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arm_gic_kvm: Disable live migration if not supported

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Currently, if the kernel does not have live migration API, the migration
will still be attempted, but vGIC save/restore functions will just not do
anything. This will result in a broken machine state.

This patch fixes the problem by adding migration blocker if kernel API is
not supported.

Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Pavel Fedin 2015-10-27 12:00:50 +00:00 • committed by Peter Maydell
parent b876452507
commit 24182fbc19
2 changed files with 12 additions and 11 deletions
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1
include/hw/intc/arm_gic_common.h
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@ -111,6 +111,7 @@ typedef struct GICState {
bool security_extn;
bool irq_reset_nonsecure; /* configure IRQs as group 1 (NS) on reset? */
int dev_fd; /* kvm device fd if backed by kvm vgic support */
Error *migration_blocker;
} GICState;
#define TYPE_ARM_GIC_COMMON "arm_gic_common"