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Diffstat (limited to 'arch/powerpc/mm/tlb-radix.c')
-rw-r--r--arch/powerpc/mm/tlb-radix.c32
1 files changed, 28 insertions, 4 deletions
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c
index 48df05ef5231..bda8c43be78a 100644
--- a/arch/powerpc/mm/tlb-radix.c
+++ b/arch/powerpc/mm/tlb-radix.c
@@ -175,7 +175,7 @@ void radix__flush_tlb_mm(struct mm_struct *mm)
if (unlikely(pid == MMU_NO_CONTEXT))
goto no_context;
- if (!mm_is_core_local(mm)) {
+ if (!mm_is_thread_local(mm)) {
int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE);
if (lock_tlbie)
@@ -201,7 +201,7 @@ void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr)
if (unlikely(pid == MMU_NO_CONTEXT))
goto no_context;
- if (!mm_is_core_local(mm)) {
+ if (!mm_is_thread_local(mm)) {
int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE);
if (lock_tlbie)
@@ -226,7 +226,7 @@ void radix__flush_tlb_page_psize(struct mm_struct *mm, unsigned long vmaddr,
pid = mm ? mm->context.id : 0;
if (unlikely(pid == MMU_NO_CONTEXT))
goto bail;
- if (!mm_is_core_local(mm)) {
+ if (!mm_is_thread_local(mm)) {
int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE);
if (lock_tlbie)
@@ -321,7 +321,7 @@ void radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start,
{
unsigned long pid;
unsigned long addr;
- int local = mm_is_core_local(mm);
+ int local = mm_is_thread_local(mm);
unsigned long ap = mmu_get_ap(psize);
int lock_tlbie = !mmu_has_feature(MMU_FTR_LOCKLESS_TLBIE);
unsigned long page_size = 1UL << mmu_psize_defs[psize].shift;
@@ -400,3 +400,27 @@ void radix__flush_pmd_tlb_range(struct vm_area_struct *vma,
radix__flush_tlb_range_psize(vma->vm_mm, start, end, MMU_PAGE_2M);
}
EXPORT_SYMBOL(radix__flush_pmd_tlb_range);
+
+void radix__flush_tlb_all(void)
+{
+ unsigned long rb,prs,r,rs;
+ unsigned long ric = RIC_FLUSH_ALL;
+
+ rb = 0x3 << PPC_BITLSHIFT(53); /* IS = 3 */
+ prs = 0; /* partition scoped */
+ r = 1; /* raidx format */
+ rs = 1 & ((1UL << 32) - 1); /* any LPID value to flush guest mappings */
+
+ asm volatile("ptesync": : :"memory");
+ /*
+ * now flush guest entries by passing PRS = 1 and LPID != 0
+ */
+ asm volatile(PPC_TLBIE_5(%0, %4, %3, %2, %1)
+ : : "r"(rb), "i"(r), "i"(1), "i"(ric), "r"(rs) : "memory");
+ /*
+ * now flush host entires by passing PRS = 0 and LPID == 0
+ */
+ asm volatile(PPC_TLBIE_5(%0, %4, %3, %2, %1)
+ : : "r"(rb), "i"(r), "i"(prs), "i"(ric), "r"(0) : "memory");
+ asm volatile("eieio; tlbsync; ptesync": : :"memory");
+}
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