linux-kernel - [PATCH] configs/debug: set CONFIG_DEBUG

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Date:   Tue, 1 Mar 2022 15:29:20 -0500
From:   Qian Cai <quic_qiancai@...cinc.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     <linux-kernel@...r.kernel.org>, Qian Cai <quic_qiancai@...cinc.com>
Subject: [PATCH] configs/debug: set CONFIG_DEBUG_INFO=y properly

CONFIG_DEBUG_INFO can't be set by user directly, so set
CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y instead. Otherwise, we end
up with no debuginfo in vmlinux which is a big no-no for kernel
debugging.

Signed-off-by: Qian Cai <quic_qiancai@...cinc.com>
---
 kernel/configs/debug.config | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/configs/debug.config b/kernel/configs/debug.config
index e9ffb0cc1eec..07df6d93c4df 100644
--- a/kernel/configs/debug.config
+++ b/kernel/configs/debug.config
@@ -16,7 +16,7 @@ CONFIG_SYMBOLIC_ERRNAME=y
 #
 # Compile-time checks and compiler options
 #
-CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y
 CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_FRAME_WARN=2048
 CONFIG_SECTION_MISMATCH_WARN_ONLY=y
-- 
2.30.2