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-rw-r--r--arch/x86/boot/compressed/eboot.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index ef17683484e9..48304b89b601 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -1109,6 +1109,8 @@ struct boot_params *make_boot_params(struct efi_config *c)
if (!cmdline_ptr)
goto fail;
hdr->cmd_line_ptr = (unsigned long)cmdline_ptr;
+ /* Fill in upper bits of command line address, NOP on 32 bit */
+ boot_params->ext_cmd_line_ptr = (u64)(unsigned long)cmdline_ptr >> 32;
hdr->ramdisk_image = 0;
hdr->ramdisk_size = 0;