Date:   Wed, 5 Feb 2020 19:18:10 +0100
From:   Philippe Mathieu-Daudé <f4bug@...at.org>
To:     Finn Thain <fthain@...egraphics.com.au>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paulburton@...nel.org>,
        James Hogan <jhogan@...nel.org>
Cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] mips/jazz: Remove redundant settings and shrink
 jazz_defconfig

On 2/2/20 3:33 AM, Finn Thain wrote:
> Remove some redundant assignments, that have no effect on
> 'make jazz_defconfig':
> 
> CONFIG_INET_XFRM_MODE_TRANSPORT=m
> CONFIG_INET_XFRM_MODE_TUNNEL=m
> CONFIG_CRYPTO_HMAC=y
> 
> Also drop the settings relating to crypto, wireless, advanced
> networking etc. The Kconfig defaults for these options are fine.
> 
> This reduces the size of vmlinux so it can be launched by
> "NetBSD/arc Bootstrap, Revision 1.1", which is conveniently available
> on NetBSD/arc 5.1 ISO images.
> 
> Signed-off-by: Finn Thain <fthain@...egraphics.com.au>
> ---
>  arch/mips/configs/jazz_defconfig | 254 -------------------------------
>  1 file changed, 254 deletions(-)
> 
> diff --git a/arch/mips/configs/jazz_defconfig b/arch/mips/configs/jazz_defconfig
> index 328d4dfeb4cb..b13b2396a8a9 100644
> --- a/arch/mips/configs/jazz_defconfig
> +++ b/arch/mips/configs/jazz_defconfig
> @@ -2,8 +2,6 @@ CONFIG_SYSVIPC=y
>  CONFIG_POSIX_MQUEUE=y
>  CONFIG_PREEMPT_VOLUNTARY=y
>  CONFIG_BSD_PROCESS_ACCT=y
> -CONFIG_IKCONFIG=y
> -CONFIG_IKCONFIG_PROC=y
>  CONFIG_LOG_BUF_SHIFT=14
>  CONFIG_RELAY=y
>  CONFIG_EXPERT=y
> @@ -18,168 +16,16 @@ CONFIG_BINFMT_MISC=m
>  CONFIG_NET=y
>  CONFIG_PACKET=m
>  CONFIG_UNIX=y
> -CONFIG_NET_KEY=m
> -CONFIG_NET_KEY_MIGRATE=y
>  CONFIG_INET=y
>  CONFIG_IP_MULTICAST=y
>  CONFIG_NET_IPIP=m
> -CONFIG_IP_MROUTE=y
> -CONFIG_IP_PIMSM_V1=y
> -CONFIG_IP_PIMSM_V2=y
> -CONFIG_INET_XFRM_MODE_TRANSPORT=m
> -CONFIG_INET_XFRM_MODE_TUNNEL=m
> -CONFIG_TCP_MD5SIG=y
> -CONFIG_IPV6_ROUTER_PREF=y
> -CONFIG_IPV6_ROUTE_INFO=y
>  CONFIG_INET6_AH=m
>  CONFIG_INET6_ESP=m
>  CONFIG_INET6_IPCOMP=m
> -CONFIG_IPV6_TUNNEL=m
> -CONFIG_NETWORK_SECMARK=y
> -CONFIG_NETFILTER=y
> -CONFIG_NF_CONNTRACK=m
> -CONFIG_NF_CONNTRACK_SECMARK=y
> -CONFIG_NF_CONNTRACK_EVENTS=y
> -CONFIG_NF_CONNTRACK_AMANDA=m
> -CONFIG_NF_CONNTRACK_FTP=m
> -CONFIG_NF_CONNTRACK_H323=m
> -CONFIG_NF_CONNTRACK_IRC=m
> -CONFIG_NF_CONNTRACK_PPTP=m
> -CONFIG_NF_CONNTRACK_SANE=m
> -CONFIG_NF_CONNTRACK_SIP=m
> -CONFIG_NF_CONNTRACK_TFTP=m
> -CONFIG_NF_CT_NETLINK=m
> -CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
