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s390 updates for 6.10-rc4

Browse Source 
- A couple of fixes for regressions resulting from the uncoupling of
   physical vs virtual kernel address spaces: fix the mapping of the
   kernel image using large pages; enforce alignment checks on physical
   addresses before creating large pages
 
 - Update defconfigs
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Merge tag 's390-6.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Vasily Gorbik:

 - A couple of fixes for regressions resulting from the uncoupling of
   physical vs virtual kernel address spaces: fix the mapping of the
   kernel image using large pages; enforce alignment checks on physical
   addresses before creating large pages

 - Update defconfigs

* tag 's390-6.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/mm: Restore mapping of kernel image using large pages
  s390/mm: Allow large pages only for aligned physical addresses
  s390: Update defconfigs
This commit is contained in:
Linus Torvalds 2024-06-14 19:27:02 -07:00
commit 44ef20baed
6 changed files with 103 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
arch/s390/boot/startup.c
View File

@ -384,7 +384,7 @@ static void fixup_vmlinux_info(void)
void startup_kernel(void)
{
unsigned long kernel_size = vmlinux.image_size + vmlinux.bss_size;
unsigned long nokaslr_offset_phys = mem_safe_offset();
unsigned long nokaslr_offset_phys, kaslr_large_page_offset;
unsigned long amode31_lma = 0;
unsigned long max_physmem_end;
unsigned long asce_limit;
@ -393,6 +393,12 @@ void startup_kernel(void)
fixup_vmlinux_info();
setup_lpp();
/*
* Non-randomized kernel physical start address must be _SEGMENT_SIZE
* aligned (see blow).
*/
nokaslr_offset_phys = ALIGN(mem_safe_offset(), _SEGMENT_SIZE);
safe_addr = PAGE_ALIGN(nokaslr_offset_phys + kernel_size);
/*
@ -425,10 +431,25 @@ void startup_kernel(void)
save_ipl_cert_comp_list();
rescue_initrd(safe_addr, ident_map_size);
if (kaslr_enabled())
__kaslr_offset_phys = randomize_within_range(kernel_size, THREAD_SIZE, 0, ident_map_size);
/*
* __kaslr_offset_phys must be _SEGMENT_SIZE aligned, so the lower
* 20 bits (the offset within a large page) are zero. Copy the last
* 20 bits of __kaslr_offset, which is THREAD_SIZE aligned, to
* __kaslr_offset_phys.
*
* With this the last 20 bits of __kaslr_offset_phys and __kaslr_offset
* are identical, which is required to allow for large mappings of the
* kernel image.
*/
kaslr_large_page_offset = __kaslr_offset & ~_SEGMENT_MASK;
if (kaslr_enabled()) {
unsigned long end = ident_map_size - kaslr_large_page_offset;
__kaslr_offset_phys = randomize_within_range(kernel_size, _SEGMENT_SIZE, 0, end);
}
if (!__kaslr_offset_phys)
__kaslr_offset_phys = nokaslr_offset_phys;
__kaslr_offset_phys |= kaslr_large_page_offset;
kaslr_adjust_vmlinux_info(__kaslr_offset_phys);
physmem_reserve(RR_VMLINUX, __kaslr_offset_phys, kernel_size);
deploy_kernel((void *)__kaslr_offset_phys);

12
arch/s390/boot/vmem.c
View File

@ -261,21 +261,27 @@ static unsigned long _pa(unsigned long addr, unsigned long size, enum populate_m
static bool large_allowed(enum populate_mode mode)
{
return (mode == POPULATE_DIRECT) || (mode == POPULATE_IDENTITY);
return (mode == POPULATE_DIRECT) || (mode == POPULATE_IDENTITY) || (mode == POPULATE_KERNEL);
}
static bool can_large_pud(pud_t *pu_dir, unsigned long addr, unsigned long end,
enum populate_mode mode)
{
unsigned long size = end - addr;
return machine.has_edat2 && large_allowed(mode) &&
IS_ALIGNED(addr, PUD_SIZE) && (end - addr) >= PUD_SIZE;
IS_ALIGNED(addr, PUD_SIZE) && (size >= PUD_SIZE) &&
IS_ALIGNED(_pa(addr, size, mode), PUD_SIZE);
}
static bool can_large_pmd(pmd_t *pm_dir, unsigned long addr, unsigned long end,
enum populate_mode mode)
{
unsigned long size = end - addr;
return machine.has_edat1 && large_allowed(mode) &&
IS_ALIGNED(addr, PMD_SIZE) && (end - addr) >= PMD_SIZE;
IS_ALIGNED(addr, PMD_SIZE) && (size >= PMD_SIZE) &&
IS_ALIGNED(_pa(addr, size, mode), PMD_SIZE);
}
static void pgtable_pte_populate(pmd_t *pmd, unsigned long addr, unsigned long end,

