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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-23 21:45:24 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-23 21:45:24 +0100 |
| commit | caa445d808d27880f92d866902f6717f4d4cd3ca (patch) | |
| tree | c46a564ecbce58310436f0f30b8f3c6d5d93c19b /arch/arm64/kernel/efi.c | |
| parent | 48d7ff0eaacbe5a51037bdb06a8a0a729b804b5f (diff) | |
| parent | bc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff) | |
Merge 4.0-rc5 into tty-next
We want the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm64/kernel/efi.c')
| -rw-r--r-- | arch/arm64/kernel/efi.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index b42c7b480e1e..ab21e0d58278 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -337,7 +337,11 @@ core_initcall(arm64_dmi_init); static void efi_set_pgd(struct mm_struct *mm) { - cpu_switch_mm(mm->pgd, mm); + if (mm == &init_mm) + cpu_set_reserved_ttbr0(); + else + cpu_switch_mm(mm->pgd, mm); + flush_tlb_all(); if (icache_is_aivivt()) __flush_icache_all(); @@ -354,3 +358,12 @@ void efi_virtmap_unload(void) efi_set_pgd(current->active_mm); preempt_enable(); } + +/* + * UpdateCapsule() depends on the system being shutdown via + * ResetSystem(). + */ +bool efi_poweroff_required(void) +{ + return efi_enabled(EFI_RUNTIME_SERVICES); +} |