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| author |   Nicholas Piggin <npiggin@gmail.com> | 2018-07-05 18:47:00 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-07-16 11:37:21 +1000 |
| commit | 2bf1071a8d50928a4ae366bb3108833166c2b70c (patch) | |
| tree | ebffef07f7ebbb9bb1ba231c4cb8ff00cc6fd795 /arch/powerpc/mm/tlb-radix.c | |
| parent | Linux 4.18-rc1 (diff) | |
| download | linux-dev-2bf1071a8d50928a4ae366bb3108833166c2b70c.tar.xz linux-dev-2bf1071a8d50928a4ae366bb3108833166c2b70c.zip | |
powerpc/64s: Remove POWER9 DD1 support
POWER9 DD1 was never a product. It is no longer supported by upstream
firmware, and it is not effectively supported in Linux due to lack of
testing.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
[mpe: Remove arch_make_huge_pte() entirely]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/tlb-radix.c')
| -rw-r--r-- | arch/powerpc/mm/tlb-radix.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index 67a6e86d3e7e..902767b8a9c1 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -994,24 +994,6 @@ void radix__flush_tlb_all(void) asm volatile("eieio; tlbsync; ptesync": : :"memory"); } -void radix__flush_tlb_pte_p9_dd1(unsigned long old_pte, struct mm_struct *mm, - unsigned long address) -{ - /* - * We track page size in pte only for DD1, So we can - * call this only on DD1. - */ - if (!cpu_has_feature(CPU_FTR_POWER9_DD1)) { - VM_WARN_ON(1); - return; - } - - if (old_pte & R_PAGE_LARGE) - radix__flush_tlb_page_psize(mm, address, MMU_PAGE_2M); - else - radix__flush_tlb_page_psize(mm, address, mmu_virtual_psize); -} - #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE extern void radix_kvm_prefetch_workaround(struct mm_struct *mm) { |