Commit 1e83396f authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

powerpc/32s: Inline flush_tlb_range() and flush_tlb_kernel_range()



flush_tlb_range() and flush_tlb_kernel_range() are trivial calls to
flush_range().

Make flush_range() global and inline flush_tlb_range()
and flush_tlb_kernel_range().

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c7029a78e78709ad9272d7a44260e06b649169b2.1603348103.git.christophe.leroy@csgroup.eu
parent fd1b4b7f
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+12 −3
Original line number Diff line number Diff line
@@ -8,9 +8,7 @@
 */
void hash__flush_tlb_mm(struct mm_struct *mm);
void hash__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
			    unsigned long end);
extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
void flush_range(struct mm_struct *mm, unsigned long start, unsigned long end);

#ifdef CONFIG_SMP
void _tlbie(unsigned long address);
@@ -38,6 +36,17 @@ static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmad
		_tlbie(vmaddr);
}

static inline void
flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
{
	flush_range(vma->vm_mm, start, end);
}

static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
	flush_range(&init_mm, start, end);
}

static inline void local_flush_tlb_page(struct vm_area_struct *vma,
					unsigned long vmaddr)
{
+7 −23
Original line number Diff line number Diff line
@@ -71,8 +71,12 @@ void tlb_flush(struct mmu_gather *tlb)
 *    -- Cort
 */

static void flush_range(struct mm_struct *mm, unsigned long start,
			unsigned long end)
/*
 * For each address in the range, find the pte for the address
 * and check _PAGE_HASHPTE bit; if it is set, find and destroy
 * the corresponding HPTE.
 */
void flush_range(struct mm_struct *mm, unsigned long start, unsigned long end)
{
	pmd_t *pmd;
	unsigned long pmd_end;
@@ -105,15 +109,7 @@ static void flush_range(struct mm_struct *mm, unsigned long start,
		++pmd;
	}
}

/*
 * Flush kernel TLB entries in the given range
 */
void flush_tlb_kernel_range(unsigned long start, unsigned long end)
{
	flush_range(&init_mm, start, end);
}
EXPORT_SYMBOL(flush_tlb_kernel_range);
EXPORT_SYMBOL(flush_range);

/*
 * Flush all the (user) entries for the address space described by mm.
@@ -145,18 +141,6 @@ void hash__flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr)
}
EXPORT_SYMBOL(hash__flush_tlb_page);

/*
 * For each address in the range, find the pte for the address
 * and check _PAGE_HASHPTE bit; if it is set, find and destroy
 * the corresponding HPTE.
 */
void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
		     unsigned long end)
{
	flush_range(vma->vm_mm, start, end);
}
EXPORT_SYMBOL(flush_tlb_range);

void __init early_init_mmu(void)
{
}