> -CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
> -CONFIG_NETFILTER_XT_TARGET_MARK=m
> -CONFIG_NETFILTER_XT_TARGET_NFLOG=m
> -CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
> -CONFIG_NETFILTER_XT_TARGET_SECMARK=m
> -CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
> -CONFIG_NETFILTER_XT_MATCH_COMMENT=m
> -CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
> -CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
> -CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
> -CONFIG_NETFILTER_XT_MATCH_DCCP=m
> -CONFIG_NETFILTER_XT_MATCH_ESP=m
> -CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
> -CONFIG_NETFILTER_XT_MATCH_HELPER=m
> -CONFIG_NETFILTER_XT_MATCH_LENGTH=m
> -CONFIG_NETFILTER_XT_MATCH_LIMIT=m
> -CONFIG_NETFILTER_XT_MATCH_MAC=m
> -CONFIG_NETFILTER_XT_MATCH_MARK=m
> -CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
> -CONFIG_NETFILTER_XT_MATCH_POLICY=m
> -CONFIG_NETFILTER_XT_MATCH_PHYSDEV=m
> -CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
> -CONFIG_NETFILTER_XT_MATCH_QUOTA=m
> -CONFIG_NETFILTER_XT_MATCH_REALM=m
> -CONFIG_NETFILTER_XT_MATCH_STATE=m
> -CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
> -CONFIG_NETFILTER_XT_MATCH_STRING=m
> -CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
> -CONFIG_IP_NF_IPTABLES=m
> -CONFIG_IP_NF_MATCH_AH=m
> -CONFIG_IP_NF_MATCH_ECN=m
> -CONFIG_IP_NF_MATCH_TTL=m
> -CONFIG_IP_NF_FILTER=m
> -CONFIG_IP_NF_TARGET_REJECT=m
> -CONFIG_IP_NF_MANGLE=m
> -CONFIG_IP_NF_TARGET_CLUSTERIP=m
> -CONFIG_IP_NF_TARGET_ECN=m
> -CONFIG_IP_NF_TARGET_TTL=m
> -CONFIG_IP_NF_RAW=m
> -CONFIG_IP_NF_ARPTABLES=m
> -CONFIG_IP_NF_ARPFILTER=m
> -CONFIG_IP_NF_ARP_MANGLE=m
> -CONFIG_IP6_NF_IPTABLES=m
> -CONFIG_IP6_NF_MATCH_AH=m
> -CONFIG_IP6_NF_MATCH_EUI64=m
> -CONFIG_IP6_NF_MATCH_FRAG=m
> -CONFIG_IP6_NF_MATCH_OPTS=m
> -CONFIG_IP6_NF_MATCH_HL=m
> -CONFIG_IP6_NF_MATCH_IPV6HEADER=m
> -CONFIG_IP6_NF_MATCH_MH=m
> -CONFIG_IP6_NF_MATCH_RT=m
> -CONFIG_IP6_NF_TARGET_HL=m
> -CONFIG_IP6_NF_FILTER=m
> -CONFIG_IP6_NF_TARGET_REJECT=m
> -CONFIG_IP6_NF_MANGLE=m
> -CONFIG_IP6_NF_RAW=m
> -CONFIG_DECNET_NF_GRABULATOR=m
> -CONFIG_BRIDGE_NF_EBTABLES=m
> -CONFIG_BRIDGE_EBT_BROUTE=m
> -CONFIG_BRIDGE_EBT_T_FILTER=m
> -CONFIG_BRIDGE_EBT_T_NAT=m
> -CONFIG_BRIDGE_EBT_802_3=m
> -CONFIG_BRIDGE_EBT_AMONG=m
> -CONFIG_BRIDGE_EBT_ARP=m
> -CONFIG_BRIDGE_EBT_IP=m
> -CONFIG_BRIDGE_EBT_LIMIT=m
> -CONFIG_BRIDGE_EBT_MARK=m
> -CONFIG_BRIDGE_EBT_PKTTYPE=m
> -CONFIG_BRIDGE_EBT_STP=m
