From 46af22de16b2ced67116f1ad96bb00cf98146c3e Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 7 Apr 2019 17:14:24 +0200 Subject: kernel: Remove CONFIG_COMPAT This removes support for executing old 32 bit applications on 64 bit ARM and MIPS kernels. On OpenWrt we normally compile all the user space applications on our own and do not support third party binary only modules especial not 32 bit applications on 64 bit CPUs. This reduces the attack surface on such systems and should also save some memory. Signed-off-by: Hauke Mehrtens --- target/linux/mediatek/mt7622/config-4.14 | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'target/linux/mediatek/mt7622/config-4.14') diff --git a/target/linux/mediatek/mt7622/config-4.14 b/target/linux/mediatek/mt7622/config-4.14 index 58ab6642fc..eab9aa247f 100644 --- a/target/linux/mediatek/mt7622/config-4.14 +++ b/target/linux/mediatek/mt7622/config-4.14 @@ -19,7 +19,6 @@ CONFIG_ARCH_MEDIATEK=y CONFIG_ARCH_MMAP_RND_BITS=18 CONFIG_ARCH_MMAP_RND_BITS_MAX=24 CONFIG_ARCH_MMAP_RND_BITS_MIN=18 -CONFIG_ARCH_MMAP_RND_COMPAT_BITS=11 CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MIN=11 # CONFIG_ARCH_OPTIONAL_KERNEL_RWX is not set # CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set @@ -58,7 +57,6 @@ CONFIG_ARM64_VA_BITS=39 CONFIG_ARM64_VA_BITS_39=y # CONFIG_ARM64_VA_BITS_48 is not set CONFIG_ARM64_VHE=y -# CONFIG_ARMV8_DEPRECATED is not set CONFIG_ARM_AMBA=y CONFIG_ARM_ARCH_TIMER=y CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y @@ -75,7 +73,6 @@ CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y CONFIG_BLK_DEV_SD=y CONFIG_BLK_MQ_PCI=y CONFIG_BLK_SCSI_REQUEST=y -CONFIG_BLOCK_COMPAT=y # CONFIG_BOUNCE is not set CONFIG_BSD_PROCESS_ACCT=y CONFIG_BSD_PROCESS_ACCT_V3=y @@ -108,10 +105,6 @@ CONFIG_COMMON_CLK_MT7622_AUDSYS=y CONFIG_COMMON_CLK_MT7622_ETHSYS=y CONFIG_COMMON_CLK_MT7622_HIFSYS=y # CONFIG_COMMON_CLK_MT8173 is not set -CONFIG_COMPAT=y -CONFIG_COMPAT_BINFMT_ELF=y -CONFIG_COMPAT_NETLINK_MESSAGES=y -CONFIG_COMPAT_OLD_SIGACTION=y CONFIG_CONSOLE_LOGLEVEL_DEFAULT=15 # CONFIG_CPUFREQ_DT is not set # CONFIG_CPU_BIG_ENDIAN is not set @@ -213,7 +206,6 @@ CONFIG_HAVE_ARCH_HUGE_VMAP=y CONFIG_HAVE_ARCH_JUMP_LABEL=y CONFIG_HAVE_ARCH_KASAN=y CONFIG_HAVE_ARCH_KGDB=y -CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS=y CONFIG_HAVE_ARCH_PFN_VALID=y CONFIG_HAVE_ARCH_SECCOMP_FILTER=y CONFIG_HAVE_ARCH_TRACEHOOK=y @@ -252,7 +244,6 @@ CONFIG_HAVE_PERF_USER_STACK_DUMP=y CONFIG_HAVE_RCU_TABLE_FREE=y CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y CONFIG_HAVE_SYSCALL_TRACEPOINTS=y -CONFIG_HAVE_UID16=y CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y # CONFIG_HUGETLBFS is not set # CONFIG_HW_RANDOM_MTK is not set @@ -331,7 +322,6 @@ CONFIG_OF_NET=y CONFIG_OF_PCI=y CONFIG_OF_PCI_IRQ=y CONFIG_OF_RESERVED_MEM=y -CONFIG_OLD_SIGSUSPEND3=y CONFIG_PADATA=y CONFIG_PARTITION_PERCPU=y CONFIG_PCI=y @@ -419,7 +409,6 @@ CONFIG_SWAP=y CONFIG_SWIOTLB=y CONFIG_SWPHY=y CONFIG_SYSCTL_EXCEPTION_TRACE=y -CONFIG_SYSVIPC_COMPAT=y CONFIG_SYS_SUPPORTS_HUGETLBFS=y CONFIG_THERMAL=y CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y -- cgit v1.2.3