linux-kernel - [PATCH] arch/Kconfig: Update HAVE_RELIABLE

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Message-Id: <20200120154042.9934-1-mbenes@suse.cz>
Date:   Mon, 20 Jan 2020 16:40:42 +0100
From:   Miroslav Benes <mbenes@...e.cz>
To:     akpm@...ux-foundation.org, jpoimboe@...hat.com, trivial@...nel.org
Cc:     linux-kernel@...r.kernel.org, Miroslav Benes <mbenes@...e.cz>
Subject: [PATCH] arch/Kconfig: Update HAVE_RELIABLE_STACKTRACE description

save_stack_trace_tsk_reliable() is not the only function providing the
reliable stack traces anymore. Architecture might define ARCH_STACKWALK
which provides a newer stack walking interface and has
arch_stack_walk_reliable() function. Update the description accordingly.

Signed-off-by: Miroslav Benes <mbenes@...e.cz>
---
 arch/Kconfig | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/Kconfig b/arch/Kconfig
index 48b5e103bdb0..f73dbbcc86fe 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -733,8 +733,9 @@ config HAVE_STACK_VALIDATION
 config HAVE_RELIABLE_STACKTRACE
 	bool
 	help
-	  Architecture has a save_stack_trace_tsk_reliable() function which
-	  only returns a stack trace if it can guarantee the trace is reliable.
+	  Architecture has either save_stack_trace_tsk_reliable() or
+	  arch_stack_walk_reliable() function which only returns a stack trace
+	  if it can guarantee the trace is reliable.
 
 config HAVE_ARCH_HASH
 	bool
-- 
2.24.1