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| author | Borislav Petkov <bp@suse.de> | 2015-03-13 14:04:37 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-03-13 14:21:58 +0100 |
| commit | d8eb8940417559808fdd0180a4d50f8f0281b822 (patch) | |
| tree | d3b221637244e6f274fc9570b487b24c64438e72 /arch/x86/Kconfig | |
| parent | 56544d29c3a0e383c0d819fefc9570b2803db193 (diff) | |
| download | lwn-d8eb8940417559808fdd0180a4d50f8f0281b822.tar.gz lwn-d8eb8940417559808fdd0180a4d50f8f0281b822.zip | |
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@suse.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vivek Goyal <vgoyal@redhat.com>
Link: http://lkml.kernel.org/r/1426251877-11415-1-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 78a3f674c3eb..867bc5bea8dc 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" |