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| author | Alexander Graf <agraf@suse.de> | 2011-07-08 13:40:10 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-09-25 18:52:18 +0200 |
| commit | db507c300ed6ce6e9fc71d4e19975d5abe01a7de (patch) | |
| tree | bd7e5fbc2ab5d326a5a9f1679c205763e027c90f /arch/powerpc/kvm | |
| parent | KVM: Restore missing powerpc API docs (diff) | |
| download | linux-db507c300ed6ce6e9fc71d4e19975d5abe01a7de.tar.xz linux-db507c300ed6ce6e9fc71d4e19975d5abe01a7de.zip | |
KVM: PPC: move compute_tlbie_rb to book3s common header
We need the compute_tlbie_rb in _pr and _hv implementations for papr
soon, so let's move it over to a common header file that both
implementations can leverage.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm')
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv_rm_mmu.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c index fcfe6b055558..bacb0cfa3602 100644 --- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c +++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c @@ -110,39 +110,6 @@ long kvmppc_h_enter(struct kvm_vcpu *vcpu, unsigned long flags, return H_SUCCESS; } -static unsigned long compute_tlbie_rb(unsigned long v, unsigned long r, - unsigned long pte_index) -{ - unsigned long rb, va_low; - - rb = (v & ~0x7fUL) << 16; /* AVA field */ - va_low = pte_index >> 3; - if (v & HPTE_V_SECONDARY) - va_low = ~va_low; - /* xor vsid from AVA */ - if (!(v & HPTE_V_1TB_SEG)) - va_low ^= v >> 12; - else - va_low ^= v >> 24; - va_low &= 0x7ff; - if (v & HPTE_V_LARGE) { - rb |= 1; /* L field */ - if (cpu_has_feature(CPU_FTR_ARCH_206) && - (r & 0xff000)) { - /* non-16MB large page, must be 64k */ - /* (masks depend on page size) */ - rb |= 0x1000; /* page encoding in LP field */ - rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */ - rb |= (va_low & 0xfe); /* AVAL field (P7 doesn't seem to care) */ - } - } else { - /* 4kB page */ - rb |= (va_low & 0x7ff) << 12; /* remaining 11b of VA */ - } - rb |= (v >> 54) & 0x300; /* B field */ - return rb; -} - #define LOCK_TOKEN (*(u32 *)(&get_paca()->lock_token)) static inline int try_lock_tlbie(unsigned int *lock) |