diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-05-09 05:20:18 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-05-17 04:13:29 +0300 |
| commit | 0078778a86b14f85bf50e96d9ddeb3b70b55805d (patch) | |
| tree | b94da9bda126c106241918d4056cb9579bf1c119 /arch/powerpc/include/asm/book3s | |
| parent | 21828c99ee91bec94c3d2c32b3d5562ffdea980a (diff) | |
| download | linux-0078778a86b14f85bf50e96d9ddeb3b70b55805d.tar.xz | |
powerpc/mm/radix: implement LPID based TLB flushes to be used by KVM
Implement a local TLB flush for invalidating an LPID with variants for
process or partition scope. And a global TLB flush for invalidating
a partition scoped page of an LPID.
These will be used by KVM in subsequent patches.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/book3s')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/tlbflush-radix.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h index 19b45ba6caf9..ef5c3f2994c9 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h @@ -51,4 +51,11 @@ extern void radix__flush_tlb_all(void); extern void radix__flush_tlb_pte_p9_dd1(unsigned long old_pte, struct mm_struct *mm, unsigned long address); +extern void radix__flush_tlb_lpid_page(unsigned int lpid, + unsigned long addr, + unsigned long page_size); +extern void radix__flush_pwc_lpid(unsigned int lpid); +extern void radix__local_flush_tlb_lpid(unsigned int lpid); +extern void radix__local_flush_tlb_lpid_guest(unsigned int lpid); + #endif |