlbpage.c +++ b/arch/mips/mm/hugetlbpage.c @@ -85,11 +85,6 @@ int pud_huge(pud_t pud) return (pud_val(pud) & _PAGE_HUGE) != 0; } -int pmd_huge_support(void) -{ - return 1; -} - struct page * follow_huge_pmd(struct mm_struct *mm, unsigned long address, pmd_t *pmd, int write) diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 9bb3a93..a39b415 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -1095,6 +1095,7 @@ static void build_update_entries(u32 **p, unsigned int tmp, unsigned int ptep) struct mips_huge_tlb_info { int huge_pte; int restore_scratch; + bool need_reload_pte; }; static struct mips_huge_tlb_info @@ -1109,6 +1110,7 @@ build_fast_tlb_refill_handler (u32 **p, struct uasm_label **l, rv.huge_pte = scratch; rv.restore_scratch = 0; + rv.need_reload_pte = false; if (check_for_high_segbits) { UASM_i_MFC0(p, tmp, C0_BADVADDR); @@ -1297,6 +1299,7 @@ static void build_r4000_tlb_refill_handler(void) } else { htlb_info.huge_pte = K0; htlb_info.restore_scratch = 0; + htlb_info.need_reload_pte = true; vmalloc_mode = refill_noscratch; /* * create the plain linear handler @@ -1333,6 +1336,8 @@ static void build_r4000_tlb_refill_handler(void) } #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT uasm_l_tlb_huge_update(&l, p); + if (htlb_info.need_reload_pte) + UASM_i_LW(&p, htlb_info.huge_pte, 0, K1); build_huge_update_entries(&p, htlb_info.huge_pte, K1); build_huge_tlb_write_entry(&p, &l, &r, K0, tlb_random, htlb_info.restore_scratch); |