earlyprint=efi,keep results a kernel hang after "Freeing unused kernel memory"
Actually efi earlyprintk is using __init functions such as early_ioremap etc.
Thus efi earlyconsole can not be kept.
So just ignore it and give out a warning to user.
Signed-off-by: Dave Young <dyo...@redhat.com>
---
arch/x86/kernel/early_printk.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
Index: linux-2.6/arch/x86/kernel/early_printk.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/early_printk.c
+++ linux-2.6/arch/x86/kernel/early_printk.c
@@ -237,8 +237,11 @@ static int __init setup_early_printk(cha
}
#endif
#ifdef CONFIG_EARLY_PRINTK_EFI
- if (!strncmp(buf, "efi", 3))
- early_console_register(&early_efi_console, keep);
+ if (!strncmp(buf, "efi", 3)) {
+ if (keep)
+ pr_warn("Ignoring ,keep for earlyprintk=efi\n");
+ early_console_register(&early_efi_console, 0);
+ }
#endif
buf++;
--
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