1
arch/s390/boot/vmlinux.lds.S
View File

@ -109,6 +109,7 @@ SECTIONS
#ifdef CONFIG_KERNEL_UNCOMPRESSED
. = ALIGN(PAGE_SIZE);
. += AMODE31_SIZE; /* .amode31 section */
. = ALIGN(1 << 20); /* _SEGMENT_SIZE */
#else
. = ALIGN(8);
#endif

43
arch/s390/configs/debug_defconfig
View File

@ -43,7 +43,6 @@ CONFIG_PROFILING=y
CONFIG_KEXEC=y
CONFIG_KEXEC_FILE=y
CONFIG_KEXEC_SIG=y
CONFIG_CRASH_DUMP=y
CONFIG_LIVEPATCH=y
CONFIG_MARCH_Z13=y
CONFIG_NR_CPUS=512
@ -51,6 +50,7 @@ CONFIG_NUMA=y
CONFIG_HZ_100=y
CONFIG_CERT_STORE=y
CONFIG_EXPOLINE=y
# CONFIG_EXPOLINE_EXTERN is not set
CONFIG_EXPOLINE_AUTO=y
CONFIG_CHSC_SCH=y
CONFIG_VFIO_CCW=m
@ -76,6 +76,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODULE_UNLOAD_TAINT_TRACKING=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_MODULE_SIG_SHA256=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
@ -100,7 +101,6 @@ CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
CONFIG_TRANSPARENT_HUGEPAGE=y
CONFIG_CMA_DEBUG=y
CONFIG_CMA_DEBUGFS=y
CONFIG_CMA_SYSFS=y
CONFIG_CMA_AREAS=7
@ -119,6 +119,7 @@ CONFIG_UNIX_DIAG=m
CONFIG_XFRM_USER=m
CONFIG_NET_KEY=m
CONFIG_SMC_DIAG=m
CONFIG_SMC_LO=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
@ -133,7 +134,6 @@ CONFIG_IP_MROUTE=y
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@ -167,6 +167,7 @@ CONFIG_BRIDGE_NETFILTER=m
CONFIG_NETFILTER_NETLINK_HOOK=m
CONFIG_NF_CONNTRACK=m
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_ZONES=y
CONFIG_NF_CONNTRACK_PROCFS=y
CONFIG_NF_CONNTRACK_EVENTS=y
CONFIG_NF_CONNTRACK_TIMEOUT=y
@ -183,17 +184,39 @@ CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
CONFIG_NF_CT_NETLINK_TIMEOUT=m
CONFIG_NF_CT_NETLINK_HELPER=m
CONFIG_NETFILTER_NETLINK_GLUE_CT=y
CONFIG_NF_TABLES=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
CONFIG_NFT_CT=m
CONFIG_NFT_FLOW_OFFLOAD=m
CONFIG_NFT_CONNLIMIT=m
CONFIG_NFT_LOG=m
CONFIG_NFT_LIMIT=m
CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
CONFIG_NFT_COMPAT=m
CONFIG_NFT_HASH=m
CONFIG_NFT_FIB_INET=m
CONFIG_NETFILTER_XTABLES_COMPAT=y
CONFIG_NFT_XFRM=m
CONFIG_NFT_SOCKET=m
CONFIG_NFT_OSF=m
CONFIG_NFT_TPROXY=m
CONFIG_NFT_SYNPROXY=m
CONFIG_NFT_DUP_NETDEV=m
CONFIG_NFT_FWD_NETDEV=m
CONFIG_NFT_FIB_NETDEV=m
CONFIG_NFT_REJECT_NETDEV=m
CONFIG_NF_FLOW_TABLE_INET=m
CONFIG_NF_FLOW_TABLE=m
CONFIG_NF_FLOW_TABLE_PROCFS=y
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_AUDIT=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
