[PATCH 3/4] x86 PM: Consolidate suspend and hibernation code

[Rafael J. Wysocki]

From: Rafael J. Wysocki <rjw@xxxxxxx>

Move the hibernation-specific code from arch/x86/power/suspend_64.c
to a separate file (hibernate_64.c) and the CPU-handling code to
cpu_64.c (in line with the corresponding 32-bit code).

Simplify arch/x86/power/Makefile .

Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
---
 arch/x86/power/Makefile       |    9 -
 arch/x86/power/cpu_64.c       |  166 +++++++++++++++++++++
 arch/x86/power/hibernate_64.c |  169 ++++++++++++++++++++++
 arch/x86/power/suspend_64.c   |  321 ------------------------------------------
 4 files changed, 337 insertions(+), 328 deletions(-)

Index: linux-2.6/arch/x86/power/cpu_64.c
===================================================================
--- /dev/null
+++ linux-2.6/arch/x86/power/cpu_64.c
@@ -0,0 +1,166 @@
+/*
+ * Suspend and hibernation support for x86-64
+ *
+ * Distribute under GPLv2
+ *
+ * Copyright (c) 2007 Rafael J. Wysocki <rjw@xxxxxxx>
+ * Copyright (c) 2002 Pavel Machek <pavel@xxxxxxx>
+ * Copyright (c) 2001 Patrick Mochel <mochel@xxxxxxxx>
+ */
+
+#include <linux/smp.h>
+#include <linux/suspend.h>
+#include <asm/proto.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/mtrr.h>
+
+static void fix_processor_context(void);
+
+struct saved_context saved_context;
+
+/**
+ *	__save_processor_state - save CPU registers before creating a
+ *		hibernation image and before restoring the memory state from it
+ *	@ctxt - structure to store the registers contents in
+ *
+ *	NOTE: If there is a CPU register the modification of which by the
+ *	boot kernel (ie. the kernel used for loading the hibernation image)
+ *	might affect the operations of the restored target kernel (ie. the one
+ *	saved in the hibernation image), then its contents must be saved by this
+ *	function.  In other words, if kernel A is hibernated and different
+ *	kernel B is used for loading the hibernation image into memory, the
+ *	kernel A's __save_processor_state() function must save all registers
+ *	needed by kernel A, so that it can operate correctly after the resume
+ *	regardless of what kernel B does in the meantime.
+ */
+static void __save_processor_state(struct saved_context *ctxt)
+{
+	kernel_fpu_begin();
+
+	/*
+	 * descriptor tables
+	 */
+	store_gdt((struct desc_ptr *)&ctxt->gdt_limit);
+	store_idt((struct desc_ptr *)&ctxt->idt_limit);
+	store_tr(ctxt->tr);
+
+	/* XMM0..XMM15 should be handled by kernel_fpu_begin(). */
+	/*
+	 * segment registers
+	 */
+	asm volatile ("movw %%ds, %0" : "=m" (ctxt->ds));
+	asm volatile ("movw %%es, %0" : "=m" (ctxt->es));
+	asm volatile ("movw %%fs, %0" : "=m" (ctxt->fs));
+	asm volatile ("movw %%gs, %0" : "=m" (ctxt->gs));
+	asm volatile ("movw %%ss, %0" : "=m" (ctxt->ss));
+
+	rdmsrl(MSR_FS_BASE, ctxt->fs_base);
+	rdmsrl(MSR_GS_BASE, ctxt->gs_base);
+	rdmsrl(MSR_KERNEL_GS_BASE, ctxt->gs_kernel_base);
+	mtrr_save_fixed_ranges(NULL);
+
+	/*
+	 * control registers
+	 */
+	rdmsrl(MSR_EFER, ctxt->efer);
+	ctxt->cr0 = read_cr0();
+	ctxt->cr2 = read_cr2();
+	ctxt->cr3 = read_cr3();
+	ctxt->cr4 = read_cr4();
+	ctxt->cr8 = read_cr8();
+}
+
+void save_processor_state(void)
+{
+	__save_processor_state(&saved_context);
+}
+
+static void do_fpu_end(void)
+{
+	/*
+	 * Restore FPU regs if necessary
+	 */
+	kernel_fpu_end();
+}
+
+/**
+ *	__restore_processor_state - restore the contents of CPU registers saved
+ *		by __save_processor_state()
+ *	@ctxt - structure to load the registers contents from
+ */
+static void __restore_processor_state(struct saved_context *ctxt)
+{
+	/*
+	 * control registers
+	 */
+	wrmsrl(MSR_EFER, ctxt->efer);
+	write_cr8(ctxt->cr8);
+	write_cr4(ctxt->cr4);
+	write_cr3(ctxt->cr3);
+	write_cr2(ctxt->cr2);
+	write_cr0(ctxt->cr0);
+
+	/*
+	 * now restore the descriptor tables to their proper values
+	 * ltr is done i fix_processor_context().
