diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-07-13 11:36:37 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-08-01 03:15:08 +0200 |
| commit | 138ee7ee0186dec230dde0c0774dbf5d310bdc39 (patch) | |
| tree | a0e0b9ca49d622a5097b680b6e399f66eba27c0a /arch/powerpc/include | |
| parent | powerpc/mm/radix: Implement tlb mmu gather flush efficiently (diff) | |
| download | linux-138ee7ee0186dec230dde0c0774dbf5d310bdc39.tar.xz linux-138ee7ee0186dec230dde0c0774dbf5d310bdc39.zip | |
powerpc/mm/hash: Add helper for finding SLBE LLP encoding
Replace opencoding of the same at multiple places with the helper.
No functional change with this patch.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.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 | 9 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_book3s_64.h | 3 |
2 files changed, 10 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h index 032e9f0bc708..287a656ceb57 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h @@ -191,6 +191,15 @@ static inline unsigned int mmu_psize_to_shift(unsigned int mmu_psize) BUG(); } +static inline unsigned long get_sllp_encoding(int psize) +{ + unsigned long sllp; + + sllp = ((mmu_psize_defs[psize].sllp & SLB_VSID_L) >> 6) | + ((mmu_psize_defs[psize].sllp & SLB_VSID_LP) >> 4); + return sllp; +} + #endif /* __ASSEMBLY__ */ /* diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h index 1f4497fb5b83..88d17b4ea9c8 100644 --- a/arch/powerpc/include/asm/kvm_book3s_64.h +++ b/arch/powerpc/include/asm/kvm_book3s_64.h @@ -181,8 +181,7 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, switch (b_psize) { case MMU_PAGE_4K: - sllp = ((mmu_psize_defs[a_psize].sllp & SLB_VSID_L) >> 6) | - ((mmu_psize_defs[a_psize].sllp & SLB_VSID_LP) >> 4); + sllp = get_sllp_encoding(a_psize); rb |= sllp << 5; /* AP field */ rb |= (va_low & 0x7ff) << 12; /* remaining 11 bits of AVA */ break; |