diff mbox

[v2] kvm-xfstests, gce-xfstests: improve recommended kernel config

Message ID 20170523174557.60810-1-ebiggers3@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Eric Biggers May 23, 2017, 5:45 p.m. UTC 
From: Eric Biggers <ebiggers@google.com>

Trim more unneeded features from the recommended kernel config, then
enable some more relatively lightweight debugging options.

For now, just update the latest x86_64 config.  But if people are okay
with these changes I'll update some of the other configs too.

Tested with both kvm-xfstests and gce-xfstests.

Signed-off-by: Eric Biggers <ebiggers@google.com>
---

v2: keep CONFIG_LOCK_STAT=y

 kernel-configs/x86_64-config-4.9 | 244 ++++-----------------------------------
 1 file changed, 23 insertions(+), 221 deletions(-)

Comments

Theodore Ts'o May 25, 2017, 5:24 p.m. UTC | #1 
On Tue, May 23, 2017 at 10:45:57AM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@google.com>
> 
> Trim more unneeded features from the recommended kernel config, then
> enable some more relatively lightweight debugging options.
> 
> For now, just update the latest x86_64 config.  But if people are okay
> with these changes I'll update some of the other configs too.
> 
> Tested with both kvm-xfstests and gce-xfstests.
> 
> Signed-off-by: Eric Biggers <ebiggers@google.com>

This looks good to me.  Would you mind sending a patch which updates
the rest of the configs similarly, so we can update all of the configs
at once?

As an aside, I *do* use the HW_RANDOM_VIRTIO from time to time (that's
why it was enabled in the config), and in fact kvm-xfstests is wired
up to supply the virtio random number generator by default (since it
doesn't really cost much):

if test -z "$NO_VIRTIO_RNG" ; then
    VIRTIO_RNG="-object rng-random,filename=/dev/urandom,id=rng0 \
	-device virtio-rng-pci,rng=rng0"
fi

But that's for my kernel RNG testing, and it's fair to say that that
most users of kvm-xfstests won't need it.

Thanks,

					- Ted
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Eric Biggers May 25, 2017, 6:43 p.m. UTC | #2 
On Thu, May 25, 2017 at 01:24:11PM -0400, Theodore Ts'o wrote:
> On Tue, May 23, 2017 at 10:45:57AM -0700, Eric Biggers wrote:
> > From: Eric Biggers <ebiggers@google.com>
> > 
> > Trim more unneeded features from the recommended kernel config, then
> > enable some more relatively lightweight debugging options.
> > 
> > For now, just update the latest x86_64 config.  But if people are okay
> > with these changes I'll update some of the other configs too.
> > 
> > Tested with both kvm-xfstests and gce-xfstests.
> > 
> > Signed-off-by: Eric Biggers <ebiggers@google.com>
> 
> This looks good to me.  Would you mind sending a patch which updates
> the rest of the configs similarly, so we can update all of the configs
> at once?
> 
> As an aside, I *do* use the HW_RANDOM_VIRTIO from time to time (that's
> why it was enabled in the config), and in fact kvm-xfstests is wired
> up to supply the virtio random number generator by default (since it
> doesn't really cost much):
> 
> if test -z "$NO_VIRTIO_RNG" ; then
>     VIRTIO_RNG="-object rng-random,filename=/dev/urandom,id=rng0 \
> 	-device virtio-rng-pci,rng=rng0"
> fi
> 
> But that's for my kernel RNG testing, and it's fair to say that that
> most users of kvm-xfstests won't need it.
> 

Yes I'll do that.  I'll probably leave HW_RANDOM_VIRTIO on, given that the
virtio-rng-pci device is emulated by default, and the kernel config ought to
support the default emulated hardware.  (Or else we should turn the
virtio-rng-pci device off by default.)