> -CONFIG_BRIDGE_EBT_VLAN=m
> -CONFIG_BRIDGE_EBT_ARPREPLY=m
> -CONFIG_BRIDGE_EBT_DNAT=m
> -CONFIG_BRIDGE_EBT_MARK_T=m
> -CONFIG_BRIDGE_EBT_REDIRECT=m
> -CONFIG_BRIDGE_EBT_SNAT=m
> -CONFIG_BRIDGE_EBT_LOG=m
> -CONFIG_BRIDGE=m
> -CONFIG_DECNET=m
> -CONFIG_NET_SCHED=y
> -CONFIG_NET_SCH_CBQ=m
> -CONFIG_NET_SCH_HTB=m
> -CONFIG_NET_SCH_HFSC=m
> -CONFIG_NET_SCH_PRIO=m
> -CONFIG_NET_SCH_RED=m
> -CONFIG_NET_SCH_SFQ=m
> -CONFIG_NET_SCH_TEQL=m
> -CONFIG_NET_SCH_TBF=m
> -CONFIG_NET_SCH_GRED=m
> -CONFIG_NET_SCH_DSMARK=m
> -CONFIG_NET_SCH_NETEM=m
> -CONFIG_NET_CLS_BASIC=m
> -CONFIG_NET_CLS_TCINDEX=m
> -CONFIG_NET_CLS_ROUTE4=m
> -CONFIG_NET_CLS_FW=m
> -CONFIG_NET_CLS_U32=m
> -CONFIG_NET_CLS_RSVP=m
> -CONFIG_NET_CLS_RSVP6=m
> -CONFIG_HAMRADIO=y
> -CONFIG_AX25=m
> -CONFIG_NETROM=m
> -CONFIG_ROSE=m
> -CONFIG_MKISS=m
> -CONFIG_6PACK=m
> -CONFIG_BPQETHER=m
> -CONFIG_CONNECTOR=m
>  CONFIG_PARPORT=m
>  CONFIG_PARPORT_PC=m
>  CONFIG_PARPORT_1284=y
>  CONFIG_BLK_DEV_FD=m
> -CONFIG_PARIDE=m
> -CONFIG_PARIDE_PD=m
> -CONFIG_PARIDE_PCD=m
> -CONFIG_PARIDE_PF=m
> -CONFIG_PARIDE_PT=m
> -CONFIG_PARIDE_PG=m
> -CONFIG_PARIDE_ATEN=m
> -CONFIG_PARIDE_BPCK=m
> -CONFIG_PARIDE_BPCK6=m
> -CONFIG_PARIDE_COMM=m
> -CONFIG_PARIDE_DSTR=m
> -CONFIG_PARIDE_FIT2=m
> -CONFIG_PARIDE_FIT3=m
> -CONFIG_PARIDE_EPAT=m
> -CONFIG_PARIDE_EPIA=m
> -CONFIG_PARIDE_FRIQ=m
> -CONFIG_PARIDE_FRPW=m
> -CONFIG_PARIDE_KBIC=m
> -CONFIG_PARIDE_KTTI=m
> -CONFIG_PARIDE_ON20=m
> -CONFIG_PARIDE_ON26=m
>  CONFIG_BLK_DEV_LOOP=m
>  CONFIG_BLK_DEV_CRYPTOLOOP=m
>  CONFIG_BLK_DEV_NBD=m
> @@ -194,26 +40,10 @@ CONFIG_BLK_DEV_SR=m
>  CONFIG_BLK_DEV_SR_VENDOR=y
>  CONFIG_SCSI_CONSTANTS=y
>  CONFIG_SCSI_SCAN_ASYNC=y
> -CONFIG_SCSI_FC_ATTRS=y
> -CONFIG_SCSI_SAS_ATTRS=m
>  CONFIG_ISCSI_TCP=m
>  CONFIG_SCSI_PPA=m
>  CONFIG_SCSI_IMM=m
>  CONFIG_JAZZ_ESP=y
> -CONFIG_MD=y
> -CONFIG_BLK_DEV_MD=m
> -CONFIG_MD_LINEAR=m
> -CONFIG_MD_RAID0=m
> -CONFIG_MD_RAID1=m
> -CONFIG_MD_RAID10=m
> -CONFIG_MD_RAID456=m
> -CONFIG_MD_MULTIPATH=m
> -CONFIG_MD_FAULTY=m
> -CONFIG_BLK_DEV_DM=m
> -CONFIG_DM_SNAPSHOT=m
> -CONFIG_DM_MIRROR=m
> -CONFIG_DM_ZERO=m
> -CONFIG_DM_MULTIPATH=m
>  CONFIG_NETDEVICES=y
>  CONFIG_BONDING=m
>  CONFIG_DUMMY=m
> @@ -221,16 +51,6 @@ CONFIG_EQUALIZER=m
>  CONFIG_TUN=m
>  CONFIG_MIPS_JAZZ_SONIC=y
>  CONFIG_NE2000=m
> -CONFIG_PHYLIB=m
> -CONFIG_CICADA_PHY=m
> -CONFIG_DAVICOM_PHY=m
> -CONFIG_LXT_PHY=m
> -CONFIG_MARVELL_PHY=m
> -CONFIG_QSEMI_PHY=m
> -CONFIG_SMSC_PHY=m
> -CONFIG_VITESSE_PHY=m
> -CONFIG_PLIP=m
> -CONFIG_INPUT_FF_MEMLESS=m
