We use a timer to poll the network.
iPXE is used for booting from iSCSI drives. It has been changed to run at
TPL_CALLBACK most of the time (which is not what the UEFI spec
recommends).
By changing our timer to TPL_NOTIFY we can ensure that it is nevertheless
executed.
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
lib/efi_loader/efi_net.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/efi_loader/efi_net.c b/lib/efi_loader/efi_net.c
index b88dc91f58..3d860e658e 100644
--- a/lib/efi_loader/efi_net.c
+++ b/lib/efi_loader/efi_net.c
@@ -353,8 +353,10 @@ efi_status_t efi_net_register(void)
*
* The notification function is used to check if a new network packet
* has been received.
+ *
+ * iPXE is running at TPL_CALLBACK most of the time. Use a higher TPL.
*/
- r = efi_create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_CALLBACK,
+ r = efi_create_event(EVT_TIMER | EVT_NOTIFY_SIGNAL, TPL_NOTIFY,
efi_network_timer_notify, NULL, NULL,
&network_timer_event);
if (r != EFI_SUCCESS) {
--
2.14.2
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