From: Philipp Rudo <[email protected]>
commit 70b690547d5ea1a3d135a4cc39cd1e08246d0c3a upstream.
initrd_start must not point at the location the initrd is loaded into
the crashkernel memory but at the location it will be after the
crashkernel memory is swapped with the memory at 0.
Fixes: ee337f5469fd ("s390/kexec_file: Add crash support to image loader")
Reported-by: Lianbo Jiang <[email protected]>
Signed-off-by: Philipp Rudo <[email protected]>
Tested-by: Lianbo Jiang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Christian Borntraeger <[email protected]>
Signed-off-by: Vasily Gorbik <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/s390/kernel/machine_kexec_file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/s390/kernel/machine_kexec_file.c
+++ b/arch/s390/kernel/machine_kexec_file.c
@@ -151,7 +151,7 @@ static int kexec_file_add_initrd(struct
buf.mem += crashk_res.start;
buf.memsz = buf.bufsz;
- data->parm->initrd_start = buf.mem;
+ data->parm->initrd_start = data->memsz;
data->parm->initrd_size = buf.memsz;
data->memsz += buf.memsz;
