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| author | Alexander Egorenkov <egorenar@linux.ibm.com> | 2021-07-21 12:27:59 +0200 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2021-07-27 09:39:16 +0200 |
| commit | 455cac5028c410345d161344a3860f2a7b636885 (patch) | |
| tree | dd151a39ac13492ded592f4d58e885e815ffdf95 /arch/s390/kernel/asm-offsets.c | |
| parent | s390/setup: drop _OFFSET macros (diff) | |
| download | linux-455cac5028c410345d161344a3860f2a7b636885.tar.xz linux-455cac5028c410345d161344a3860f2a7b636885.zip | |
s390/setup: generate asm offsets from struct parmarea
To reduce duplication, replace error-prone and hard-coded parameter area
offsets with auto-generated ones.
Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/s390/kernel/asm-offsets.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 77ff2130cb04..8a6fdf0f5e91 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -152,5 +152,12 @@ int main(void) DEFINE(__KEXEC_SHA_REGION_SIZE, sizeof(struct kexec_sha_region)); /* sizeof kernel parameter area */ DEFINE(__PARMAREA_SIZE, sizeof(struct parmarea)); + /* kernel parameter area offsets */ + DEFINE(IPL_DEVICE, PARMAREA + offsetof(struct parmarea, ipl_device)); + DEFINE(INITRD_START, PARMAREA + offsetof(struct parmarea, initrd_start)); + DEFINE(INITRD_SIZE, PARMAREA + offsetof(struct parmarea, initrd_size)); + DEFINE(OLDMEM_BASE, PARMAREA + offsetof(struct parmarea, oldmem_base)); + DEFINE(OLDMEM_SIZE, PARMAREA + offsetof(struct parmarea, oldmem_size)); + DEFINE(COMMAND_LINE, PARMAREA + offsetof(struct parmarea, command_line)); return 0; } |