Eric
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diff mbox

Patch

diff --git a/kernel-configs/x86_64-config-4.9 b/kernel-configs/x86_64-config-4.9
index ce7afbb..13650b2 100644
--- a/kernel-configs/x86_64-config-4.9
+++ b/kernel-configs/x86_64-config-4.9
@@ -1,34 +1,19 @@ 
 CONFIG_LOCALVERSION="-xfstests"
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
-CONFIG_AUDIT=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
-CONFIG_BSD_PROCESS_ACCT=y
-CONFIG_TASKSTATS=y
-CONFIG_TASK_DELAY_ACCT=y
-CONFIG_TASK_XACCT=y
-CONFIG_TASK_IO_ACCOUNTING=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_CGROUPS=y
-CONFIG_CGROUP_SCHED=y
 # CONFIG_UTS_NS is not set
 # CONFIG_IPC_NS is not set
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
-CONFIG_SYSFS_DEPRECATED=y
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_BPF_SYSCALL=y
-CONFIG_USERFAULTFD=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
-CONFIG_PROFILING=y
 CONFIG_JUMP_LABEL=y
-CONFIG_BLK_DEV_INTEGRITY=y
-CONFIG_PARTITION_ADVANCED=y
-CONFIG_BSD_DISKLABEL=y
 CONFIG_SMP=y
 CONFIG_X86_X2APIC=y
 # CONFIG_X86_EXTENDED_PLATFORM is not set
@@ -40,172 +25,67 @@  CONFIG_MCORE2=y
 CONFIG_NR_CPUS=48
 # CONFIG_X86_MCE_AMD is not set
 # CONFIG_MICROCODE is not set
-CONFIG_X86_MSR=y
-CONFIG_X86_CPUID=y
 CONFIG_NUMA=y
 # CONFIG_AMD_NUMA is not set
-CONFIG_X86_PMEM_LEGACY=y
 CONFIG_X86_CHECK_BIOS_CORRUPTION=y
 CONFIG_HZ_300=y
 CONFIG_KEXEC=y
-CONFIG_KEXEC_FILE=y
-CONFIG_CRASH_DUMP=y
-CONFIG_PHYSICAL_ALIGN=0x1000000
-CONFIG_HOTPLUG_CPU=y
 # CONFIG_SUSPEND is not set
 # CONFIG_ACPI_REV_OVERRIDE_POSSIBLE is not set
 # CONFIG_ACPI_TABLE_UPGRADE is not set
 CONFIG_CPU_FREQ=y
-CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
-CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
-CONFIG_CPU_FREQ_GOV_ONDEMAND=y
-CONFIG_CPU_IDLE_GOV_LADDER=y
 CONFIG_PCI_MSI=y
-CONFIG_BINFMT_MISC=y
 CONFIG_IA32_EMULATION=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_PACKET_DIAG=y
 CONFIG_UNIX=y
 CONFIG_UNIX_DIAG=y
-CONFIG_XFRM_USER=y
-CONFIG_NET_KEY=y
 CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-CONFIG_IP_ADVANCED_ROUTER=y
-CONFIG_IP_FIB_TRIE_STATS=y
-CONFIG_IP_MULTIPLE_TABLES=y
-CONFIG_IP_ROUTE_MULTIPATH=y
-CONFIG_IP_ROUTE_VERBOSE=y
-CONFIG_NET_IPIP=y
-CONFIG_NET_IPGRE_DEMUX=y
-CONFIG_NET_IPGRE=y
-CONFIG_NET_IPGRE_BROADCAST=y
 CONFIG_SYN_COOKIES=y
-CONFIG_NET_FOU=y
-CONFIG_INET_IPCOMP=y
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
 CONFIG_INET_UDP_DIAG=y
-CONFIG_IPV6_ROUTER_PREF=y
 # CONFIG_INET6_XFRM_MODE_TRANSPORT is not set
-CONFIG_IPV6_TUNNEL=y
-CONFIG_IPV6_MULTIPLE_TABLES=y
-CONFIG_IPV6_SUBTREES=y
-CONFIG_NETWORK_SECMARK=y
-CONFIG_VLAN_8021Q=y
-CONFIG_DNS_RESOLVER=y
