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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-12-18 19:13:42 +0000
committerPaul Mackerras <paulus@samba.org>2008-12-21 14:21:16 +1100
commit2a4aca1144394653269720ffbb5a325a77abd5fa (patch)
tree553bbcbb294ac5923f72430b7317b5c80a27141c /arch/powerpc/kvm
parentf048aace29e007f2b642097e2da8231e0e9cce2d (diff)
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')
-rw-r--r--arch/powerpc/kvm/powerpc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index fda9baada13..eb955d755c9 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,