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/octeon/config-4.14 | 6 ------ target/linux/octeon/config-4.19 | 7 ------- 2 files changed, 13 deletions(-) (limited to 'target/linux/octeon') diff --git a/target/linux/octeon/config-4.14 b/target/linux/octeon/config-4.14 index 0546a6fb29..6393c728f3 100644 --- a/target/linux/octeon/config-4.14 +++ b/target/linux/octeon/config-4.14 @@ -14,7 +14,6 @@ CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=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_MMAP_RND_COMPAT_BITS_MAX=15 # CONFIG_ARCH_OPTIONAL_KERNEL_RWX is not set # CONFIG_ARCH_OPTIONAL_KERNEL_RWX_DEFAULT is not set @@ -34,7 +33,6 @@ CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_SD=y CONFIG_BLK_MQ_PCI=y CONFIG_BLK_SCSI_REQUEST=y -CONFIG_BLOCK_COMPAT=y # CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0 CONFIG_BUILTIN_DTB=y @@ -49,8 +47,6 @@ CONFIG_CAVIUM_OCTEON_LOCK_L2_TLB=y CONFIG_CAVIUM_OCTEON_SOC=y CONFIG_CEVT_R4K=y CONFIG_CLONE_BACKWARDS=y -CONFIG_COMPAT=y -CONFIG_COMPAT_NETLINK_MESSAGES=y CONFIG_CPU_BIG_ENDIAN=y CONFIG_CPU_CAVIUM_OCTEON=y CONFIG_CPU_GENERIC_DUMP_TLB=y @@ -125,7 +121,6 @@ CONFIG_HAVE_64BIT_ALIGNED_ACCESS=y # CONFIG_HAVE_ARCH_BITREVERSE is not set CONFIG_HAVE_ARCH_JUMP_LABEL=y CONFIG_HAVE_ARCH_KGDB=y -CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS=y CONFIG_HAVE_ARCH_SECCOMP_FILTER=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y @@ -276,7 +271,6 @@ CONFIG_SWPHY=y CONFIG_SYSCTL_EXCEPTION_TRACE=y CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y -CONFIG_SYSVIPC_COMPAT=y CONFIG_SYS_HAS_CPU_CAVIUM_OCTEON=y CONFIG_SYS_HAS_EARLY_PRINTK=y CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y diff --git a/target/linux/octeon/config-4.19 b/target/linux/octeon/config-4.19 index 8bb1dcef18..521dd55de6 100644 --- a/target/linux/octeon/config-4.19 +++ b/target/linux/octeon/config-4.19 @@ -8,7 +8,6 @@ CONFIG_ARCH_HAS_PHYS_TO_DMA=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_MMAP_RND_COMPAT_BITS_MAX=15 CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SUPPORTS_UPROBES=y @@ -24,7 +23,6 @@ CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_SD=y CONFIG_BLK_MQ_PCI=y CONFIG_BLK_SCSI_REQUEST=y -CONFIG_BLOCK_COMPAT=y CONFIG_BUILTIN_DTB=y # CONFIG_CAVIUM_CN63XXP1 is not set CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE=2 @@ -37,9 +35,6 @@ CONFIG_CAVIUM_OCTEON_LOCK_L2_TLB=y CONFIG_CAVIUM_OCTEON_SOC=y CONFIG_CEVT_R4K=y CONFIG_CLONE_BACKWARDS=y -CONFIG_COMPAT=y -CONFIG_COMPAT_32BIT_TIME=y -CONFIG_COMPAT_NETLINK_MESSAGES=y CONFIG_CPU_BIG_ENDIAN=y CONFIG_CPU_CAVIUM_OCTEON=y CONFIG_CPU_GENERIC_DUMP_TLB=y @@ -114,7 +109,6 @@ CONFIG_HAVE_64BIT_ALIGNED_ACCESS=y CONFIG_HAVE_ARCH_COMPILER_H=y CONFIG_HAVE_ARCH_JUMP_LABEL=y CONFIG_HAVE_ARCH_KGDB=y -CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS=y CONFIG_HAVE_ARCH_SECCOMP_FILTER=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y @@ -245,7 +239,6 @@ CONFIG_SRCU=y CONFIG_SWIOTLB=y CONFIG_SWPHY=y CONFIG_SYSCTL_EXCEPTION_TRACE=y -CONFIG_SYSVIPC_COMPAT=y CONFIG_SYS_HAS_CPU_CAVIUM_OCTEON=y CONFIG_SYS_HAS_EARLY_PRINTK=y CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y -- cgit v1.2.3