gt; the special watches will receive those special watch events for the
> registered "/" watch.
>
> Fix that by calling the related fire_watches() with the "exact"
> parameter set to true, causing a mismatch for the "/" node.
>
> Reported-by: Raphae
Hi Juergen,
On 27/04/2022 08:30, Juergen Gross wrote:
> [...]
>> The xenstore documentation is not clear about whether @ should be
>> considered children of /. But I find it counterintuitive that clients may be
>> notified about a special event without explicitly subscribing to it. Is it a
>> b
While reading C xenstored code, I noticed that it may send special events like
@releaseDomain to (privileged) clients that only watch the root node (/).
That's probably not the intended behaviour.
For example, when firing @releaseDomain, fire_watches() is called with exact ==
false:
https://gi
From: Raphael Ning
Currently, my_exec() does not expect the Xen KEXEC_CMD_kexec hypercall
to return on success, because it assumes that the hypercall always
triggers an immediate reboot. However, for Live Update, the hypercall
merely schedules the kexec operation and returns; the actual reboot
On 23/03/2022 14:08, Simon Horman wrote:
> Hi Raphael,
> thanks for your patch. Overall I think this is good.
>
> Unfortunately I am seeing a build failure with this patch applied.
>
> ../../kexec/kexec-xen.c:292:6: error: conflicting types for ‘xen_kexec_exec’
> 292 | void xen_kexec_exec(uint
On 17/03/2022 14:26, Luca Fancellu wrote:
> I’ve tested on the ARM side, I’ve started/destroyed few guests from Dom0,
> connect to the console, run
> some network communications between guest and Dom0, everything works:
>
> Tested-by: Luca Fancellu
Thanks! I tested on x86 (in a QEMU VM) by l
On 16/03/2022 18:58, Andrew Cooper wrote:
> On 16/03/2022 18:38, Raphael Ning wrote:
>> From: Raphael Ning
>>
>> Currently, evtchn_fifo_set_pending() will mark the event as PENDING even
>> if it fails to lock the FIFO event queue(s), or if the guest has not
>> i
From: Raphael Ning
Currently, evtchn_fifo_set_pending() will mark the event as PENDING even
if it fails to lock the FIFO event queue(s), or if the guest has not
initialized the FIFO control block for the target vCPU. A well-behaved
guest should never trigger either of these cases.
There is no
From: Raphael Ning
Currently, my_exec() does not expect the Xen KEXEC_CMD_kexec hypercall
to return on success, because it assumes that the hypercall always
triggers an immediate reboot. However, for Live Update, the hypercall
merely schedules the kexec operation and returns; the actual reboot
From: Raphael Ning
Unlike xen_kexec_load(), xen_kexec_unload() and xen_kexec_status()
fail to distinguish between normal kexec and Xen Live Update image
types.
Fix that by introducing a new helper function that maps internal
flags to KEXEC_TYPE_*, and using it throughout kexec-xen.c.
Signed
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