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| author | Juergen Gross <jgross@suse.com> | 2021-10-22 08:47:56 +0200 |
|---|---|---|
| committer | Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2021-11-23 13:41:29 -0600 |
| commit | 37a72b08a3e1eb28053214dd8211eb09c2fd3187 (patch) | |
| tree | 2e9c964969b4608d467dbfbb8fa16e784d0542f8 /drivers/video | |
| parent | 2a0991929aba0a3dd6fe51d1daba06a93a96a021 (diff) | |
| download | linux-37a72b08a3e1eb28053214dd8211eb09c2fd3187.tar.gz | |
xen: add "not_essential" flag to struct xenbus_driver
When booting the xenbus driver will wait for PV devices to have connected to their backends before continuing. The timeout is different between essential and non-essential devices. Non-essential devices are identified by their nodenames directly in the xenbus driver, which requires to update this list in case a new device type being non-essential is added (this was missed for several types in the past). In order to avoid this problem, add a "not_essential" flag to struct xenbus_driver which can be set to "true" by the respective frontend. Set this flag for the frontends currently regarded to be not essential (vkbs and vfb) and use it for testing in the xenbus driver. Signed-off-by: Juergen Gross <jgross@suse.com> Link: https://lore.kernel.org/r/20211022064800.14978-2-jgross@suse.com Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/xen-fbfront.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c index 5ec51445bee8..6826f986da43 100644 --- a/drivers/video/fbdev/xen-fbfront.c +++ b/drivers/video/fbdev/xen-fbfront.c @@ -695,6 +695,7 @@ static struct xenbus_driver xenfb_driver = { .remove = xenfb_remove, .resume = xenfb_resume, .otherend_changed = xenfb_backend_changed, + .not_essential = true, }; static int __init xenfb_init(void) |