+# CONFIG_INET6_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET6_XFRM_MODE_BEET is not set
 CONFIG_NETLINK_DIAG=y
-CONFIG_CGROUP_NET_PRIO=y
-CONFIG_CGROUP_NET_CLASSID=y
 # CONFIG_WIRELESS is not set
-CONFIG_CEPH_LIB=y
-CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
-CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
-CONFIG_CONNECTOR=y
 CONFIG_MTD=y
 CONFIG_MTD_BLOCK2MTD=y
 CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_RAM=y
-CONFIG_BLK_DEV_RAM_SIZE=65536
 CONFIG_VIRTIO_BLK=y
+CONFIG_SCSI=y
 # CONFIG_SCSI_PROC_FS is not set
 CONFIG_BLK_DEV_SD=y
 CONFIG_SCSI_VIRTIO=y
-CONFIG_ATA=y
-# CONFIG_SATA_PMP is not set
-# CONFIG_ATA_SFF is not set
 CONFIG_MD=y
-CONFIG_MD_LINEAR=y
-CONFIG_MD_RAID0=y
-CONFIG_MD_MULTIPATH=y
-CONFIG_MD_FAULTY=y
 CONFIG_BLK_DEV_DM=y
-CONFIG_DM_CRYPT=y
 CONFIG_DM_SNAPSHOT=y
 CONFIG_DM_THIN_PROVISIONING=y
-CONFIG_DM_MIRROR=y
-CONFIG_DM_RAID=y
 CONFIG_DM_ZERO=y
 CONFIG_DM_FLAKEY=y
 CONFIG_NETDEVICES=y
-CONFIG_DUMMY=y
-CONFIG_NETCONSOLE=y
-CONFIG_NETCONSOLE_DYNAMIC=y
-CONFIG_TUN=y
-CONFIG_VETH=y
 CONFIG_VIRTIO_NET=y
-# CONFIG_NET_VENDOR_3COM is not set
-# CONFIG_NET_VENDOR_ADAPTEC is not set
-# CONFIG_NET_VENDOR_AGERE is not set
-# CONFIG_NET_VENDOR_ALTEON is not set
-# CONFIG_NET_VENDOR_AMAZON is not set
-# CONFIG_NET_VENDOR_AMD is not set
-# CONFIG_NET_VENDOR_ARC is not set
-# CONFIG_NET_VENDOR_ATHEROS is not set
-# CONFIG_NET_CADENCE is not set
-# CONFIG_NET_VENDOR_BROADCOM is not set
-# CONFIG_NET_VENDOR_BROCADE is not set
-# CONFIG_NET_VENDOR_CAVIUM is not set
-# CONFIG_NET_VENDOR_CHELSIO is not set
-# CONFIG_NET_VENDOR_CISCO is not set
-# CONFIG_NET_VENDOR_DEC is not set
-# CONFIG_NET_VENDOR_DLINK is not set
-# CONFIG_NET_VENDOR_EMULEX is not set
-# CONFIG_NET_VENDOR_EZCHIP is not set
-# CONFIG_NET_VENDOR_EXAR is not set
-# CONFIG_NET_VENDOR_HP is not set
-CONFIG_E1000=y
-CONFIG_E1000E=y
-CONFIG_IXGBEVF=y
-CONFIG_I40EVF=y
-# CONFIG_NET_VENDOR_MARVELL is not set
-# CONFIG_NET_VENDOR_MELLANOX is not set
-# CONFIG_NET_VENDOR_MICREL is not set
-# CONFIG_NET_VENDOR_MYRI is not set
-# CONFIG_NET_VENDOR_NATSEMI is not set
-# CONFIG_NET_VENDOR_NVIDIA is not set
-# CONFIG_NET_VENDOR_OKI is not set
-# CONFIG_NET_PACKET_ENGINE is not set
-# CONFIG_NET_VENDOR_QLOGIC is not set
-# CONFIG_NET_VENDOR_QUALCOMM is not set
-# CONFIG_NET_VENDOR_REALTEK is not set
-# CONFIG_NET_VENDOR_RENESAS is not set
-# CONFIG_NET_VENDOR_RDC is not set
-# CONFIG_NET_VENDOR_ROCKER is not set
-# CONFIG_NET_VENDOR_SAMSUNG is not set
-# CONFIG_NET_VENDOR_SEEQ is not set
-# CONFIG_NET_VENDOR_SILAN is not set
-# CONFIG_NET_VENDOR_SIS is not set
-# CONFIG_NET_VENDOR_SMSC is not set
-# CONFIG_NET_VENDOR_STMICRO is not set
-# CONFIG_NET_VENDOR_SUN is not set
-# CONFIG_NET_VENDOR_SYNOPSYS is not set
