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| author | Ingo Molnar <mingo@kernel.org> | 2016-07-15 10:38:54 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-15 10:38:54 +0200 |
| commit | 07ccdcd34ac39ddecb8ccd00e5f03d76e9be8881 (patch) | |
| tree | ffd8a0ffd6d803e5fa78c115a83b7dcd3c246d7c /arch/arm64/kernel/hibernate.c | |
| parent | 3c8fad9183ab7b3b3471fd2bb3d604104dd447cb (diff) | |
| parent | fa3a9f5744a92c0d7856d4e326c8d920d1d31116 (diff) | |
Merge branch 'linus' into x86/apic, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm64/kernel/hibernate.c')
| -rw-r--r-- | arch/arm64/kernel/hibernate.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kernel/hibernate.c b/arch/arm64/kernel/hibernate.c index f8df75d740f4..21ab5df9fa76 100644 --- a/arch/arm64/kernel/hibernate.c +++ b/arch/arm64/kernel/hibernate.c @@ -33,6 +33,7 @@ #include <asm/pgtable.h> #include <asm/pgtable-hwdef.h> #include <asm/sections.h> +#include <asm/smp.h> #include <asm/suspend.h> #include <asm/virt.h> @@ -236,6 +237,11 @@ int swsusp_arch_suspend(void) unsigned long flags; struct sleep_stack_data state; + if (cpus_are_stuck_in_kernel()) { + pr_err("Can't hibernate: no mechanism to offline secondary CPUs.\n"); + return -EBUSY; + } + local_dbg_save(flags); if (__cpu_suspend_enter(&state)) { |