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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-06-19 14:41:11 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-06-19 14:41:11 +0200 |
| commit | 639bb92a1ff1aab2c455acd183f973c022275798 (patch) | |
| tree | 51355fc8ce70f9cbb39f521d2aaa6f31da2944e0 /arch | |
| parent | cf8116c491e98b47a535348a50c94cc01770d9a3 (diff) | |
| parent | 24f2e0273f80ec262a772059e140a0adef35296d (diff) | |
| download | linux-639bb92a1ff1aab2c455acd183f973c022275798.tar.bz2 | |
Merge branch 'pm-sleep'
* pm-sleep:
x86, kaslr: boot-time selectable with hibernation
PM / hibernate: introduce "nohibernate" boot parameter
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/boot/compressed/aslr.c | 9 |
2 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index fcefdda5136d..a8f749ef0fdc 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1672,7 +1672,6 @@ config RELOCATABLE config RANDOMIZE_BASE bool "Randomize the address of the kernel image" depends on RELOCATABLE - depends on !HIBERNATION default n ---help--- Randomizes the physical and virtual address at which the diff --git a/arch/x86/boot/compressed/aslr.c b/arch/x86/boot/compressed/aslr.c index 4dbf967da50d..fc6091abedb7 100644 --- a/arch/x86/boot/compressed/aslr.c +++ b/arch/x86/boot/compressed/aslr.c @@ -289,10 +289,17 @@ unsigned char *choose_kernel_location(unsigned char *input, unsigned long choice = (unsigned long)output; unsigned long random; +#ifdef CONFIG_HIBERNATION + if (!cmdline_find_option_bool("kaslr")) { + debug_putstr("KASLR disabled by default...\n"); + goto out; + } +#else if (cmdline_find_option_bool("nokaslr")) { - debug_putstr("KASLR disabled...\n"); + debug_putstr("KASLR disabled by cmdline...\n"); goto out; } +#endif /* Record the various known unsafe memory ranges. */ mem_avoid_init((unsigned long)input, input_size, |