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Olaf Hering 254d1a3f02 xen/pv-on-hvm kexec: shutdown watches from old kernel ... Add xs_reset_watches function to shutdown watches from old kernel after kexec boot. The old kernel does not unregister all watches in the shutdown path. They are still active, the double registration can not be detected by the new kernel. When the watches fire, unexpected events will arrive and the xenwatch thread will crash (jumps to NULL). An orderly reboot of a hvm guest will destroy the entire guest with all its resources (including the watches) before it is rebuilt from scratch, so the missing unregister is not an issue in that case. With this change the xenstored is instructed to wipe all active watches for the guest. However, a patch for xenstored is required so that it accepts the XS_RESET_WATCHES request from a client (see changeset 23839:42a45baf037d in xen-unstable.hg). Without the patch for xenstored the registration of watches will fail and some features of a PVonHVM guest are not available. The guest is still able to boot, but repeated kexec boots will fail. Signed-off-by: Olaf Hering <olaf@aepfle.de> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>		13 years ago
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hvm	hvc_xen: support PV on HVM consoles	13 years ago
io	xen/pv-on-hvm kexec: shutdown watches from old kernel	13 years ago
callback.h	…
elfnote.h	Fix common misspellings	14 years ago
event_channel.h	xen: clean up asm/xen/hypervisor.h	16 years ago
features.h	xen: support GSI -> pirq remapping in PV on HVM guests	14 years ago
grant_table.h	xen/granttable: Introducing grant table V2 stucture	13 years ago
memory.h	xen: implement XENMEM_machphys_mapping	14 years ago
physdev.h	xen: support pirq_eoi_map	13 years ago
platform.h	xen/pcpu: Xen physical cpus online/offline sys interface	13 years ago
sched.h	watchdog: Xen watchdog driver	14 years ago
vcpu.h	…
version.h	xen: add /sys/hypervisor support	16 years ago
xen-mca.h	xen/mce: Add mcelog support for Xen platform	13 years ago
xen.h	xen/pcpu: Xen physical cpus online/offline sys interface	13 years ago
xencomm.h	…