>  CONFIG_SERIO_PARKBD=m
>  CONFIG_SERIO_RAW=m
>  CONFIG_VT_HW_CONSOLE_BINDING=y
> @@ -239,10 +59,6 @@ CONFIG_SERIAL_8250_EXTENDED=y
>  CONFIG_SERIAL_8250_SHARE_IRQ=y
>  CONFIG_SERIAL_8250_DETECT_IRQ=y
>  CONFIG_SERIAL_8250_RSA=y
> -CONFIG_PRINTER=m
> -CONFIG_PPDEV=m
> -# CONFIG_HW_RANDOM is not set
> -CONFIG_W1=m
>  # CONFIG_HWMON is not set
>  CONFIG_EXT2_FS=m
>  CONFIG_EXT3_FS=y
> @@ -263,78 +79,8 @@ CONFIG_VFAT_FS=m
>  CONFIG_NTFS_FS=m
>  CONFIG_PROC_KCORE=y
>  CONFIG_TMPFS=y
> -CONFIG_ADFS_FS=m
> -CONFIG_AFFS_FS=m
> -CONFIG_HFS_FS=m
> -CONFIG_BEFS_FS=m
> -CONFIG_BFS_FS=m
> -CONFIG_EFS_FS=m
> -CONFIG_CRAMFS=m
> -CONFIG_VXFS_FS=m
> -CONFIG_MINIX_FS=m
> -CONFIG_HPFS_FS=m
> -CONFIG_QNX4FS_FS=m
> -CONFIG_ROMFS_FS=m
> -CONFIG_SYSV_FS=m
>  CONFIG_UFS_FS=m
>  CONFIG_NFS_FS=m
>  CONFIG_NFSD=m
>  CONFIG_NFSD_V3=y
>  CONFIG_CIFS=m
> -CONFIG_CODA_FS=m
> -CONFIG_AFS_FS=m
> -CONFIG_NLS_CODEPAGE_437=m
> -CONFIG_NLS_CODEPAGE_737=m
> -CONFIG_NLS_CODEPAGE_775=m
> -CONFIG_NLS_CODEPAGE_850=m
> -CONFIG_NLS_CODEPAGE_852=m
> -CONFIG_NLS_CODEPAGE_855=m
> -CONFIG_NLS_CODEPAGE_857=m
> -CONFIG_NLS_CODEPAGE_860=m
> -CONFIG_NLS_CODEPAGE_861=m
> -CONFIG_NLS_CODEPAGE_862=m
> -CONFIG_NLS_CODEPAGE_863=m
> -CONFIG_NLS_CODEPAGE_864=m
> -CONFIG_NLS_CODEPAGE_865=m
> -CONFIG_NLS_CODEPAGE_866=m
> -CONFIG_NLS_CODEPAGE_869=m
> -CONFIG_NLS_CODEPAGE_936=m
> -CONFIG_NLS_CODEPAGE_950=m
> -CONFIG_NLS_CODEPAGE_932=m
> -CONFIG_NLS_CODEPAGE_949=m
> -CONFIG_NLS_CODEPAGE_874=m
> -CONFIG_NLS_ISO8859_8=m
> -CONFIG_NLS_CODEPAGE_1250=m
> -CONFIG_NLS_CODEPAGE_1251=m
> -CONFIG_NLS_ASCII=m
> -CONFIG_NLS_ISO8859_1=m
> -CONFIG_NLS_ISO8859_2=m
> -CONFIG_NLS_ISO8859_3=m
> -CONFIG_NLS_ISO8859_4=m
> -CONFIG_NLS_ISO8859_5=m
> -CONFIG_NLS_ISO8859_6=m
> -CONFIG_NLS_ISO8859_7=m
> -CONFIG_NLS_ISO8859_9=m
> -CONFIG_NLS_ISO8859_13=m
> -CONFIG_NLS_ISO8859_14=m
> -CONFIG_NLS_ISO8859_15=m
> -CONFIG_NLS_KOI8_R=m
> -CONFIG_NLS_KOI8_U=m
> -CONFIG_NLS_UTF8=m
> -CONFIG_CRYPTO_LRW=m
> -CONFIG_CRYPTO_PCBC=m
> -CONFIG_CRYPTO_HMAC=y
> -CONFIG_CRYPTO_XCBC=m
> -CONFIG_CRYPTO_MICHAEL_MIC=m
> -CONFIG_CRYPTO_TGR192=m
> -CONFIG_CRYPTO_WP512=m
> -CONFIG_CRYPTO_ANUBIS=m
> -CONFIG_CRYPTO_BLOWFISH=m
> -CONFIG_CRYPTO_CAMELLIA=m
> -CONFIG_CRYPTO_CAST6=m
> -CONFIG_CRYPTO_FCRYPT=m
> -CONFIG_CRYPTO_KHAZAD=m
> -CONFIG_CRYPTO_SERPENT=m
> -CONFIG_CRYPTO_TEA=m
> -CONFIG_CRYPTO_TWOFISH=m
> -CONFIG_CRC_CCITT=m
> 

Tested-by: Philippe Mathieu-Daudé <f4bug@...at.org>

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