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Merge branch 'fixes' into next

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There's a few important fixes in our fixes branch, in particular the
pgd/pud_present() one, so merge it now.
This commit is contained in:
Michael Ellerman
2019-02-19 19:56:26 +11:00
parent b174b4fb91 a58007621b
commit 637cfeb9f9
15 changed files with 60 additions and 35 deletions
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26
arch/powerpc/include/asm/book3s/64/pgtable.h
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@@ -904,7 +904,7 @@ static inline int pud_none(pud_t pud)
static inline int pud_present(pud_t pud)
{
return (pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT));
return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PRESENT));
}
extern struct page *pud_page(pud_t pud);
@@ -951,7 +951,7 @@ static inline int pgd_none(pgd_t pgd)
static inline int pgd_present(pgd_t pgd)
{
return (pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT));
return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PRESENT));
}
static inline pte_t pgd_pte(pgd_t pgd)
@@ -1258,21 +1258,13 @@ extern pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
#define pmd_move_must_withdraw pmd_move_must_withdraw
struct spinlock;
static inline int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl,
struct spinlock *old_pmd_ptl,
struct vm_area_struct *vma)
{
if (radix_enabled())
return false;
/*
* Archs like ppc64 use pgtable to store per pmd
* specific information. So when we switch the pmd,
* we should also withdraw and deposit the pgtable
*/
return true;
}
extern int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl,
struct spinlock *old_pmd_ptl,
struct vm_area_struct *vma);
/*
* Hash translation mode use the deposited table to store hash pte
* slot information.
*/
#define arch_needs_pgtable_deposit arch_needs_pgtable_deposit
static inline bool arch_needs_pgtable_deposit(void)
{