diff options
Diffstat (limited to 'arch/s390/include/asm/sections.h')
| -rw-r--r-- | arch/s390/include/asm/sections.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sections.h b/arch/s390/include/asm/sections.h index 724faede8ac5..7afe4620685c 100644 --- a/arch/s390/include/asm/sections.h +++ b/arch/s390/include/asm/sections.h @@ -4,4 +4,16 @@ #include <asm-generic/sections.h> +/* + * .boot.data section contains variables "shared" between the decompressor and + * the decompressed kernel. The decompressor will store values in them, and + * copy over to the decompressed image before starting it. + * + * Each variable end up in its own intermediate section .boot.data.<var name>, + * those sections are later sorted by alignment + name and merged together into + * final .boot.data section, which should be identical in the decompressor and + * the decompressed kernel (that is checked during the build). + */ +#define __bootdata(var) __section(.boot.data.var) var + #endif |