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| author | Gerald Schaefer <gerald.schaefer@de.ibm.com> | 2019-02-03 21:35:45 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-04-29 10:47:10 +0200 |
| commit | 805bc0bc238f7209fca5e39c152b0d3c12046ac9 (patch) | |
| tree | 97edfcee4981bc71c2e6a9dc853353010ac4fa94 /arch/s390/include/asm/kexec.h | |
| parent | s390: enable processes for mio instructions (diff) | |
| download | linux-805bc0bc238f7209fca5e39c152b0d3c12046ac9.tar.xz linux-805bc0bc238f7209fca5e39c152b0d3c12046ac9.zip | |
s390/kernel: build a relocatable kernel
This patch adds support for building a relocatable kernel with -fPIE.
The kernel will be relocated to 0 early in the boot process.
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Reviewed-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/kexec.h')
| -rw-r--r-- | arch/s390/include/asm/kexec.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h index 305d3465574f..ea398a05f643 100644 --- a/arch/s390/include/asm/kexec.h +++ b/arch/s390/include/asm/kexec.h @@ -71,6 +71,8 @@ int s390_verify_sig(const char *kernel, unsigned long kernel_len); void *kexec_file_add_components(struct kimage *image, int (*add_kernel)(struct kimage *image, struct s390_load_data *data)); +int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val, + unsigned long addr); extern const struct kexec_file_ops s390_kexec_image_ops; extern const struct kexec_file_ops s390_kexec_elf_ops; |