-# CONFIG_NET_VENDOR_TEHUTI is not set
-# CONFIG_NET_VENDOR_TI is not set
-# CONFIG_NET_VENDOR_VIA is not set
-# CONFIG_NET_VENDOR_WIZNET is not set
-CONFIG_PHYLIB=y
+# CONFIG_ETHERNET is not set
 # CONFIG_WLAN is not set
 # CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO_SERPORT is not set
-CONFIG_VT_HW_CONSOLE_BINDING=y
+# CONFIG_LEGACY_PTYS is not set
 CONFIG_SERIAL_8250=y
 # CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=32
 CONFIG_SERIAL_8250_RUNTIME_UARTS=32
-CONFIG_VIRTIO_CONSOLE=y
-# CONFIG_HW_RANDOM_INTEL is not set
-# CONFIG_HW_RANDOM_AMD is not set
-# CONFIG_HW_RANDOM_VIA is not set
-CONFIG_HW_RANDOM_VIRTIO=y
+# CONFIG_HW_RANDOM is not set
 # CONFIG_HWMON is not set
 # CONFIG_X86_PKG_TEMP_THERMAL is not set
 # CONFIG_HID is not set
 # CONFIG_USB_SUPPORT is not set
-CONFIG_EDAC=y
 CONFIG_RTC_CLASS=y
 # CONFIG_RTC_DRV_CMOS is not set
 CONFIG_VIRT_DRIVERS=y
@@ -213,7 +93,7 @@  CONFIG_VIRTIO_PCI=y
 CONFIG_VIRTIO_BALLOON=y
 # CONFIG_X86_PLATFORM_DEVICES is not set
 # CONFIG_IOMMU_SUPPORT is not set
-CONFIG_DMI_SYSFS=y
+# CONFIG_DMIID is not set
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y
 CONFIG_EXT2_FS_POSIX_ACL=y
@@ -222,55 +102,40 @@  CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
 CONFIG_EXT4_FS_SECURITY=y
 CONFIG_EXT4_ENCRYPTION=y
+CONFIG_EXT4_DEBUG=y
+CONFIG_JBD2_DEBUG=y
 CONFIG_XFS_FS=y
 CONFIG_XFS_QUOTA=y
 CONFIG_XFS_POSIX_ACL=y
 CONFIG_XFS_RT=y
 CONFIG_BTRFS_FS=y
+CONFIG_BTRFS_FS_POSIX_ACL=y
+CONFIG_BTRFS_DEBUG=y
+CONFIG_BTRFS_ASSERT=y
 CONFIG_F2FS_FS=y
 CONFIG_F2FS_FS_SECURITY=y
+CONFIG_F2FS_CHECK_FS=y
 CONFIG_F2FS_FS_ENCRYPTION=y
 CONFIG_FS_DAX=y
-CONFIG_FANOTIFY=y
-CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y
 CONFIG_QUOTA=y
 CONFIG_QUOTA_NETLINK_INTERFACE=y
 # CONFIG_PRINT_QUOTA_WARNING is not set
 CONFIG_QFMT_V2=y
 CONFIG_AUTOFS4_FS=y
-CONFIG_FUSE_FS=y
-CONFIG_CUSE=y
 CONFIG_OVERLAY_FS=y
-CONFIG_FSCACHE=y
-CONFIG_FSCACHE_STATS=y
-CONFIG_CACHEFILES=y
-CONFIG_VFAT_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_PROC_CHILDREN=y
 CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
-CONFIG_CONFIGFS_FS=y
-CONFIG_ECRYPT_FS=y
-CONFIG_ECRYPT_FS_MESSAGING=y
 CONFIG_UBIFS_FS=y
-CONFIG_CRAMFS=y
-CONFIG_SQUASHFS=y
-CONFIG_SQUASHFS_XATTR=y
-CONFIG_SQUASHFS_LZO=y
-CONFIG_SQUASHFS_XZ=y
-CONFIG_ROMFS_FS=y
 # CONFIG_NETWORK_FILESYSTEMS is not set
 CONFIG_NLS_DEFAULT="utf8"
-CONFIG_NLS_CODEPAGE_437=y
-CONFIG_NLS_CODEPAGE_850=y
 CONFIG_NLS_ASCII=y
-CONFIG_NLS_ISO8859_1=y
 CONFIG_NLS_UTF8=y
-CONFIG_DLM=y
 CONFIG_PRINTK_TIME=y
+CONFIG_DYNAMIC_DEBUG=y
 CONFIG_DEBUG_INFO=y
-# CONFIG_ENABLE_MUST_CHECK is not set
-# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_INFO_REDUCED=y
 CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
@@ -283,89 +148,26 @@  CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=3000
 CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_LOCKUP_DETECTOR=y
-# CONFIG_DETECT_HUNG_TASK is not set
 CONFIG_WQ_WATCHDOG=y
 CONFIG_PANIC_TIMEOUT=5
-# CONFIG_SCHED_DEBUG is not set
 CONFIG_DEBUG_RT_MUTEXES=y
 CONFIG_PROVE_LOCKING=y
 CONFIG_LOCK_STAT=y
-CONFIG_DEBUG_LOCKDEP=y
-CONFIG_RCU_CPU_STALL_TIMEOUT=60
+CONFIG_DEBUG_ATOMIC_SLEEP=y
+CONFIG_DEBUG_LIST=y
+CONFIG_DEBUG_SG=y
 CONFIG_RCU_EQS_DEBUG=y
 CONFIG_FAULT_INJECTION=y
 CONFIG_FAIL_MAKE_REQUEST=y
 CONFIG_FAULT_INJECTION_DEBUG_FS=y
+CONFIG_FUNCTION_TRACER=y
 CONFIG_FTRACE_SYSCALLS=y
 CONFIG_TRACER_SNAPSHOT=y
-CONFIG_STACK_TRACER=y
 CONFIG_BLK_DEV_IO_TRACE=y
 CONFIG_FUNCTION_PROFILER=y
-CONFIG_STRICT_DEVMEM=y
-# CONFIG_DEBUG_RODATA_TEST is not set
 CONFIG_DEBUG_WX=y
-# CONFIG_X86_DEBUG_FPU is not set
-CONFIG_SECURITY=y
-CONFIG_SECURITYFS=y
-CONFIG_SECURITY_NETWORK=y
-CONFIG_SECURITY_NETWORK_XFRM=y
-CONFIG_SECURITY_PATH=y
-CONFIG_SECURITY_YAMA=y
-CONFIG_CRYPTO_USER=y
 # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set
-CONFIG_CRYPTO_AUTHENC=y
-CONFIG_CRYPTO_CCM=y
-CONFIG_CRYPTO_GCM=y
-CONFIG_CRYPTO_PCBC=y
-CONFIG_CRYPTO_CMAC=y
-CONFIG_CRYPTO_XCBC=y
-CONFIG_CRYPTO_VMAC=y
 CONFIG_CRYPTO_CRC32C_INTEL=y
 CONFIG_CRYPTO_CRC32_PCLMUL=y
-CONFIG_CRYPTO_CRCT10DIF_PCLMUL=y
-CONFIG_CRYPTO_MD4=y
-CONFIG_CRYPTO_MICHAEL_MIC=y
-CONFIG_CRYPTO_RMD128=y
-CONFIG_CRYPTO_RMD160=y
-CONFIG_CRYPTO_RMD256=y
-CONFIG_CRYPTO_RMD320=y
-CONFIG_CRYPTO_SHA1_SSSE3=y
-CONFIG_CRYPTO_SHA256_SSSE3=y
-CONFIG_CRYPTO_SHA512_SSSE3=y
-CONFIG_CRYPTO_SHA1_MB=y
-CONFIG_CRYPTO_TGR192=y
-CONFIG_CRYPTO_WP512=y
-CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL=y
 CONFIG_CRYPTO_AES_NI_INTEL=y
-CONFIG_CRYPTO_ANUBIS=y
-CONFIG_CRYPTO_ARC4=y
-CONFIG_CRYPTO_BLOWFISH=y
-CONFIG_CRYPTO_BLOWFISH_X86_64=y
-CONFIG_CRYPTO_CAMELLIA=y
-CONFIG_CRYPTO_CAMELLIA_AESNI_AVX2_X86_64=y
-CONFIG_CRYPTO_CAST5_AVX_X86_64=y
-CONFIG_CRYPTO_CAST6_AVX_X86_64=y
-CONFIG_CRYPTO_DES3_EDE_X86_64=y
-CONFIG_CRYPTO_FCRYPT=y
-CONFIG_CRYPTO_KHAZAD=y
-CONFIG_CRYPTO_SALSA20=y
-CONFIG_CRYPTO_SALSA20_X86_64=y
-CONFIG_CRYPTO_SEED=y
-CONFIG_CRYPTO_SERPENT_SSE2_X86_64=y
-CONFIG_CRYPTO_SERPENT_AVX2_X86_64=y
-CONFIG_CRYPTO_TEA=y
-CONFIG_CRYPTO_TWOFISH=y
-CONFIG_CRYPTO_TWOFISH_AVX_X86_64=y
-CONFIG_CRYPTO_LZ4=y
-CONFIG_CRYPTO_LZ4HC=y
-CONFIG_CRYPTO_ANSI_CPRNG=y
-CONFIG_CRYPTO_DRBG_HASH=y
-CONFIG_CRYPTO_DRBG_CTR=y
-CONFIG_CRYPTO_USER_API_HASH=y
-CONFIG_CRYPTO_USER_API_SKCIPHER=y
-CONFIG_ASYMMETRIC_KEY_TYPE=y
-CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=y
-CONFIG_CRC_CCITT=y
-CONFIG_CRC_ITU_T=y
-CONFIG_CRC8=y
-CONFIG_CORDIC=y
+# CONFIG_CRYPTO_HW is not set