@ -206,8 +229,10 @@ CONFIG_NETFILTER_XT_TARGET_HMARK=m
CONFIG_NETFILTER_XT_TARGET_IDLETIMER=m
CONFIG_NETFILTER_XT_TARGET_LOG=m
CONFIG_NETFILTER_XT_TARGET_MARK=m
CONFIG_NETFILTER_XT_TARGET_NETMAP=m
CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_REDIRECT=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
@ -216,6 +241,7 @@ CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=m
CONFIG_NETFILTER_XT_MATCH_BPF=m
CONFIG_NETFILTER_XT_MATCH_CGROUP=m
CONFIG_NETFILTER_XT_MATCH_CLUSTER=m
CONFIG_NETFILTER_XT_MATCH_COMMENT=m
CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
@ -230,6 +256,7 @@ CONFIG_NETFILTER_XT_MATCH_DSCP=m
CONFIG_NETFILTER_XT_MATCH_ESP=m
CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
CONFIG_NETFILTER_XT_MATCH_HELPER=m
CONFIG_NETFILTER_XT_MATCH_IPCOMP=m
CONFIG_NETFILTER_XT_MATCH_IPRANGE=m
CONFIG_NETFILTER_XT_MATCH_IPVS=m
CONFIG_NETFILTER_XT_MATCH_LENGTH=m
@ -247,6 +274,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@ -302,7 +330,6 @@ CONFIG_IP_NF_TARGET_ECN=m
CONFIG_IP_NF_TARGET_TTL=m
CONFIG_IP_NF_RAW=m
CONFIG_IP_NF_SECURITY=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NFT_FIB_IPV6=m
@ -373,7 +400,6 @@ CONFIG_NET_ACT_POLICE=m
CONFIG_NET_ACT_GACT=m
CONFIG_GACT_PROB=y
CONFIG_NET_ACT_MIRRED=m
CONFIG_NET_ACT_IPT=m
CONFIG_NET_ACT_NAT=m
CONFIG_NET_ACT_PEDIT=m
CONFIG_NET_ACT_SIMP=m
@ -462,6 +488,7 @@ CONFIG_DM_VERITY=m
CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG=y
CONFIG_DM_SWITCH=m
CONFIG_DM_INTEGRITY=m
CONFIG_DM_VDO=m
CONFIG_NETDEVICES=y
CONFIG_BONDING=m
CONFIG_DUMMY=m
@ -574,7 +601,6 @@ CONFIG_WATCHDOG=y
CONFIG_WATCHDOG_NOWAYOUT=y
CONFIG_SOFT_WATCHDOG=m
CONFIG_DIAG288_WATCHDOG=m
# CONFIG_DRM_DEBUG_MODESET_LOCK is not set
CONFIG_FB=y
# CONFIG_FB_DEVICE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
@ -645,7 +671,6 @@ CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
CONFIG_EXFAT_FS=m
CONFIG_NTFS_FS=m
CONFIG_NTFS_RW=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
@ -663,6 +688,7 @@ CONFIG_SQUASHFS_XZ=y
CONFIG_SQUASHFS_ZSTD=y
CONFIG_ROMFS_FS=m
CONFIG_NFS_FS=m
CONFIG_NFS_V2=m
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y
@ -879,6 +905,5 @@ CONFIG_RBTREE_TEST=y
CONFIG_INTERVAL_TREE_TEST=m
CONFIG_PERCPU_TEST=m
CONFIG_ATOMIC64_SELFTEST=y
CONFIG_STRING_SELFTEST=y
CONFIG_TEST_BITOPS=m
CONFIG_TEST_BPF=m

