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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-12-18 19:13:42 +0000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-12-21 14:21:16 +1100 |
| commit | 2a4aca1144394653269720ffbb5a325a77abd5fa (patch) | |
| tree | 553bbcbb294ac5923f72430b7317b5c80a27141c /arch/powerpc/kvm/powerpc.c | |
| parent | f048aace29e007f2b642097e2da8231e0e9cce2d (diff) | |
| download | kernel_samsung_smdk4412-2a4aca1144394653269720ffbb5a325a77abd5fa.zip kernel_samsung_smdk4412-2a4aca1144394653269720ffbb5a325a77abd5fa.tar.gz kernel_samsung_smdk4412-2a4aca1144394653269720ffbb5a325a77abd5fa.tar.bz2 | |
powerpc/mm: Split low level tlb invalidate for nohash processors
Currently, the various forms of low level TLB invalidations are all
implemented in misc_32.S for 32-bit processors, in a fairly scary
mess of #ifdef's and with interesting duplication such as a whole
bunch of code for FSL _tlbie and _tlbia which are no longer used.
This moves things around such that _tlbie is now defined in
hash_low_32.S and is only used by the 32-bit hash code, and all
nohash CPUs use the various _tlbil_* forms that are now moved to
a new file, tlb_nohash_low.S.
I moved all the definitions for that stuff out of
include/asm/tlbflush.h as they are really internal mm stuff, into
mm/mmu_decl.h
The code should have no functional changes. I kept some variants
inline for trivial forms on things like 40x and 8xx.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kvm/powerpc.c')
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index fda9baa..eb955d7 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -330,7 +330,7 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) /* XXX It would be nice to differentiate between heavyweight exit and * sched_out here, since we could avoid the TLB flush for heavyweight * exits. */ - _tlbia(); + _tlbil_all(); } int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu, |