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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2013-05-31 01:03:24 (GMT)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-05-31 22:29:26 (GMT)
commit0608d692463598c1d6e826d9dd7283381b4f246c (patch)
tree646aee0d04c866118215cfa9a7529108287309e2 /arch/powerpc/kernel/entry_32.S
parent280a5ba22ca35575721d42e536176a3561f4ec43 (diff)
downloadlinux-fsl-qoriq-0608d692463598c1d6e826d9dd7283381b4f246c.tar.xz
powerpc/mm: Always invalidate tlb on hpte invalidate and update
If a hash bucket gets full, we "evict" a more/less random entry from it. When we do that we don't invalidate the TLB (hpte_remove) because we assume the old translation is still technically "valid". This implies that when we are invalidating or updating pte, even if HPTE entry is not valid we should do a tlb invalidate. This was a regression introduced by b1022fbd293564de91596b8775340cf41ad5214c Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/entry_32.S')
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