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| author |   Philipp Rudo <prudo@linux.ibm.com> | 2019-03-06 17:36:26 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-04-29 10:43:57 +0200 |
| commit | d0d249d75dda1b101624316a52d117be07b8ccff (patch) | |
| tree | aa53d33008dd6443ac9401c39a6a9f13d27446b5 /arch/s390/kernel/machine_kexec_file.c | |
| parent | s390/purgatory: Omit use of bin2c (diff) | |
| download | linux-dev-d0d249d75dda1b101624316a52d117be07b8ccff.tar.xz linux-dev-d0d249d75dda1b101624316a52d117be07b8ccff.zip | |
s390/kexec_file: Simplify parmarea access
Access the parmarea in head.S via a struct instead of individual offsets.
While at it make the fields in the parmarea .quads.
Signed-off-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/machine_kexec_file.c')
| -rw-r--r-- | arch/s390/kernel/machine_kexec_file.c | 23 |
1 files changed, 6 insertions, 17 deletions
diff --git a/arch/s390/kernel/machine_kexec_file.c b/arch/s390/kernel/machine_kexec_file.c index 32023b4f9dc0..8a85ecd8428c 100644 --- a/arch/s390/kernel/machine_kexec_file.c +++ b/arch/s390/kernel/machine_kexec_file.c @@ -25,24 +25,12 @@ int *kexec_file_update_kernel(struct kimage *image, if (image->cmdline_buf_len >= ARCH_COMMAND_LINE_SIZE) return ERR_PTR(-EINVAL); - if (image->cmdline_buf_len) - memcpy(data->kernel_buf + COMMAND_LINE_OFFSET, - image->cmdline_buf, image->cmdline_buf_len); + memcpy(data->parm->command_line, image->cmdline_buf, + image->cmdline_buf_len); if (image->type == KEXEC_TYPE_CRASH) { - loc = (unsigned long *)(data->kernel_buf + OLDMEM_BASE_OFFSET); - *loc = crashk_res.start; - - loc = (unsigned long *)(data->kernel_buf + OLDMEM_SIZE_OFFSET); - *loc = crashk_res.end - crashk_res.start + 1; - } - - if (image->initrd_buf) { - loc = (unsigned long *)(data->kernel_buf + INITRD_START_OFFSET); - *loc = data->initrd_load_addr; - - loc = (unsigned long *)(data->kernel_buf + INITRD_SIZE_OFFSET); - *loc = image->initrd_buf_len; + data->parm->oldmem_base = crashk_res.start; + data->parm->oldmem_size = crashk_res.end - crashk_res.start + 1; } return NULL; @@ -127,7 +115,8 @@ int kexec_file_add_initrd(struct kimage *image, struct s390_load_data *data, buf.mem += crashk_res.start; buf.memsz = buf.bufsz; - data->initrd_load_addr = buf.mem; + data->parm->initrd_start = buf.mem; + data->parm->initrd_size = buf.memsz; data->memsz += buf.memsz; ret = kexec_add_buffer(&buf); |