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x86/power/64: Use char arrays for asm function names

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This switches the hibernate_64.S function names into character arrays
to match other areas of the kernel where this is done (e.g., linker
scripts). Specifically this fixes a compile-time error noticed by the
future CONFIG_FORTIFY_SOURCE routines that complained about PAGE_SIZE
being copied out of the "single byte" core_restore_code variable.

Additionally drops the "acpi_save_state_mem" exern which does not
appear to be used anywhere else in the kernel.

Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Kees Cook
2017-05-09 14:00:51 -07:00
committed by Rafael J. Wysocki
parent 41f1830f5a
commit c0944883c9
2 changed files with 5 additions and 6 deletions
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5
arch/x86/include/asm/suspend_64.h
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@@ -42,8 +42,7 @@ struct saved_context {
set_debugreg((thread)->debugreg##register, register)
/* routines for saving/restoring kernel state */
extern int acpi_save_state_mem(void);
extern char core_restore_code;
extern char restore_registers;
extern char core_restore_code[];
extern char restore_registers[];
#endif /* _ASM_X86_SUSPEND_64_H */