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authorBharat Nihalani <bnihalani@nvidia.com>2013-12-19 23:29:52 -0800
committerGerrit Code Review <gerrit2@nvidia.com>2013-12-19 23:29:52 -0800
commit2b2f508eeb26fd48e6c56b8bd59aa7ad1abf5fd3 (patch)
tree07326c802b07a0477a0d48a1be6d0dfc34507a54 /arch/arm/mm
parent3321cd648c8ac7af09d52e200ab7816024cfc06d (diff)
parent4186e42658f8f3e95fa4f87f917872e8a3431057 (diff)
Merge "Merge tag 'v3.10.24' into HEAD" into dev-kernel-3.10
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/extable.c7
-rw-r--r--arch/arm/mm/mmap.c2
-rw-r--r--arch/arm/mm/pgd.c3
3 files changed, 9 insertions, 3 deletions
diff --git a/arch/arm/mm/extable.c b/arch/arm/mm/extable.c
index 9d285626bc7d..312e15e6d00b 100644
--- a/arch/arm/mm/extable.c
+++ b/arch/arm/mm/extable.c
@@ -9,8 +9,13 @@ int fixup_exception(struct pt_regs *regs)
const struct exception_table_entry *fixup;
fixup = search_exception_tables(instruction_pointer(regs));
- if (fixup)
+ if (fixup) {
regs->ARM_pc = fixup->fixup;
+#ifdef CONFIG_THUMB2_KERNEL
+ /* Clear the IT state to avoid nasty surprises in the fixup */
+ regs->ARM_cpsr &= ~PSR_IT_MASK;
+#endif
+ }
return fixup != NULL;
}
diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c
index 10062ceadd1c..f0ef2f7d4ad7 100644
--- a/arch/arm/mm/mmap.c
+++ b/arch/arm/mm/mmap.c
@@ -146,7 +146,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
info.flags = VM_UNMAPPED_AREA_TOPDOWN;
info.length = len;
- info.low_limit = PAGE_SIZE;
+ info.low_limit = FIRST_USER_ADDRESS;
info.high_limit = mm->mmap_base;
info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0;
info.align_offset = pgoff << PAGE_SHIFT;
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
index 40e2119d465c..bbd6d6611236 100644
--- a/arch/arm/mm/pgd.c
+++ b/arch/arm/mm/pgd.c
@@ -106,7 +106,8 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
init_pud = pud_offset(init_pgd, 0);
init_pmd = pmd_offset(init_pud, 0);
init_pte = pte_offset_map(init_pmd, 0);
- set_pte_ext(new_pte, *init_pte, 0);
+ set_pte_ext(new_pte + 0, init_pte[0], 0);
+ set_pte_ext(new_pte + 1, init_pte[1], 0);
pte_unmap(init_pte);
pte_unmap(new_pte);
}