+	 */
+	load_gdt((const struct desc_ptr *)&ctxt->gdt_limit);
+	load_idt((const struct desc_ptr *)&ctxt->idt_limit);
+
+
+	/*
+	 * segment registers
+	 */
+	asm volatile ("movw %0, %%ds" :: "r" (ctxt->ds));
+	asm volatile ("movw %0, %%es" :: "r" (ctxt->es));
+	asm volatile ("movw %0, %%fs" :: "r" (ctxt->fs));
+	load_gs_index(ctxt->gs);
+	asm volatile ("movw %0, %%ss" :: "r" (ctxt->ss));
+
+	wrmsrl(MSR_FS_BASE, ctxt->fs_base);
+	wrmsrl(MSR_GS_BASE, ctxt->gs_base);
+	wrmsrl(MSR_KERNEL_GS_BASE, ctxt->gs_kernel_base);
+
+	fix_processor_context();
+
+	do_fpu_end();
+	mtrr_ap_init();
+}
+
+void restore_processor_state(void)
+{
+	__restore_processor_state(&saved_context);
+}
+
+static void fix_processor_context(void)
+{
+	int cpu = smp_processor_id();
+	struct tss_struct *t = &per_cpu(init_tss, cpu);
+
+	/*
+	 * This just modifies memory; should not be necessary. But... This
+	 * is necessary, because 386 hardware has concept of busy TSS or some
+	 * similar stupidity.
+	 */
+	set_tss_desc(cpu, t);
+
+	get_cpu_gdt_table(cpu)[GDT_ENTRY_TSS].type = 9;
+
+	syscall_init();                         /* This sets MSR_*STAR and related */
+	load_TR_desc();				/* This does ltr */
+	load_LDT(&current->active_mm->context);	/* This does lldt */
+
+	/*
+	 * Now maybe reload the debug registers
+	 */
+	if (current->thread.debugreg7){
+                loaddebug(&current->thread, 0);
+                loaddebug(&current->thread, 1);
+                loaddebug(&current->thread, 2);
+                loaddebug(&current->thread, 3);
+                /* no 4 and 5 */
+                loaddebug(&current->thread, 6);
+                loaddebug(&current->thread, 7);
+	}
+}
Index: linux-2.6/arch/x86/power/hibernate_64.c
===================================================================
--- /dev/null
+++ linux-2.6/arch/x86/power/hibernate_64.c
@@ -0,0 +1,169 @@
+/*
+ * Hibernation support for x86-64
+ *
+ * Distribute under GPLv2
+ *
+ * Copyright (c) 2007 Rafael J. Wysocki <rjw@xxxxxxx>
+ * Copyright (c) 2002 Pavel Machek <pavel@xxxxxxx>
+ * Copyright (c) 2001 Patrick Mochel <mochel@xxxxxxxx>
+ */
+
+#include <linux/smp.h>
+#include <linux/suspend.h>
+#include <asm/proto.h>
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/mtrr.h>
+
+/* References to section boundaries */
+extern const void __nosave_begin, __nosave_end;
+
+/* Defined in arch/x86_64/kernel/suspend_asm.S */
+extern int restore_image(void);
+
+/*
+ * Address to jump to in the last phase of restore in order to get to the image
+ * kernel's text (this value is passed in the image header).
