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authorAlexander Gordeev <agordeev@linux.ibm.com>2023-08-16 15:29:42 +0200
committerHeiko Carstens <hca@linux.ibm.com>2023-08-18 15:08:12 +0200
commit979fe44af819d76fc02a5a97ad1cb74f7d83578e (patch)
treec74f17b0d6f82bff14470e600a89347069552dda /arch/s390/kernel/machine_kexec_file.c
parent386cb81e4ba7811573765aaaeb91b472639c2bae (diff)
s390/ipl: fix virtual vs physical address confusion
The value of ipl_cert_list_addr boot variable contains a physical address, which is used directly. That works because virtual and physical address spaces are currently the same, but otherwise it is wrong. While at it, fix also a comment for the platform keyring. Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> Acked-by: Jarkko Sakkinen <jarkko@kernel.org> Link: https://lore.kernel.org/r/20230816132942.2540411-1-agordeev@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/kernel/machine_kexec_file.c')
-rw-r--r--arch/s390/kernel/machine_kexec_file.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/kernel/machine_kexec_file.c b/arch/s390/kernel/machine_kexec_file.c
index 2df94d32140c..8d207b82d9fe 100644
--- a/arch/s390/kernel/machine_kexec_file.c
+++ b/arch/s390/kernel/machine_kexec_file.c
@@ -188,7 +188,7 @@ static int kexec_file_add_ipl_report(struct kimage *image,
data->memsz = ALIGN(data->memsz, PAGE_SIZE);
buf.mem = data->memsz;
- ptr = (void *)ipl_cert_list_addr;
+ ptr = __va(ipl_cert_list_addr);
end = ptr + ipl_cert_list_size;
ncerts = 0;
while (ptr < end) {
@@ -200,7 +200,7 @@ static int kexec_file_add_ipl_report(struct kimage *image,
addr = data->memsz + data->report->size;
addr += ncerts * sizeof(struct ipl_rb_certificate_entry);
- ptr = (void *)ipl_cert_list_addr;
+ ptr = __va(ipl_cert_list_addr);
while (ptr < end) {
len = *(unsigned int *)ptr;
ptr += sizeof(len);