On 29.07.25 19:00, Anthony PERARD wrote:
On Tue, Jul 29, 2025 at 01:01:41PM +0200, Juergen Gross wrote:In order to reactivate an event channel after kexec() of Mini-OS, libxenevtchn needs to allocate the port data for the event channel and set the handler again. Add a new interface xenevtchn_bind() for that purpose, available under Mini-OS only.Signed-off-by: Juergen Gross <jgr...@suse.com> Reviewed-by: Jason Andryuk <jason.andr...@amd.com> --- tools/include/xenevtchn.h | 11 +++++++++++ tools/libs/evtchn/minios.c | 17 +++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/tools/include/xenevtchn.h b/tools/include/xenevtchn.h index 1255c85178..113a718d67 100644 --- a/tools/include/xenevtchn.h +++ b/tools/include/xenevtchn.h @@ -173,6 +173,17 @@ int xenevtchn_unmask(xenevtchn_handle *xce, evtchn_port_t port); */ int xenevtchn_restrict(xenevtchn_handle *xce, domid_t domid);+/**+ * Bind an event channel under Mini-OS. + * + * Bind an event channel specified by its known port after a kexec() of + * Mini-OS. This function is available under Mini-OS only!Would guarding this prototype within "#ifdef __MINIOS__" be useful to prevent it from been used? That would give an error earlier when compiling, rather than later when linking a binary.
Yes, I can add that.
In anycase: Acked-by: Anthony PERARD <anthony.per...@vates.tech>
Thanks, Juergen
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