[PATCH] ARM: Implement ARCH_HAS_CC_CAN_LINK
From: Thomas Weißschuh <hidden>
Date: 2026-01-09 10:03:59
Also in:
lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
The generic CC_CAN_LINK detection does not handle different byte orders. This may lead to userprogs which are not actually runnable on the target kernel. Use architecture-specific logic supporting byte orders instead. Signed-off-by: Thomas Weißschuh <redacted> --- arch/arm/Kconfig | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index fa83c040ee2d..5ca48361e1a0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig@@ -6,6 +6,7 @@ config ARM select ARCH_CORRECT_STACKTRACE_ON_KRETPROBE if HAVE_KRETPROBES && FRAME_POINTER && !ARM_UNWIND select ARCH_HAS_BINFMT_FLAT select ARCH_HAS_CACHE_LINE_SIZE if OF + select ARCH_HAS_CC_CAN_LINK select ARCH_HAS_CPU_CACHE_ALIASING select ARCH_HAS_CPU_FINALIZE_INIT if MMU select ARCH_HAS_CURRENT_STACK_POINTER
@@ -1715,6 +1716,16 @@ config KERNEL_MODE_NEON endmenu +config ARCH_CC_CAN_LINK + bool + default $(cc_can_link_user,-mlittle-endian) if CPU_LITTLE_ENDIAN + default $(cc_can_link_user,-mbig-endian) if CPU_BIG_ENDIAN + +config ARCH_USERFLAGS + string + default "-mlittle-endian" if CPU_LITTLE_ENDIAN + default "-mbig-endian" if CPU_BIG_ENDIAN + menu "Power management options" source "kernel/power/Kconfig"
--- base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8 change-id: 20260102-cc-can-link-arm-4eecfad2a0e4 Best regards, -- Thomas Weißschuh [off-list ref]