From: Borislav Petkov Date: Fri, 13 Mar 2015 13:04:37 +0000 (+0100) Subject: x86/kexec: Cleanup KEXEC_VERIFY_SIG Kconfig help text X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d8eb8940417559808fdd0180a4d50f8f0281b822;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Cc: Andrew Morton Cc: H. Peter Anvin Cc: Thomas Gleixner Cc: Vivek Goyal Link: http://lkml.kernel.org/r/1426251877-11415-1-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar --- 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"