+ */
+unsigned long restore_jump_address;
+
+/*
+ * Value of the cr3 register from before the hibernation (this value is passed
+ * in the image header).
+ */
+unsigned long restore_cr3;
+
+pgd_t *temp_level4_pgt;
+
+void *relocated_restore_code;
+
+static int res_phys_pud_init(pud_t *pud, unsigned long address, unsigned long end)
+{
+	long i, j;
+
+	i = pud_index(address);
+	pud = pud + i;
+	for (; i < PTRS_PER_PUD; pud++, i++) {
+		unsigned long paddr;
+		pmd_t *pmd;
+
+		paddr = address + i*PUD_SIZE;
+		if (paddr >= end)
+			break;
+
+		pmd = (pmd_t *)get_safe_page(GFP_ATOMIC);
+		if (!pmd)
+			return -ENOMEM;
+		set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE));
+		for (j = 0; j < PTRS_PER_PMD; pmd++, j++, paddr += PMD_SIZE) {
+			unsigned long pe;
+
+			if (paddr >= end)
+				break;
+			pe = __PAGE_KERNEL_LARGE_EXEC | paddr;
+			pe &= __supported_pte_mask;
+			set_pmd(pmd, __pmd(pe));
+		}
+	}
+	return 0;
+}
+
+static int set_up_temporary_mappings(void)
+{
+	unsigned long start, end, next;
+	int error;
+
+	temp_level4_pgt = (pgd_t *)get_safe_page(GFP_ATOMIC);
+	if (!temp_level4_pgt)
+		return -ENOMEM;
+
+	/* It is safe to reuse the original kernel mapping */
+	set_pgd(temp_level4_pgt + pgd_index(__START_KERNEL_map),
+		init_level4_pgt[pgd_index(__START_KERNEL_map)]);
+
+	/* Set up the direct mapping from scratch */
+	start = (unsigned long)pfn_to_kaddr(0);
+	end = (unsigned long)pfn_to_kaddr(end_pfn);
+
+	for (; start < end; start = next) {
+		pud_t *pud = (pud_t *)get_safe_page(GFP_ATOMIC);
+		if (!pud)
+			return -ENOMEM;
+		next = start + PGDIR_SIZE;
+		if (next > end)
+			next = end;
+		if ((error = res_phys_pud_init(pud, __pa(start), __pa(next))))
+			return error;
+		set_pgd(temp_level4_pgt + pgd_index(start),
+			mk_kernel_pgd(__pa(pud)));
+	}
+	return 0;
+}
+
+int swsusp_arch_resume(void)
+{
+	int error;
+
+	/* We have got enough memory and from now on we cannot recover */
+	if ((error = set_up_temporary_mappings()))
+		return error;
+
+	relocated_restore_code = (void *)get_safe_page(GFP_ATOMIC);
+	if (!relocated_restore_code)
+		return -ENOMEM;
+	memcpy(relocated_restore_code, &core_restore_code,
+	       &restore_registers - &core_restore_code);
+
+	restore_image();
+	return 0;
+}
+
+/*
+ *	pfn_is_nosave - check if given pfn is in the 'nosave' section
+ */
+
+int pfn_is_nosave(unsigned long pfn)
+{
+	unsigned long nosave_begin_pfn = __pa_symbol(&__nosave_begin) >> PAGE_SHIFT;
+	unsigned long nosave_end_pfn = PAGE_ALIGN(__pa_symbol(&__nosave_end)) >> PAGE_SHIFT;
+	return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
+}
+
