linux-kernel - [tip: x86/urgent] x86/config: Fix warning for 'make ARCH=x86

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Date: Thu, 21 Mar 2024 09:22:02 -0000
From: "tip-bot2 for Masahiro Yamada" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Masahiro Yamada <masahiroy@...nel.org>, Ingo Molnar <mingo@...nel.org>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject:
 [tip: x86/urgent] x86/config: Fix warning for 'make ARCH=x86_64 tinyconfig'

The following commit has been merged into the x86/urgent branch of tip:

Commit-ID:     b0f269728ccd1d3cabcb6f3a5b610147d98a5dd6
Gitweb:        https://git.kernel.org/tip/b0f269728ccd1d3cabcb6f3a5b610147d98a5dd6
Author:        Masahiro Yamada <masahiroy@...nel.org>
AuthorDate:    Thu, 21 Mar 2024 00:43:12 +09:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Thu, 21 Mar 2024 10:09:41 +01:00

x86/config: Fix warning for 'make ARCH=x86_64 tinyconfig'

Kconfig emits a warning for the following command:

  $ make ARCH=x86_64 tinyconfig
  ...
  .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@...nel.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20240320154313.612342-1-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 66c9e2a..be3ee42 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