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kernel: Deactivate CONFIG_COMPAT

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This deactivates the CONFIG_COMPAT kernel option.
With CONFIG_COMPAT the kernel will provide syscall interfaces for arm32
binaries in addition to the interfaces needed for arm64 binaries.

In OpenWrt the complete userspace is compiled for this specific
architecture and support for 32 bit ARM applications is not needed.
This reduces the size and the attack surface for the systems.

On all other targets CONFIG_COMPAT is already deactivated.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens 2023-04-22 19:48:54 +02:00
parent 0fc3a4aa10
commit 7815c55f7d
3 changed files with 0 additions and 11 deletions
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4
target/linux/mediatek/mt7622/config-5.15
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@ -87,11 +87,7 @@ CONFIG_COMMON_CLK_MT7622_HIFSYS=y
# CONFIG_COMMON_CLK_MT8183_VENCSYS is not set # CONFIG_COMMON_CLK_MT8183_VENCSYS is not set
# CONFIG_COMMON_CLK_MT8516 is not set # CONFIG_COMMON_CLK_MT8516 is not set
# CONFIG_COMMON_CLK_MT8516_AUDSYS is not set # CONFIG_COMMON_CLK_MT8516_AUDSYS is not set
CONFIG_COMPAT=y
CONFIG_COMPAT_32BIT_TIME=y CONFIG_COMPAT_32BIT_TIME=y
CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_COMPAT_NETLINK_MESSAGES=y
CONFIG_COMPAT_OLD_SIGACTION=y
CONFIG_CONFIGFS_FS=y CONFIG_CONFIGFS_FS=y
CONFIG_CONSOLE_LOGLEVEL_DEFAULT=15 CONFIG_CONSOLE_LOGLEVEL_DEFAULT=15
# CONFIG_CPUFREQ_DT is not set # CONFIG_CPUFREQ_DT is not set

4
target/linux/rockchip/armv8/config-5.10
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@ -117,11 +117,7 @@ CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_RK808=y CONFIG_COMMON_CLK_RK808=y
CONFIG_COMMON_CLK_ROCKCHIP=y CONFIG_COMMON_CLK_ROCKCHIP=y
CONFIG_COMMON_CLK_SCPI=y CONFIG_COMMON_CLK_SCPI=y
CONFIG_COMPAT=y
CONFIG_COMPAT_32BIT_TIME=y CONFIG_COMPAT_32BIT_TIME=y
CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_COMPAT_NETLINK_MESSAGES=y
CONFIG_COMPAT_OLD_SIGACTION=y
CONFIG_CONFIGFS_FS=y CONFIG_CONFIGFS_FS=y
CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_CONTIG_ALLOC=y CONFIG_CONTIG_ALLOC=y

3
target/linux/rockchip/armv8/config-5.15
View File

@ -115,10 +115,7 @@ CONFIG_COMMON_CLK=y
CONFIG_COMMON_CLK_RK808=y CONFIG_COMMON_CLK_RK808=y
CONFIG_COMMON_CLK_ROCKCHIP=y CONFIG_COMMON_CLK_ROCKCHIP=y
CONFIG_COMMON_CLK_SCPI=y CONFIG_COMMON_CLK_SCPI=y
CONFIG_COMPAT=y
CONFIG_COMPAT_32BIT_TIME=y CONFIG_COMPAT_32BIT_TIME=y
CONFIG_COMPAT_BINFMT_ELF=y
CONFIG_COMPAT_OLD_SIGACTION=y
CONFIG_CONFIGFS_FS=y CONFIG_CONFIGFS_FS=y
CONFIG_CONSOLE_TRANSLATIONS=y CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_CONTIG_ALLOC=y CONFIG_CONTIG_ALLOC=y