In order to avoid migration issues, we enable DISCARD and WRITE_ZEROES features only for machine type >= 4.0 As discussed with Michael S. Tsirkin and Stefan Hajnoczi on the list [1], DISCARD operation should not have security implications (eg. page cache attacks), so we can enable it by default. [1] https://lists.gnu.org/archive/html/qemu-devel/2019-02/msg00504.html Suggested-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Message-id: 20190221103314.58500-4-sgarzare@redhat.com Message-Id: <20190221103314.58500-4-sgarzare@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> |
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.. | ||
bus.c | ||
empty_slot.c | ||
fw-path-provider.c | ||
generic-loader.c | ||
hotplug.c | ||
irq.c | ||
loader-fit.c | ||
loader.c | ||
machine.c | ||
Makefile.objs | ||
nmi.c | ||
null-machine.c | ||
or-irq.c | ||
platform-bus.c | ||
ptimer.c | ||
qdev-fw.c | ||
qdev-properties-system.c | ||
qdev-properties.c | ||
qdev.c | ||
register.c | ||
reset.c | ||
split-irq.c | ||
stream.c | ||
sysbus.c | ||
uboot_image.h |