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[Qemu-devel] [PATCH 0/3] balloon: error if guest driver is not initialis
[Qemu-devel] [PATCH 0/3] balloon: error if guest driver is not initialised
Fri, 9 Dec 2011 17:19:35 +0530
These patches make qemu generate an error on failure in setting a
(qemu) balloon 400
Device 'balloon' has not been activated
This can happen when the guest hasn't yet loaded a balloon driver.
Previously, such a ballooning attempt didn't produce an error, but the
virtio-balloon driver remembered the value nevertheless, causing a
module load in the guest using the attempted balloon value
originally. This may not be the desired course of action.
I've re-used the QERR_DEVICE_NOT_ACTIVE error message, I think it fits
in this case too. If not, let me know and I'll change it to something
Please review and apply.
Amit Shah (3):
balloon: Make functions return 0 on OK, -1 on error.
balloon: report error if ballooning operation fails
virtio-balloon: report error if balloon driver in guest not available
balloon.c | 19 ++++++++++++-------
balloon.h | 2 +-
hw/virtio-balloon.c | 6 +++++-
3 files changed, 18 insertions(+), 9 deletions(-)
- [Qemu-devel] [PATCH 0/3] balloon: error if guest driver is not initialised,
Amit Shah <=