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/armvirt/64/config-default | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'target/linux/armvirt') diff --git a/target/linux/armvirt/64/config-default b/target/linux/armvirt/64/config-default index 23d038cbb6..a70cd20f7e 100644 --- a/target/linux/armvirt/64/config-default +++ b/target/linux/armvirt/64/config-default @@ -8,7 +8,6 @@ CONFIG_ARCH_HAS_KCOV=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_PHYS_ADDR_T_64BIT=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y @@ -32,7 +31,6 @@ CONFIG_ARM64_ERRATUM_826319=y CONFIG_ARM64_ERRATUM_827319=y CONFIG_ARM64_ERRATUM_832075=y CONFIG_ARM64_ERRATUM_843419=y -CONFIG_ARM64_ERRATUM_845719=y CONFIG_ARM64_HW_AFDBM=y # CONFIG_ARM64_LSE_ATOMICS is not set CONFIG_ARM64_MODULE_CMODEL_LARGE=y @@ -48,7 +46,6 @@ 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_GIC_V3_ITS=y CONFIG_ARM_PMU=y # CONFIG_ARM_SBSA_WATCHDOG is not set @@ -56,7 +53,6 @@ CONFIG_ATOMIC64_SELFTEST=y CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y CONFIG_BACKLIGHT_CLASS_DEVICE=y CONFIG_BACKLIGHT_LCD_SUPPORT=y -CONFIG_BLOCK_COMPAT=y CONFIG_BOUNCE=y CONFIG_CLKSRC_MMIO=y CONFIG_CLKSRC_VERSATILE=y @@ -64,10 +60,6 @@ CONFIG_CLK_SP810=y CONFIG_CLK_VEXPRESS_OSC=y CONFIG_COMMON_CLK_VERSATILE=y # CONFIG_COMMON_CLK_XGENE is not set -CONFIG_COMPAT=y -CONFIG_COMPAT_BINFMT_ELF=y -CONFIG_COMPAT_NETLINK_MESSAGES=y -CONFIG_COMPAT_OLD_SIGACTION=y # CONFIG_CPU_BIG_ENDIAN is not set CONFIG_CPU_IDLE=y # CONFIG_CPU_IDLE_GOV_LADDER is not set @@ -114,7 +106,6 @@ CONFIG_HARDEN_BRANCH_PREDICTOR=y CONFIG_HAVE_ALIGNED_STRUCT_PAGE=y CONFIG_HAVE_ARCH_HUGE_VMAP=y CONFIG_HAVE_ARCH_KASAN=y -CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS=y CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y CONFIG_HAVE_CMPXCHG_DOUBLE=y CONFIG_HAVE_CMPXCHG_LOCAL=y @@ -176,7 +167,6 @@ CONFIG_SPARSEMEM_MANUAL=y CONFIG_SPARSEMEM_VMEMMAP=y CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y CONFIG_SYSCTL_EXCEPTION_TRACE=y -CONFIG_SYSVIPC_COMPAT=y CONFIG_SYS_SUPPORTS_HUGETLBFS=y # CONFIG_THUNDER_NIC_BGX is not set # CONFIG_THUNDER_NIC_PF is not set -- cgit v1.2.3