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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-27 17:14:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-27 17:14:32 -0700 |
| commit | 5cefb4ee245cb28a3920dbd0edc9d6df1f72a8cf (patch) | |
| tree | 30f02544d759f49b4d498370a7492a2f9920b1ce /drivers/firmware/efi/libstub/arm-stub.c | |
| parent | 15f859ae5c43c7f0a064ed92d33f7a5bc5de6de0 (diff) | |
| parent | 38fb6652229c2149e8694d57db442878fdf8a1bd (diff) | |
Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fixes from Ingo Molnar:
"Two fixes: an ARM fix for KASLR interaction with hibernation, plus an
efi_test crash fix"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/libstub/arm: Don't randomize runtime regions when CONFIG_HIBERNATION=y
efi/efi_test: Prevent an Oops in efi_runtime_query_capsulecaps()
Diffstat (limited to 'drivers/firmware/efi/libstub/arm-stub.c')
| -rw-r--r-- | drivers/firmware/efi/libstub/arm-stub.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c index 1cb2d1c070c3..a94601d5939e 100644 --- a/drivers/firmware/efi/libstub/arm-stub.c +++ b/drivers/firmware/efi/libstub/arm-stub.c @@ -238,7 +238,8 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table, efi_random_get_seed(sys_table); - if (!nokaslr()) { + /* hibernation expects the runtime regions to stay in the same place */ + if (!IS_ENABLED(CONFIG_HIBERNATION) && !nokaslr()) { /* * Randomize the base of the UEFI runtime services region. * Preserve the 2 MB alignment of the region by taking a |