diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-09-15 01:30:55 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-09-19 22:01:56 +1000 |
| commit | 2e1626744e8da01eb5a2a0aaa3f365e41f1feb49 (patch) | |
| tree | c6cfa4d7777c2b16ceb42d72f85921409b003e1d /arch/powerpc/include | |
| parent | e83cbf7fb7d17618a5d8a415d5c7bb760812a5cb (diff) | |
powerpc/64s/hash: provide arch_setup_exec hooks for hash slice setup
This will be used by the SLB code in the next patch, but for now this
sets the slb_addr_limit to the correct size for 32-bit tasks.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/mmu-hash.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/slice.h | 1 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/thread_info.h | 6 |
3 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h index d3064c7d1b1f..bbeaf6adf93c 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h @@ -487,6 +487,8 @@ int htab_remove_mapping(unsigned long vstart, unsigned long vend, extern void pseries_add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages); extern void demote_segment_4k(struct mm_struct *mm, unsigned long addr); +extern void hash__setup_new_exec(void); + #ifdef CONFIG_PPC_PSERIES void hpte_init_pseries(void); #else diff --git a/arch/powerpc/include/asm/slice.h b/arch/powerpc/include/asm/slice.h index e40406cf5628..a595461c9cb0 100644 --- a/arch/powerpc/include/asm/slice.h +++ b/arch/powerpc/include/asm/slice.h @@ -32,6 +32,7 @@ void slice_set_range_psize(struct mm_struct *mm, unsigned long start, unsigned long len, unsigned int psize); void slice_init_new_context_exec(struct mm_struct *mm); +void slice_setup_new_exec(void); #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index 3c0002044bc9..f9a442bb5a72 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -72,6 +72,12 @@ static inline struct thread_info *current_thread_info(void) } extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src); + +#ifdef CONFIG_PPC_BOOK3S_64 +void arch_setup_new_exec(void); +#define arch_setup_new_exec arch_setup_new_exec +#endif + #endif /* __ASSEMBLY__ */ /* |