Merge tag 's390-6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Heiko Carstens:

 - Split kernel large page mappings into 4k mappings in case debug
   pagealloc is enabled again. This got accidentally removed by commit
   bb1520d ("s390/mm: start kernel with DAT enabled")

 - Fix error handling in KVM's sthyi handling

 - Add missing include to s390's uapi ptrace.h

 - Update defconfigs

* tag 's390-6.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/ptrace: add missing linux/const.h include
  KVM: s390: fix sthyi error handling
  s390: update defconfigs
  s390/vmem: split pages when debug pagealloc is enabled

Author: torvalds

arch/s390/configs/debug_defconfig

@@ -116,7 +116,6 @@ CONFIG_UNIX=y
 CONFIG_UNIX_DIAG=m
 CONFIG_XFRM_USER=m
 CONFIG_NET_KEY=m
-CONFIG_NET_TC_SKB_EXT=y
 CONFIG_SMC=m
 CONFIG_SMC_DIAG=m
 CONFIG_INET=y
@@ -193,6 +192,7 @@ CONFIG_NFT_REJECT=m
 CONFIG_NFT_COMPAT=m
 CONFIG_NFT_HASH=m
 CONFIG_NFT_FIB_INET=m
+CONFIG_NETFILTER_XTABLES_COMPAT=y
 CONFIG_NETFILTER_XT_SET=m
 CONFIG_NETFILTER_XT_TARGET_AUDIT=m
 CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
@@ -379,6 +379,7 @@ CONFIG_NET_ACT_SIMP=m
 CONFIG_NET_ACT_SKBEDIT=m
 CONFIG_NET_ACT_CSUM=m
 CONFIG_NET_ACT_GATE=m
+CONFIG_NET_TC_SKB_EXT=y
 CONFIG_DNS_RESOLVER=y
 CONFIG_OPENVSWITCH=m
 CONFIG_VSOCKETS=m
@@ -395,6 +396,7 @@ CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_S390=y
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_SAFE=y
+# CONFIG_FW_LOADER is not set
 CONFIG_CONNECTOR=y
 CONFIG_ZRAM=y
 CONFIG_BLK_DEV_LOOP=m
@@ -502,7 +504,6 @@ CONFIG_NLMON=m
 # CONFIG_NET_VENDOR_GOOGLE is not set
 # CONFIG_NET_VENDOR_HUAWEI is not set
 # CONFIG_NET_VENDOR_INTEL is not set
-# CONFIG_NET_VENDOR_WANGXUN is not set
 # CONFIG_NET_VENDOR_LITEX is not set
 # CONFIG_NET_VENDOR_MARVELL is not set
 CONFIG_MLX4_EN=m
@@ -542,6 +543,7 @@ CONFIG_MLX5_CORE_EN=y
 # CONFIG_NET_VENDOR_TI is not set
 # CONFIG_NET_VENDOR_VERTEXCOM is not set
 # CONFIG_NET_VENDOR_VIA is not set
+# CONFIG_NET_VENDOR_WANGXUN is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 # CONFIG_NET_VENDOR_XILINX is not set
 CONFIG_PPP=m
@@ -646,7 +648,6 @@ CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
 CONFIG_TMPFS_INODE64=y
 CONFIG_HUGETLBFS=y
-CONFIG_CONFIGFS_FS=m
 CONFIG_ECRYPT_FS=m
 CONFIG_CRAMFS=m
 CONFIG_SQUASHFS=m
@@ -690,7 +691,6 @@ CONFIG_HARDENED_USERCOPY=y
 CONFIG_FORTIFY_SOURCE=y
 CONFIG_SECURITY_SELINUX=y
 CONFIG_SECURITY_SELINUX_BOOTPARAM=y
-CONFIG_SECURITY_SELINUX_DISABLE=y
 CONFIG_SECURITY_LOCKDOWN_LSM=y
 CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y
 CONFIG_SECURITY_LANDLOCK=y
@@ -744,7 +744,6 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MD5=y
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
-CONFIG_CRYPTO_SHA3=m
 CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_VMAC=m
 CONFIG_CRYPTO_WP512=m
@@ -844,6 +843,7 @@ CONFIG_PREEMPT_TRACER=y
 CONFIG_SCHED_TRACER=y
 CONFIG_FTRACE_SYSCALLS=y
 CONFIG_BLK_DEV_IO_TRACE=y
+CONFIG_USER_EVENTS=y
 CONFIG_HIST_TRIGGERS=y
 CONFIG_FTRACE_STARTUP_TEST=y
 # CONFIG_EVENT_TRACE_STARTUP_TEST is not set
@@ -866,6 +866,7 @@ CONFIG_FAIL_MAKE_REQUEST=y
 CONFIG_FAIL_IO_TIMEOUT=y
 CONFIG_FAIL_FUTEX=y
 CONFIG_FAULT_INJECTION_DEBUG_FS=y
+CONFIG_FAULT_INJECTION_CONFIGFS=y
 CONFIG_FAULT_INJECTION_STACKTRACE_FILTER=y
 CONFIG_LKDTM=m
 CONFIG_TEST_MIN_HEAP=y

