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x86/Xen: further refine add_preferred_console() invocations 

As the sequence of invocations matters, add "tty" only after "hvc" when
a VGA console is available (which is often the case for Dom0, but hardly
ever for DomU).

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Jan Beulich 2018-06-25 04:45:49 -06:00 committed by Boris Ostrovsky
parent f76c318c77
commit 71dc056359
1 changed files with 4 additions and 1 deletions
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5
arch/x86/xen/enlighten_pv.c
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@ -1385,8 +1385,11 @@ asmlinkage __visible void __init xen_start_kernel(void)
xen_boot_params_init_edd();
}
add_preferred_console("tty", 0, NULL);
if (!boot_params.screen_info.orig_video_isVGA)
add_preferred_console("tty", 0, NULL);
add_preferred_console("hvc", 0, NULL);
if (boot_params.screen_info.orig_video_isVGA)
add_preferred_console("tty", 0, NULL);
#ifdef CONFIG_PCI
/* PCI BIOS service won't work from a PV guest. */