+struct restore_data_record {
+	unsigned long jump_address;
+	unsigned long cr3;
+	unsigned long magic;
+};
+
+#define RESTORE_MAGIC	0x0123456789ABCDEFUL
+
+/**
+ *	arch_hibernation_header_save - populate the architecture specific part
+ *		of a hibernation image header
+ *	@addr: address to save the data at
+ */
+int arch_hibernation_header_save(void *addr, unsigned int max_size)
+{
+	struct restore_data_record *rdr = addr;
+
+	if (max_size < sizeof(struct restore_data_record))
+		return -EOVERFLOW;
+	rdr->jump_address = restore_jump_address;
+	rdr->cr3 = restore_cr3;
+	rdr->magic = RESTORE_MAGIC;
+	return 0;
+}
+
+/**
+ *	arch_hibernation_header_restore - read the architecture specific data
+ *		from the hibernation image header
+ *	@addr: address to read the data from
+ */
+int arch_hibernation_header_restore(void *addr)
+{
+	struct restore_data_record *rdr = addr;
+
+	restore_jump_address = rdr->jump_address;
+	restore_cr3 = rdr->cr3;
+	return (rdr->magic == RESTORE_MAGIC) ? 0 : -EINVAL;
+}
Index: linux-2.6/arch/x86/power/suspend_64.c
===================================================================
--- linux-2.6.orig/arch/x86/power/suspend_64.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/*
- * Suspend and hibernation support for x86-64
- *
- * Distribute under GPLv2
- *
- * Copyright (c) 2007 Rafael J. Wysocki <rjw@xxxxxxx>
- * Copyright (c) 2002 Pavel Machek <pavel@xxxxxxx>
- * Copyright (c) 2001 Patrick Mochel <mochel@xxxxxxxx>
- */
-
-#include <linux/smp.h>
-#include <linux/suspend.h>
-#include <asm/proto.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/mtrr.h>
-
-/* References to section boundaries */
-extern const void __nosave_begin, __nosave_end;
-
-static void fix_processor_context(void);
-
-struct saved_context saved_context;
-
-/**
- *	__save_processor_state - save CPU registers before creating a
- *		hibernation image and before restoring the memory state from it
- *	@ctxt - structure to store the registers contents in
- *
- *	NOTE: If there is a CPU register the modification of which by the
- *	boot kernel (ie. the kernel used for loading the hibernation image)
- *	might affect the operations of the restored target kernel (ie. the one
- *	saved in the hibernation image), then its contents must be saved by this
- *	function.  In other words, if kernel A is hibernated and different
- *	kernel B is used for loading the hibernation image into memory, the
- *	kernel A's __save_processor_state() function must save all registers
- *	needed by kernel A, so that it can operate correctly after the resume
- *	regardless of what kernel B does in the meantime.
