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/malta/le64/config-default | 6 ------ 1 file changed, 6 deletions(-) (limited to 'target/linux/malta/le64/config-default') diff --git a/target/linux/malta/le64/config-default b/target/linux/malta/le64/config-default index 06755fe54e..87bb0fb6b7 100644 --- a/target/linux/malta/le64/config-default +++ b/target/linux/malta/le64/config-default @@ -4,14 +4,10 @@ CONFIG_ARCH_DMA_ADDR_T_64BIT=y CONFIG_ARCH_MMAP_RND_BITS=12 CONFIG_ARCH_MMAP_RND_BITS_MAX=18 CONFIG_ARCH_MMAP_RND_BITS_MIN=12 -CONFIG_ARCH_MMAP_RND_COMPAT_BITS=8 CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y CONFIG_ARCH_WANT_OLD_COMPAT_IPC=y CONFIG_BINFMT_ELF32=y -CONFIG_BLOCK_COMPAT=y -CONFIG_COMPAT=y -CONFIG_COMPAT_NETLINK_MESSAGES=y # CONFIG_CPU_BIG_ENDIAN is not set CONFIG_CPU_LITTLE_ENDIAN=y CONFIG_CPU_MIPS64=y @@ -20,7 +16,6 @@ CONFIG_CPU_MIPSR1=y CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y CONFIG_CPU_SUPPORTS_HUGEPAGES=y CONFIG_HAVE_64BIT_ALIGNED_ACCESS=y -CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS=y CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y CONFIG_HAVE_EBPF_JIT=y CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y @@ -33,6 +28,5 @@ CONFIG_MODULES_USE_ELF_RELA=y CONFIG_PCI_BUS_ADDR_T_64BIT=y CONFIG_PGTABLE_LEVELS=3 CONFIG_PHYS_ADDR_T_64BIT=y -CONFIG_SYSVIPC_COMPAT=y CONFIG_SYS_SUPPORTS_HUGETLBFS=y CONFIG_ZONE_DMA32=y -- cgit v1.2.3