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authorPhilipp Rudo <prudo@linux.ibm.com>2020-05-12 19:39:56 +0200
committerVasily Gorbik <gor@linux.ibm.com>2020-05-14 23:21:37 +0200
commit70b690547d5ea1a3d135a4cc39cd1e08246d0c3a (patch)
treee1de840ec88a5bdd8505853e196f4a8cb060ed0c /arch
parentf058599e22d59e594e5aae1dc10560568d8f4a8b (diff)
s390/kexec_file: fix initrd location for kdump kernel
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 <lijiang@redhat.com> Signed-off-by: Philipp Rudo <prudo@linux.ibm.com> Tested-by: Lianbo Jiang <lijiang@redhat.com> Link: https://lore.kernel.org/r/20200512193956.15ae3f23@laptop2-ibm.local Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/kernel/machine_kexec_file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/machine_kexec_file.c b/arch/s390/kernel/machine_kexec_file.c
index 8415ae7d2a23..f9e4baa64b67 100644
--- 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 kimage *image,
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;