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authorPaul Mackerras <paulus@samba.org>2013-06-22 07:13:32 (GMT)
committerAlexander Graf <agraf@suse.de>2013-06-30 01:33:21 (GMT)
commit8ed7b7e9d2a4e208d3c94af3ddbc628317b30409 (patch)
treece910db4d2626eb1757b40c242133b2d3ce53564 /fs/f2fs
parent5f17ce8b954a2ff93f0460a2ae35d56285697d0f (diff)
downloadlinux-8ed7b7e9d2a4e208d3c94af3ddbc628317b30409.tar.xz
KVM: PPC: Book3S PR: Fix proto-VSID calculations
This makes sure the calculation of the proto-VSIDs used by PR KVM is done with 64-bit arithmetic. Since vcpu3s->context_id[] is int, when we do vcpu3s->context_id[0] << ESID_BITS the shift will be done with 32-bit instructions, possibly leading to significant bits getting lost, as the context id can be up to 524283 and ESID_BITS is 18. To fix this we cast the context id to u64 before shifting. Signed-off-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Alexander Graf <agraf@suse.de>
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