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authorPhilipp Rudo <prudo@linux.vnet.ibm.com>2017-09-05 11:55:23 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-04-16 09:10:22 +0200
commitee337f5469fd67f22d231e520ec4189ce0589d92 (patch)
tree7b2d0e72573aaca14b54520ffa2c59fbcfaac81a /arch/s390/kernel/kexec_image.c
parente49bb0a27fa3c6ec45cc13e2102a6ec13c4ae697 (diff)
s390/kexec_file: Add crash support to image loader
Add support to load a crash kernel to the image loader. This requires extending the purgatory. Signed-off-by: Philipp Rudo <prudo@linux.vnet.ibm.com> Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/kexec_image.c')
-rw-r--r--arch/s390/kernel/kexec_image.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/s390/kernel/kexec_image.c b/arch/s390/kernel/kexec_image.c
index 7f5021e6c242..3800852595e8 100644
--- a/arch/s390/kernel/kexec_image.c
+++ b/arch/s390/kernel/kexec_image.c
@@ -25,6 +25,8 @@ static int kexec_file_add_image_kernel(struct kimage *image,
buf.bufsz = kernel_len - STARTUP_NORMAL_OFFSET;
buf.mem = STARTUP_NORMAL_OFFSET;
+ if (image->type == KEXEC_TYPE_CRASH)
+ buf.mem += crashk_res.start;
buf.memsz = buf.bufsz;
ret = kexec_add_buffer(&buf);
@@ -43,10 +45,6 @@ static void *s390_image_load(struct kimage *image,
struct s390_load_data data = {0};
int ret;
- /* We don't support crash kernels yet. */
- if (image->type == KEXEC_TYPE_CRASH)
- return ERR_PTR(-ENOTSUPP);
-
ret = kexec_file_add_image_kernel(image, &data, kernel, kernel_len);
if (ret)
return ERR_PTR(ret);