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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-11 18:08:49 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-11 18:08:49 -0300 |
commit | d4e493caf788ef44982e131ff9c786546904d934 (patch) | |
tree | 04c72e6d295ff6b222c2991ff4b87d16d651443b /arch/x86/kernel/acpi/sleep.c | |
parent | eccbe858ce6412b96fc7cb32eb23a3592f64e5f6 (diff) |
Linux-libre 4.4.5-gnupck-4.4.5-gnu
Diffstat (limited to 'arch/x86/kernel/acpi/sleep.c')
-rw-r--r-- | arch/x86/kernel/acpi/sleep.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index d1daead5f..adb3eaf8f 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -16,6 +16,7 @@ #include <asm/cacheflush.h> #include <asm/realmode.h> +#include <linux/ftrace.h> #include "../../realmode/rm/wakeup.h" #include "sleep.h" @@ -107,7 +108,13 @@ int x86_acpi_suspend_lowlevel(void) saved_magic = 0x123456789abcdef0L; #endif /* CONFIG_64BIT */ + /* + * Pause/unpause graph tracing around do_suspend_lowlevel as it has + * inconsistent call/return info after it jumps to the wakeup vector. + */ + pause_graph_tracing(); do_suspend_lowlevel(); + unpause_graph_tracing(); return 0; } |