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Date: Sat, 20 Aug 2022 08:15:19 +0200
From: Alexander Gordeev <agordeev@...ux.ibm.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Vasily Gorbik <gor@...ux.ibm.com>,
Heiko Carstens <hca@...ux.ibm.com>, linux-s390@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [GIT PULL] s390 updates for 6.0-rc2
Hello Linus,
please pull s390 changes for 6.0-rc2.
Thank you,
Alexander
The following changes since commit 568035b01cfb107af8d2e4bd2fb9aea22cf5b868:
Linux 6.0-rc1 (2022-08-14 15:50:18 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git tags/s390-6.0-1
for you to fetch changes up to 0fef40be5d1f8e7af3d61e8827a63c5862cd99f7:
s390/ap: fix crash on older machines based on QCI info missing (2022-07-15 12:23:48 +0200)
----------------------------------------------------------------
s390 updates for 6.0-rc2
- Fix a KVM crash on z12 and older machines caused by a wrong
assumption that Query AP Configuration Information is always
available.
- Lower severity of excessive Hypervisor filesystem error messages
when booting under KVM.
----------------------------------------------------------------
Harald Freudenberger (1):
s390/ap: fix crash on older machines based on QCI info missing
Juergen Gross (1):
s390/hypfs: avoid error message under KVM
arch/s390/hypfs/hypfs_diag.c | 2 +-
arch/s390/hypfs/inode.c | 2 +-
drivers/s390/crypto/ap_bus.c | 3 +++
drivers/s390/crypto/ap_bus.h | 4 ++++
4 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index f0bc4dc3e9bf..6511d15ace45 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -437,7 +437,7 @@ __init int hypfs_diag_init(void)
int rc;
if (diag204_probe()) {
- pr_err("The hardware system does not support hypfs\n");
+ pr_info("The hardware system does not support hypfs\n");
return -ENODATA;
}
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 5c97f48cea91..ee919bfc8186 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -496,9 +496,9 @@ static int __init hypfs_init(void)
hypfs_vm_exit();
fail_hypfs_diag_exit:
hypfs_diag_exit();
+ pr_err("Initialization of hypfs failed with rc=%i\n", rc);
fail_dbfs_exit:
hypfs_dbfs_exit();
- pr_err("Initialization of hypfs failed with rc=%i\n", rc);
return rc;
}
device_initcall(hypfs_init)
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 8f1d1cf23d44..59ac98f2bd27 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -2086,6 +2086,9 @@ static inline void ap_scan_adapter(int ap)
*/
static bool ap_get_configuration(void)
{
+ if (!ap_qci_info) /* QCI not supported */
+ return false;
+
memcpy(ap_qci_info_old, ap_qci_info, sizeof(*ap_qci_info));
ap_fetch_qci_info(ap_qci_info);
diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h
index 0c40af157df2..0f17933954fb 100644
--- a/drivers/s390/crypto/ap_bus.h
+++ b/drivers/s390/crypto/ap_bus.h
@@ -148,12 +148,16 @@ struct ap_driver {
/*
* Called at the start of the ap bus scan function when
* the crypto config information (qci) has changed.
+ * This callback is not invoked if there is no AP
+ * QCI support available.
*/
void (*on_config_changed)(struct ap_config_info *new_config_info,
struct ap_config_info *old_config_info);
/*
* Called at the end of the ap bus scan function when
* the crypto config information (qci) has changed.
+ * This callback is not invoked if there is no AP
+ * QCI support available.
*/
void (*on_scan_complete)(struct ap_config_info *new_config_info,
struct ap_config_info *old_config_info);
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