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* [PATCH] x86: tinyconfig: fix warning for 'make ARCH=x86_64 tinyconfig'
@ 2024-03-20 15:43 Masahiro Yamada
  2024-03-21  9:22 ` [tip: x86/urgent] x86/config: Fix " tip-bot2 for Masahiro Yamada
  0 siblings, 1 reply; 2+ messages in thread
From: Masahiro Yamada @ 2024-03-20 15:43 UTC (permalink / raw)
  To: x86, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
  Cc: linux-kbuild, linux-kernel, H . Peter Anvin, Josh Poimboeuf,
	Masahiro Yamada

Kconfig emits a warning for the following command:

  $ make ARCH=x86_64 tinyconfig
    [ snip ]
  .config:1380:warning: override: UNWINDER_GUESS changes choice state

When X86_64=y, the unwinder is exclusively selected from the following
three options:

 - UNWINDER_ORC
 - UNWINDER_FRAME_POINTER
 - UNWINDER_GUESS

However, arch/x86/configs/tiny.config only specifies the values of the
last two. UNWINDER_ORC must be explicitly disabled.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

 arch/x86/configs/tiny.config | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/configs/tiny.config b/arch/x86/configs/tiny.config
index 66c9e2aab16c..be3ee4294903 100644
--- a/arch/x86/configs/tiny.config
+++ b/arch/x86/configs/tiny.config
@@ -1,5 +1,6 @@
 CONFIG_NOHIGHMEM=y
 # CONFIG_HIGHMEM4G is not set
 # CONFIG_HIGHMEM64G is not set
+# CONFIG_UNWINDER_ORC is not set
 CONFIG_UNWINDER_GUESS=y
 # CONFIG_UNWINDER_FRAME_POINTER is not set
-- 
2.40.1


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2024-03-20 15:43 [PATCH] x86: tinyconfig: fix warning for 'make ARCH=x86_64 tinyconfig' Masahiro Yamada
2024-03-21  9:22 ` [tip: x86/urgent] x86/config: Fix " tip-bot2 for Masahiro Yamada

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