40
arch/s390/configs/defconfig
View File

@ -41,7 +41,6 @@ CONFIG_PROFILING=y
CONFIG_KEXEC=y
CONFIG_KEXEC_FILE=y
CONFIG_KEXEC_SIG=y
CONFIG_CRASH_DUMP=y
CONFIG_LIVEPATCH=y
CONFIG_MARCH_Z13=y
CONFIG_NR_CPUS=512
@ -49,6 +48,7 @@ CONFIG_NUMA=y
CONFIG_HZ_100=y
CONFIG_CERT_STORE=y
CONFIG_EXPOLINE=y
# CONFIG_EXPOLINE_EXTERN is not set
CONFIG_EXPOLINE_AUTO=y
CONFIG_CHSC_SCH=y
CONFIG_VFIO_CCW=m
@ -71,6 +71,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y
CONFIG_MODULE_UNLOAD_TAINT_TRACKING=y
CONFIG_MODVERSIONS=y
CONFIG_MODULE_SRCVERSION_ALL=y
CONFIG_MODULE_SIG_SHA256=y
CONFIG_BLK_DEV_THROTTLING=y
CONFIG_BLK_WBT=y
CONFIG_BLK_CGROUP_IOLATENCY=y
@ -110,6 +111,7 @@ CONFIG_UNIX_DIAG=m
CONFIG_XFRM_USER=m
CONFIG_NET_KEY=m
CONFIG_SMC_DIAG=m
CONFIG_SMC_LO=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
CONFIG_IP_ADVANCED_ROUTER=y
@ -124,7 +126,6 @@ CONFIG_IP_MROUTE=y
CONFIG_IP_MROUTE_MULTIPLE_TABLES=y
CONFIG_IP_PIMSM_V1=y
CONFIG_IP_PIMSM_V2=y
CONFIG_SYN_COOKIES=y
CONFIG_NET_IPVTI=m
CONFIG_INET_AH=m
CONFIG_INET_ESP=m
@ -158,6 +159,7 @@ CONFIG_BRIDGE_NETFILTER=m
CONFIG_NETFILTER_NETLINK_HOOK=m
CONFIG_NF_CONNTRACK=m
CONFIG_NF_CONNTRACK_SECMARK=y
CONFIG_NF_CONNTRACK_ZONES=y
CONFIG_NF_CONNTRACK_PROCFS=y
CONFIG_NF_CONNTRACK_EVENTS=y
CONFIG_NF_CONNTRACK_TIMEOUT=y
@ -174,17 +176,39 @@ CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
CONFIG_NF_CT_NETLINK_TIMEOUT=m
CONFIG_NF_CT_NETLINK_HELPER=m
CONFIG_NETFILTER_NETLINK_GLUE_CT=y
CONFIG_NF_TABLES=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
CONFIG_NFT_CT=m
CONFIG_NFT_FLOW_OFFLOAD=m
CONFIG_NFT_CONNLIMIT=m
CONFIG_NFT_LOG=m
CONFIG_NFT_LIMIT=m
CONFIG_NFT_MASQ=m
CONFIG_NFT_REDIR=m
CONFIG_NFT_NAT=m
CONFIG_NFT_TUNNEL=m
CONFIG_NFT_QUEUE=m
CONFIG_NFT_QUOTA=m
CONFIG_NFT_REJECT=m
CONFIG_NFT_COMPAT=m
CONFIG_NFT_HASH=m
CONFIG_NFT_FIB_INET=m
CONFIG_NETFILTER_XTABLES_COMPAT=y
CONFIG_NFT_XFRM=m
CONFIG_NFT_SOCKET=m
CONFIG_NFT_OSF=m
CONFIG_NFT_TPROXY=m
CONFIG_NFT_SYNPROXY=m
CONFIG_NFT_DUP_NETDEV=m
CONFIG_NFT_FWD_NETDEV=m
CONFIG_NFT_FIB_NETDEV=m
CONFIG_NFT_REJECT_NETDEV=m
CONFIG_NF_FLOW_TABLE_INET=m
CONFIG_NF_FLOW_TABLE=m
CONFIG_NF_FLOW_TABLE_PROCFS=y
CONFIG_NETFILTER_XT_SET=m
CONFIG_NETFILTER_XT_TARGET_AUDIT=m
CONFIG_NETFILTER_XT_TARGET_CHECKSUM=m
@ -197,8 +221,10 @@ CONFIG_NETFILTER_XT_TARGET_HMARK=m
CONFIG_NETFILTER_XT_TARGET_IDLETIMER=m
CONFIG_NETFILTER_XT_TARGET_LOG=m
CONFIG_NETFILTER_XT_TARGET_MARK=m
CONFIG_NETFILTER_XT_TARGET_NETMAP=m
CONFIG_NETFILTER_XT_TARGET_NFLOG=m
CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
CONFIG_NETFILTER_XT_TARGET_REDIRECT=m
CONFIG_NETFILTER_XT_TARGET_TEE=m
CONFIG_NETFILTER_XT_TARGET_TPROXY=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m
