linux-kernel - [PATCH] riscv: Respect dependencies of ARCH_HAS_ELF_CORE

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Message-Id: <20251009-riscv-elf-core-eflags-v1-1-e9b45ab6b36d@linutronix.de>
Date: Thu, 09 Oct 2025 11:18:48 +0200
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
To: Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>, 
 Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>, 
 Svetlana Parfenova <svetlana.parfenova@...tacore.com>, 
 Kees Cook <kees@...nel.org>
Cc: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Subject: [PATCH] riscv: Respect dependencies of ARCH_HAS_ELF_CORE_EFLAGS

This kconfig symbol has dependencies and is only selectable if those
dependencies are also enabled.

Respect the dependencies.

Fixes the following warning when configuring an 'allnoconfig':

WARNING: unmet direct dependencies detected for ARCH_HAS_ELF_CORE_EFLAGS
  Depends on [n]: BINFMT_ELF [=n] && ELF_CORE [=y]
  Selected by [y]:
  - RISCV [=y]

Fixes: 8c94db0ae97c ("binfmt_elf: preserve original ELF e_flags for core dumps")
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
---
 arch/riscv/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 0c6038dc5dfd529e1fe623f6bc2729a388b33fde..22cda9c452d2a99529e7d6a268a93926db51859e 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -29,7 +29,7 @@ config RISCV
 	select ARCH_HAS_DEBUG_VIRTUAL if MMU
 	select ARCH_HAS_DEBUG_VM_PGTABLE
 	select ARCH_HAS_DEBUG_WX
-	select ARCH_HAS_ELF_CORE_EFLAGS
+	select ARCH_HAS_ELF_CORE_EFLAGS if BINFMT_ELF && ELF_CORE
 	select ARCH_HAS_FAST_MULTIPLIER
 	select ARCH_HAS_FORTIFY_SOURCE
 	select ARCH_HAS_GCOV_PROFILE_ALL

---
base-commit: ec714e371f22f716a04e6ecb2a24988c92b26911
change-id: 20251009-riscv-elf-core-eflags-32e04d61d7ab

Best regards,
-- 
Thomas Weißschuh <thomas.weissschuh@...utronix.de>