Merge tag 's390-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull more s390 updates from Heiko Carstens:

 - add support for system call stack randomization

 - handle stale PCI deconfiguration events

 - couple of defconfig updates

 - some fixes and cleanups

* tag 's390-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: fix detection of vector enhancements facility 1 vs. vector packed decimal facility
  s390/entry: add support for syscall stack randomization
  s390/configs: change CONFIG_VIRTIO_CONSOLE to "m"
  s390/cio: remove invalid condition on IO_SCH_UNREG
  s390/cpumf: remove call to perf_event_update_userpage
  s390/cpumf: move counter set size calculation to common place
  s390/cpumf: beautify if-then-else indentation
  s390/configs: enable CONFIG_PCI_IOV
  s390/pci: handle stale deconfiguration events
  s390/pci: rename zpci_configure_device()

3 files changed, 13 insertions, 1 deletions

diff --git a/arch/s390/include/asm/cpu_mcf.h b/arch/s390/include/asm/cpu_mcf.h
index 649b9fc60685..3e4cbcb7c4cc 100644
--- a/arch/s390/include/asm/cpu_mcf.h
+++ b/arch/s390/include/asm/cpu_mcf.h
@@ -123,4 +123,6 @@ static inline int stccm_avail(void)
 	return test_facility(142);
 }
 
+size_t cpum_cf_ctrset_size(enum cpumf_ctr_set ctrset,
+			   struct cpumf_ctr_info *info);
 #endif /* _ASM_S390_CPU_MCF_H */
diff --git a/arch/s390/include/asm/entry-common.h b/arch/s390/include/asm/entry-common.h
index 9cceb26ed63f..baa8005090c3 100644
--- a/arch/s390/include/asm/entry-common.h
+++ b/arch/s390/include/asm/entry-common.h
@@ -4,9 +4,11 @@
 
 #include <linux/sched.h>
 #include <linux/audit.h>
+#include <linux/randomize_kstack.h>
 #include <linux/tracehook.h>
 #include <linux/processor.h>
 #include <linux/uaccess.h>
+#include <asm/timex.h>
 #include <asm/fpu/api.h>
 
 #define ARCH_EXIT_TO_USER_MODE_WORK (_TIF_GUARDED_STORAGE | _TIF_PER_TRAP)
@@ -48,6 +50,14 @@ static __always_inline void arch_exit_to_user_mode(void)
 
 #define arch_exit_to_user_mode arch_exit_to_user_mode
 
+static inline void arch_exit_to_user_mode_prepare(struct pt_regs *regs,
+						  unsigned long ti_work)
+{
+	choose_random_kstack_offset(get_tod_clock_fast() & 0xff);
+}
+
+#define arch_exit_to_user_mode_prepare arch_exit_to_user_mode_prepare
+
 static inline bool on_thread_stack(void)
 {
 	return !(((unsigned long)(current->stack) ^ current_stack_pointer()) & ~(THREAD_SIZE - 1));
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 35c2af9371a9..10b67f8aab99 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -204,7 +204,7 @@ extern unsigned int s390_pci_no_rid;
 struct zpci_dev *zpci_create_device(u32 fid, u32 fh, enum zpci_state state);
 int zpci_enable_device(struct zpci_dev *);
 int zpci_disable_device(struct zpci_dev *);
-int zpci_configure_device(struct zpci_dev *zdev, u32 fh);
+int zpci_scan_configured_device(struct zpci_dev *zdev, u32 fh);
 int zpci_deconfigure_device(struct zpci_dev *zdev);
 
 int zpci_register_ioat(struct zpci_dev *, u8, u64, u64, u64);