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0e8519c
2012 Feb 20
6
[PATCH] arm: restore ELR_hyp and SPSR_hyp on return from hypervisor to hypervisor.
This is necessary to handle nested traps to the hypervisor more than one deep.
I''ve not seen an actually failure relating to this but I''m not quite sure how
we''ve managed to get away with not doing it (I suppose multiply nested traps
are uncommon).
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
xen/arch/arm/entry.S | 4 ++++
1 files changed, 4