arch/s390/configs/defconfig

@@ -107,7 +107,6 @@ CONFIG_UNIX=y
 CONFIG_UNIX_DIAG=m
 CONFIG_XFRM_USER=m
 CONFIG_NET_KEY=m
-CONFIG_NET_TC_SKB_EXT=y
 CONFIG_SMC=m
 CONFIG_SMC_DIAG=m
 CONFIG_INET=y
@@ -184,6 +183,7 @@ CONFIG_NFT_REJECT=m
 CONFIG_NFT_COMPAT=m
 CONFIG_NFT_HASH=m
 CONFIG_NFT_FIB_INET=m
+CONFIG_NETFILTER_XTABLES_COMPAT=y
 CONFIG_NETFILTER_XT_SET=m
 CONFIG_NETFILTER_XT_TARGET_AUDIT=m
 CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
@@ -369,6 +369,7 @@ CONFIG_NET_ACT_SIMP=m
 CONFIG_NET_ACT_SKBEDIT=m
 CONFIG_NET_ACT_CSUM=m
 CONFIG_NET_ACT_GATE=m
+CONFIG_NET_TC_SKB_EXT=y
 CONFIG_DNS_RESOLVER=y
 CONFIG_OPENVSWITCH=m
 CONFIG_VSOCKETS=m
@@ -385,6 +386,7 @@ CONFIG_HOTPLUG_PCI_S390=y
 CONFIG_UEVENT_HELPER=y
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_SAFE=y
+# CONFIG_FW_LOADER is not set
 CONFIG_CONNECTOR=y
 CONFIG_ZRAM=y
 CONFIG_BLK_DEV_LOOP=m
@@ -492,7 +494,6 @@ CONFIG_NLMON=m
 # CONFIG_NET_VENDOR_GOOGLE is not set
 # CONFIG_NET_VENDOR_HUAWEI is not set
 # CONFIG_NET_VENDOR_INTEL is not set
-# CONFIG_NET_VENDOR_WANGXUN is not set
 # CONFIG_NET_VENDOR_LITEX is not set
 # CONFIG_NET_VENDOR_MARVELL is not set
 CONFIG_MLX4_EN=m
@@ -532,6 +533,7 @@ CONFIG_MLX5_CORE_EN=y
 # CONFIG_NET_VENDOR_TI is not set
 # CONFIG_NET_VENDOR_VERTEXCOM is not set
 # CONFIG_NET_VENDOR_VIA is not set
+# CONFIG_NET_VENDOR_WANGXUN is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 # CONFIG_NET_VENDOR_XILINX is not set
 CONFIG_PPP=m
@@ -673,7 +675,6 @@ CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y
 CONFIG_SECURITY_SELINUX=y
 CONFIG_SECURITY_SELINUX_BOOTPARAM=y
-CONFIG_SECURITY_SELINUX_DISABLE=y
 CONFIG_SECURITY_LOCKDOWN_LSM=y
 CONFIG_SECURITY_LOCKDOWN_LSM_EARLY=y
 CONFIG_SECURITY_LANDLOCK=y
@@ -729,7 +730,6 @@ CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MD5=y
 CONFIG_CRYPTO_MICHAEL_MIC=m
 CONFIG_CRYPTO_RMD160=m
-CONFIG_CRYPTO_SHA3=m
 CONFIG_CRYPTO_SM3_GENERIC=m
 CONFIG_CRYPTO_VMAC=m
 CONFIG_CRYPTO_WP512=m
@@ -793,6 +793,7 @@ CONFIG_STACK_TRACER=y
 CONFIG_SCHED_TRACER=y
 CONFIG_FTRACE_SYSCALLS=y
 CONFIG_BLK_DEV_IO_TRACE=y
+CONFIG_USER_EVENTS=y
 CONFIG_HIST_TRIGGERS=y
 CONFIG_SAMPLES=y
 CONFIG_SAMPLE_TRACE_PRINTK=m

