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Diffstat (limited to 'arch/x86/kernel/trampoline.c')
-rw-r--r--arch/x86/kernel/trampoline.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/arch/x86/kernel/trampoline.c b/arch/x86/kernel/trampoline.c
deleted file mode 100644
index c652ef62742..00000000000
--- a/arch/x86/kernel/trampoline.c
+++ /dev/null
@@ -1,39 +0,0 @@
-#include <linux/io.h>
-
-#include <asm/trampoline.h>
-#include <asm/e820.h>
-
-#if defined(CONFIG_X86_64) && defined(CONFIG_ACPI_SLEEP)
-#define __trampinit
-#define __trampinitdata
-#else
-#define __trampinit __cpuinit
-#define __trampinitdata __cpuinitdata
-#endif
-
-/* ready for x86_64 and x86 */
-unsigned char *__trampinitdata trampoline_base;
-
-void __init reserve_trampoline_memory(void)
-{
- unsigned long mem;
-
- /* Has to be in very low memory so we can execute real-mode AP code. */
- mem = find_e820_area(0, 1<<20, TRAMPOLINE_SIZE, PAGE_SIZE);
- if (mem == -1L)
- panic("Cannot allocate trampoline\n");
-
- trampoline_base = __va(mem);
- reserve_early(mem, mem + TRAMPOLINE_SIZE, "TRAMPOLINE");
-}
-
-/*
- * Currently trivial. Write the real->protected mode
- * bootstrap into the page concerned. The caller
- * has made sure it's suitably aligned.
- */
-unsigned long __trampinit setup_trampoline(void)
-{
- memcpy(trampoline_base, trampoline_data, TRAMPOLINE_SIZE);
- return virt_to_phys(trampoline_base);
-}