From ee337f5469fd67f22d231e520ec4189ce0589d92 Mon Sep 17 00:00:00 2001 From: Philipp Rudo Date: Tue, 5 Sep 2017 11:55:23 +0200 Subject: 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 Reviewed-by: Martin Schwidefsky Signed-off-by: Martin Schwidefsky --- arch/s390/kernel/kexec_image.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'arch/s390/kernel/kexec_image.c') 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); -- cgit v1.2.3