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Message-ID: <20250407231057.328010-1-skhan@linuxfoundation.org> Date: Mon, 7 Apr 2025 17:10:55 -0600 From: Shuah Khan <skhan@...uxfoundation.org> To: tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com Cc: Shuah Khan <skhan@...uxfoundation.org>, x86@...nel.org, linux-kernel@...r.kernel.org, hpa@...or.com Subject: [PATCH] x86/Kconfig: Fix dependency for X86_DEBUG_FPU Compile fails when X86_DEBUG_FPU is enabled and X86_REQUIRED_FEATURE_FPU is disabled. Add explicit dependency on X86_REQUIRED_FEATURE_FPU to fix it. ../arch/x86/kernel/fpu/regset.c:411:(.text+0x4cf2f): undefined reference to `fpregs_soft_get' ld: vmlinux.o: in function `fpregs_set': ../arch/x86/kernel/fpu/regset.c:445:(.text+0x4d0da): undefined reference to `fpregs_soft_set' ld: vmlinux.o: in function `copy_fpstate_to_sigframe': ../arch/x86/kernel/fpu/signal.c:197:(.text+0x4da98): undefined reference to `fpregs_soft_get' Signed-off-by: Shuah Khan <skhan@...uxfoundation.org> --- 6.14 compile worked without X86_REQUIRED_FEATURE_FPU enabled. Might be a new dependency. Enabling X86_REQUIRED_FEATURE_FPU fixed it for me on my test system. arch/x86/Kconfig.debug | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index c95c3aaadf97..6738de325fe6 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -199,6 +199,7 @@ config DEBUG_IMR_SELFTEST config X86_DEBUG_FPU bool "Debug the x86 FPU code" + depends on X86_REQUIRED_FEATURE_FPU depends on DEBUG_KERNEL default y help -- 2.47.2
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