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KVM: PPC: Graciously fail broken LE hypercalls
authorAlexander Graf <agraf@suse.de>
Tue, 13 May 2014 15:05:51 +0000 (17:05 +0200)
committerAlexander Graf <agraf@suse.de>
Fri, 30 May 2014 12:26:26 +0000 (14:26 +0200)
commit42188365f92c2d6bc89c9441a5e9305c1354e8a6
treee9d3807282dab044e0c6c3cfcfed13687cf13991tree | snapshot
parent235959be9a7054151eaad692040d4a22bb6217fbcommit | diff
KVM: PPC: Graciously fail broken LE hypercalls

There are LE Linux guests out there that don't handle hypercalls correctly.
Instead of interpreting the instruction stream from device tree as big endian
they assume it's a little endian instruction stream and fail.

When we see an illegal instruction from such a byte reversed instruction stream,
bail out graciously and just declare every hcall as error.

Signed-off-by: Alexander Graf <agraf@suse.de>
arch/powerpc/kvm/book3s_emulate.c diff | blob | history
Domain: System / Kernel;