diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2014-11-02 18:45:28 +0300 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-12-02 06:10:11 +0300 |
| commit | d557b09800dab5dd6804e5b79324069abcf0be11 (patch) | |
| tree | cb28d3966042edb834d23341d9f98bdf95c1646c /arch/powerpc/include | |
| parent | f1581bf14bc40b4a14bf10358eac0b22173b3313 (diff) | |
| download | linux-d557b09800dab5dd6804e5b79324069abcf0be11.tar.xz | |
powerpc/mm/thp: Use tlbiel if possible
If we know that user address space has never executed on other cpus
we could use tlbiel.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/machdep.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/tlbflush.h | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index 15c9150a58cc..e5c0919acca4 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -60,7 +60,7 @@ struct machdep_calls { void (*hugepage_invalidate)(unsigned long vsid, unsigned long addr, unsigned char *hpte_slot_array, - int psize, int ssize); + int psize, int ssize, int local); /* special for kexec, to be called in real mode, linear mapping is * destroyed as well */ void (*hpte_clear_all)(void); diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h index 19550d346fea..4d3ecd8d8929 100644 --- a/arch/powerpc/include/asm/tlbflush.h +++ b/arch/powerpc/include/asm/tlbflush.h @@ -128,7 +128,8 @@ extern void flush_hash_page(unsigned long vpn, real_pte_t pte, int psize, int ssize, int local); extern void flush_hash_range(unsigned long number, int local); extern void flush_hash_hugepage(unsigned long vsid, unsigned long addr, - pmd_t *pmdp, unsigned int psize, int ssize); + pmd_t *pmdp, unsigned int psize, int ssize, + int local); static inline void local_flush_tlb_mm(struct mm_struct *mm) { |