[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]
Subject: Re: [virtio-comment] [PATCH] content: Reserve virtio-watchog device ID
Rob Bradford <robert.bradford@intel.com> writes: > Reserve an ID for a watchdog device which may be used to ensure that the > guest is responsive. This is equivalent of a hardware watchdog device > and will trigger the reboot of the guest if the the host does not > periodic ping from the the guest. Out of interest is your watchdog device also going to allow for straight power/reset control? The use case I'm thinking of is QEMU's -m virt machine which is a purely virtual machine which is a target for a number of firmware/bootcode projects. QEMU provides a firmware emulation that will do the right thing if you issue PSCI supervisor calls and you have directly loaded a kernel. However if you are testing firmware - for example EDK2 or Arm Trusted Firmware it is expected to make the final hw appropriate twiddle to reboot the machine and of course that is undefined for -m virt. > Signed-off-by: Rob Bradford <robert.bradford@intel.com> Reviewed-by: Alex BennÃe <alex.bennee@linaro.org> -- Alex BennÃe
[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]