linux-hardening - [PATCH 2/3] Documentation: adjust pstore backend related document

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Date: Wed,  7 Feb 2024 10:19:20 +0800
From: Yuanhe Shu <xiangzao@...ux.alibaba.com>
To: keescook@...omium.org,
	tony.luck@...el.com,
	gpiccoli@...lia.com,
	shuah@...nel.org,
	corbet@....net
Cc: xlpang@...ux.alibaba.com,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	Yuanhe Shu <xiangzao@...ux.alibaba.com>
Subject: [PATCH 2/3] Documentation: adjust pstore backend related document

Pstore now supports multiple backends, adjust related document.

Signed-off-by: Yuanhe Shu <xiangzao@...ux.alibaba.com>
---
 Documentation/ABI/testing/pstore                | 8 ++++----
 Documentation/admin-guide/kernel-parameters.txt | 4 +++-
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/Documentation/ABI/testing/pstore b/Documentation/ABI/testing/pstore
index d3cff4a7ee10..2cd67b502f11 100644
--- a/Documentation/ABI/testing/pstore
+++ b/Documentation/ABI/testing/pstore
@@ -41,7 +41,7 @@ Description:	Generic interface to platform dependent persistent storage.
 		persistent storage until at least this amount is reached.
 		Default is 10 Kbytes.
 
-		Pstore only supports one backend at a time. If multiple
-		backends are available, the preferred backend may be
-		set by passing the pstore.backend= argument to the kernel at
-		boot time.
+		Pstore now supports multiple backends at a time. If multiple
+		backends are available, the registrable backends may be
+		set by passing the pstore.backend= argument1, argument2...
+		or pstore.backend= all to the kernel at boot time.
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 31b3a25680d0..a8a109b822a9 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4748,7 +4748,9 @@
 			[HW,MOUSE] Controls Logitech smartscroll autorepeat.
 			0 = disabled, 1 = enabled (default).
 
-	pstore.backend=	Specify the name of the pstore backend to use
+	pstore.backend=backend1,...,backendN
+			Specify the names of the pstore backends to use
+			or =all for all available backends
 
 	pti=		[X86-64] Control Page Table Isolation of user and
 			kernel address spaces.  Disabling this feature
-- 
2.39.3