[tip:x86/build] x86/kexec: Cleanup KEXEC_VERIFY_SIG Kconfig help text

From: tip-bot for Borislav Petkov
Date: Mon Mar 16 2015 - 08:08:12 EST


Commit-ID: d8eb8940417559808fdd0180a4d50f8f0281b822
Gitweb: http://git.kernel.org/tip/d8eb8940417559808fdd0180a4d50f8f0281b822
Author: Borislav Petkov <bp@xxxxxxx>
AuthorDate: Fri, 13 Mar 2015 14:04:37 +0100
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Fri, 13 Mar 2015 14:21:58 +0100

x86/kexec: Cleanup KEXEC_VERIFY_SIG Kconfig help text

Fix typos and also make it simpler without losing the gist of what it says.

Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Vivek Goyal <vgoyal@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/1426251877-11415-1-git-send-email-bp@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/Kconfig | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 78a3f67..867bc5b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1742,14 +1742,11 @@ config KEXEC_VERIFY_SIG
depends on KEXEC_FILE
---help---
This option makes kernel signature verification mandatory for
- kexec_file_load() syscall. If kernel is signature can not be
- verified, kexec_file_load() will fail.
-
- This option enforces signature verification at generic level.
- One needs to enable signature verification for type of kernel
- image being loaded to make sure it works. For example, enable
- bzImage signature verification option to be able to load and
- verify signatures of bzImage. Otherwise kernel loading will fail.
+ the kexec_file_load() syscall.
+
+ In addition to that option, you need to enable signature
+ verification for the corresponding kernel image type being
+ loaded in order for this to work.

config KEXEC_BZIMAGE_VERIFY_SIG
bool "Enable bzImage signature verification support"
--
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