@ -207,6 +233,7 @@ CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP=m
CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=m
CONFIG_NETFILTER_XT_MATCH_BPF=m
CONFIG_NETFILTER_XT_MATCH_CGROUP=m
CONFIG_NETFILTER_XT_MATCH_CLUSTER=m
CONFIG_NETFILTER_XT_MATCH_COMMENT=m
CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
@ -221,6 +248,7 @@ CONFIG_NETFILTER_XT_MATCH_DSCP=m
CONFIG_NETFILTER_XT_MATCH_ESP=m
CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
CONFIG_NETFILTER_XT_MATCH_HELPER=m
CONFIG_NETFILTER_XT_MATCH_IPCOMP=m
CONFIG_NETFILTER_XT_MATCH_IPRANGE=m
CONFIG_NETFILTER_XT_MATCH_IPVS=m
CONFIG_NETFILTER_XT_MATCH_LENGTH=m
@ -238,6 +266,7 @@ CONFIG_NETFILTER_XT_MATCH_QUOTA=m
CONFIG_NETFILTER_XT_MATCH_RATEEST=m
CONFIG_NETFILTER_XT_MATCH_REALM=m
CONFIG_NETFILTER_XT_MATCH_RECENT=m
CONFIG_NETFILTER_XT_MATCH_SOCKET=m
CONFIG_NETFILTER_XT_MATCH_STATE=m
CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
CONFIG_NETFILTER_XT_MATCH_STRING=m
@ -293,7 +322,6 @@ CONFIG_IP_NF_TARGET_ECN=m
CONFIG_IP_NF_TARGET_TTL=m
CONFIG_IP_NF_RAW=m
CONFIG_IP_NF_SECURITY=m
CONFIG_IP_NF_ARPTABLES=m
CONFIG_IP_NF_ARPFILTER=m
CONFIG_IP_NF_ARP_MANGLE=m
CONFIG_NFT_FIB_IPV6=m
@ -363,7 +391,6 @@ CONFIG_NET_ACT_POLICE=m
CONFIG_NET_ACT_GACT=m
CONFIG_GACT_PROB=y
CONFIG_NET_ACT_MIRRED=m
CONFIG_NET_ACT_IPT=m
CONFIG_NET_ACT_NAT=m
CONFIG_NET_ACT_PEDIT=m
CONFIG_NET_ACT_SIMP=m
@ -452,6 +479,7 @@ CONFIG_DM_VERITY=m
CONFIG_DM_VERITY_VERIFY_ROOTHASH_SIG=y
CONFIG_DM_SWITCH=m
CONFIG_DM_INTEGRITY=m
CONFIG_DM_VDO=m
CONFIG_NETDEVICES=y
CONFIG_BONDING=m
CONFIG_DUMMY=m
@ -630,7 +658,6 @@ CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
CONFIG_EXFAT_FS=m
CONFIG_NTFS_FS=m
CONFIG_NTFS_RW=y
CONFIG_PROC_KCORE=y
CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
@ -649,6 +676,7 @@ CONFIG_SQUASHFS_XZ=y
CONFIG_SQUASHFS_ZSTD=y
CONFIG_ROMFS_FS=m
CONFIG_NFS_FS=m
CONFIG_NFS_V2=m
CONFIG_NFS_V3_ACL=y
CONFIG_NFS_V4=m
CONFIG_NFS_SWAP=y

5
arch/s390/configs/zfcpdump_defconfig
View File

@ -9,25 +9,22 @@ CONFIG_BPF_SYSCALL=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_KEXEC=y
CONFIG_CRASH_DUMP=y
CONFIG_MARCH_Z13=y
CONFIG_NR_CPUS=2
CONFIG_HZ_100=y
# CONFIG_CHSC_SCH is not set
# CONFIG_SCM_BUS is not set
# CONFIG_AP is not set
# CONFIG_PFAULT is not set
# CONFIG_S390_HYPFS is not set
# CONFIG_VIRTUALIZATION is not set
# CONFIG_S390_GUEST is not set
# CONFIG_SECCOMP is not set
# CONFIG_GCC_PLUGINS is not set
# CONFIG_BLOCK_LEGACY_AUTOLOAD is not set
CONFIG_PARTITION_ADVANCED=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
# CONFIG_SWAP is not set
# CONFIG_COMPAT_BRK is not set
# CONFIG_COMPACTION is not set
# CONFIG_MIGRATION is not set
CONFIG_NET=y
# CONFIG_IUCV is not set
# CONFIG_PCPU_DEV_REFCNT is not set