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authorThomas Zimmermann <tzimmermann@suse.de>2021-12-17 11:33:33 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2021-12-17 11:33:33 +0100
commit1758047057dbe329be712a31b79db7151b5871f8 (patch)
tree00203eb55328f2feda70b3d37c964287b364796f /drivers/tty/hvc/hvc_xen.c
parentbcae3af286f49bf4f6cda03f165fbe530f4a6bed (diff)
parent1c405ca11bf563de1725e5ecfb4a74ee289d2ee9 (diff)
Merge drm/drm-next into drm-misc-next-fixes
Backmerging to bring drm-misc-next-fixes up to the latest state for the current release cycle. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/tty/hvc/hvc_xen.c')
-rw-r--r--drivers/tty/hvc/hvc_xen.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 8f143c09a169..71e0dd2c0ce5 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -522,6 +522,7 @@ static struct xenbus_driver xencons_driver = {
.remove = xencons_remove,
.resume = xencons_resume,
.otherend_changed = xencons_backend_changed,
+ .not_essential = true,
};
#endif /* CONFIG_HVC_XEN_FRONTEND */
@@ -618,10 +619,8 @@ static int __init xenboot_console_setup(struct console *console, char *string)
{
static struct xencons_info xenboot;
- if (xen_initial_domain())
+ if (xen_initial_domain() || !xen_pv_domain())
return 0;
- if (!xen_pv_domain())
- return -ENODEV;
return xencons_info_pv_init(&xenboot, 0);
}
@@ -632,17 +631,16 @@ static void xenboot_write_console(struct console *console, const char *string,
unsigned int linelen, off = 0;
const char *pos;
+ if (dom0_write_console(0, string, len) >= 0)
+ return;
+
if (!xen_pv_domain()) {
xen_hvm_early_write(0, string, len);
return;
}
- dom0_write_console(0, string, len);
-
- if (xen_initial_domain())
+ if (domU_write_console(0, "(early) ", 8) < 0)
return;
-
- domU_write_console(0, "(early) ", 8);
while (off < len && NULL != (pos = strchr(string+off, '\n'))) {
linelen = pos-string+off;
if (off + linelen > len)