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(parent: 1287cb3) | patch
KVM: PPC: Deflect page write faults properly in kvmppc_st
authorAlexander Graf <agraf@suse.de>
Thu, 10 Jul 2014 17:19:35 +0000 (19:19 +0200)
committerAlexander Graf <agraf@suse.de>
Mon, 28 Jul 2014 13:23:10 +0000 (15:23 +0200)
commit17824b5afcf273f6fc3e04df2d2a9d90d5c864fd
treee14a6a7852f16fd0b68b3339c43ed042bf514856tree | snapshot
parent1287cb3fa85cd4a0d18402f6a23e1d4c6a9d7b8bcommit | diff
KVM: PPC: Deflect page write faults properly in kvmppc_st

When we have a page that we're not allowed to write to, xlate() will already
tell us -EPERM on lookup of that page. With the code as is we change it into
a "page missing" error which a guest may get confused about. Instead, just
tell the caller about the -EPERM directly.

This fixes Mac OS X guests when run with DCBZ32 emulation.

Signed-off-by: Alexander Graf <agraf@suse.de>
arch/powerpc/kvm/book3s.c diff | blob | history
kernel
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