arch/s390/configs/zfcpdump_defconfig

@@ -53,7 +53,6 @@ CONFIG_ZFCP=y
 # CONFIG_HVC_IUCV is not set
 # CONFIG_HW_RANDOM_S390 is not set
 # CONFIG_HMC_DRV is not set
-# CONFIG_S390_UV_UAPI is not set
 # CONFIG_S390_TAPE is not set
 # CONFIG_VMCP is not set
 # CONFIG_MONWRITER is not set

arch/s390/include/uapi/asm/ptrace.h

@@ -8,6 +8,8 @@
 #ifndef _UAPI_S390_PTRACE_H
 #define _UAPI_S390_PTRACE_H
 
+#include <linux/const.h>
+
 /*
  * Offsets in the user_regs_struct. They are used for the ptrace
  * system call and in entry.S

arch/s390/kernel/sthyi.c

@@ -459,9 +459,9 @@ static int sthyi_update_cache(u64 *rc)
  *
  * Fills the destination with system information returned by the STHYI
  * instruction. The data is generated by emulation or execution of STHYI,
- * if available. The return value is the condition code that would be
- * returned, the rc parameter is the return code which is passed in
- * register R2 + 1.
+ * if available. The return value is either a negative error value or
+ * the condition code that would be returned, the rc parameter is the
+ * return code which is passed in register R2 + 1.
  */
 int sthyi_fill(void *dst, u64 *rc)
 {

arch/s390/kvm/intercept.c

@@ -389,8 +389,8 @@ static int handle_partial_execution(struct kvm_vcpu *vcpu)
  */
 int handle_sthyi(struct kvm_vcpu *vcpu)
 {
-	int reg1, reg2, r = 0;
-	u64 code, addr, cc = 0, rc = 0;
+	int reg1, reg2, cc = 0, r = 0;
+	u64 code, addr, rc = 0;
 	struct sthyi_sctns *sctns = NULL;
 
 	if (!test_kvm_facility(vcpu->kvm, 74))
@@ -421,7 +421,10 @@ int handle_sthyi(struct kvm_vcpu *vcpu)
 		return -ENOMEM;
 
 	cc = sthyi_fill(sctns, &rc);
-
+	if (cc < 0) {
+		free_page((unsigned long)sctns);
+		return cc;
+	}
 out:
 	if (!cc) {
 		if (kvm_s390_pv_cpu_is_protected(vcpu)) {

arch/s390/mm/vmem.c

@@ -763,6 +763,8 @@ void __init vmem_map_init(void)
 	if (static_key_enabled(&cpu_has_bear))
 		set_memory_nx(0, 1);
 	set_memory_nx(PAGE_SIZE, 1);
+	if (debug_pagealloc_enabled())
+		set_memory_4k(0, ident_map_size >> PAGE_SHIFT);
 
 	pr_info("Write protected kernel read-only data: %luk\n",
 		(unsigned long)(__end_rodata - _stext) >> 10);