- */
-static void __save_processor_state(struct saved_context *ctxt)
-{
-	kernel_fpu_begin();
-
-	/*
-	 * descriptor tables
-	 */
-	store_gdt((struct desc_ptr *)&ctxt->gdt_limit);
-	store_idt((struct desc_ptr *)&ctxt->idt_limit);
-	store_tr(ctxt->tr);
-
-	/* XMM0..XMM15 should be handled by kernel_fpu_begin(). */
-	/*
-	 * segment registers
-	 */
-	asm volatile ("movw %%ds, %0" : "=m" (ctxt->ds));
-	asm volatile ("movw %%es, %0" : "=m" (ctxt->es));
-	asm volatile ("movw %%fs, %0" : "=m" (ctxt->fs));
-	asm volatile ("movw %%gs, %0" : "=m" (ctxt->gs));
-	asm volatile ("movw %%ss, %0" : "=m" (ctxt->ss));
-
-	rdmsrl(MSR_FS_BASE, ctxt->fs_base);
-	rdmsrl(MSR_GS_BASE, ctxt->gs_base);
-	rdmsrl(MSR_KERNEL_GS_BASE, ctxt->gs_kernel_base);
-	mtrr_save_fixed_ranges(NULL);
-
-	/*
-	 * control registers
-	 */
-	rdmsrl(MSR_EFER, ctxt->efer);
-	ctxt->cr0 = read_cr0();
-	ctxt->cr2 = read_cr2();
-	ctxt->cr3 = read_cr3();
-	ctxt->cr4 = read_cr4();
-	ctxt->cr8 = read_cr8();
-}
-
-void save_processor_state(void)
-{
-	__save_processor_state(&saved_context);
-}
-
-static void do_fpu_end(void)
-{
-	/*
-	 * Restore FPU regs if necessary
-	 */
-	kernel_fpu_end();
-}
-
-/**
- *	__restore_processor_state - restore the contents of CPU registers saved
- *		by __save_processor_state()
- *	@ctxt - structure to load the registers contents from
- */
-static void __restore_processor_state(struct saved_context *ctxt)
-{
-	/*
-	 * control registers
-	 */
-	wrmsrl(MSR_EFER, ctxt->efer);
-	write_cr8(ctxt->cr8);
-	write_cr4(ctxt->cr4);
-	write_cr3(ctxt->cr3);
-	write_cr2(ctxt->cr2);
-	write_cr0(ctxt->cr0);
-
-	/*
-	 * now restore the descriptor tables to their proper values
-	 * ltr is done i fix_processor_context().
-	 */
-	load_gdt((const struct desc_ptr *)&ctxt->gdt_limit);
-	load_idt((const struct desc_ptr *)&ctxt->idt_limit);
-
-
-	/*
-	 * segment registers
-	 */
-	asm volatile ("movw %0, %%ds" :: "r" (ctxt->ds));
-	asm volatile ("movw %0, %%es" :: "r" (ctxt->es));
-	asm volatile ("movw %0, %%fs" :: "r" (ctxt->fs));
-	load_gs_index(ctxt->gs);
-	asm volatile ("movw %0, %%ss" :: "r" (ctxt->ss));
-
-	wrmsrl(MSR_FS_BASE, ctxt->fs_base);
-	wrmsrl(MSR_GS_BASE, ctxt->gs_base);
-	wrmsrl(MSR_KERNEL_GS_BASE, ctxt->gs_kernel_base);
-
-	fix_processor_context();
-
-	do_fpu_end();
-	mtrr_ap_init();
-}
-
-void restore_processor_state(void)
-{
-	__restore_processor_state(&saved_context);
-}
-
-static void fix_processor_context(void)
-{
-	int cpu = smp_processor_id();
-	struct tss_struct *t = &per_cpu(init_tss, cpu);
-
-	/*
-	 * This just modifies memory; should not be necessary. But... This
-	 * is necessary, because 386 hardware has concept of busy TSS or some
-	 * similar stupidity.
-	 */
-	set_tss_desc(cpu, t);
-
-	get_cpu_gdt_table(cpu)[GDT_ENTRY_TSS].type = 9;
-
-	syscall_init();                         /* This sets MSR_*STAR and related */
-	load_TR_desc();				/* This does ltr */
-	load_LDT(&current->active_mm->context);	/* This does lldt */
-
-	/*
-	 * Now maybe reload the debug registers
-	 */
-	if (current->thread.debugreg7){
-                loaddebug(&current->thread, 0);
-                loaddebug(&current->thread, 1);
-                loaddebug(&current->thread, 2);
-                loaddebug(&current->thread, 3);
-                /* no 4 and 5 */
-                loaddebug(&current->thread, 6);
-                loaddebug(&current->thread, 7);
-	}
-}
-
-#ifdef CONFIG_HIBERNATION
-/* Defined in arch/x86_64/kernel/suspend_asm.S */
-extern int restore_image(void);
-
-/*
- * Address to jump to in the last phase of restore in order to get to the image
- * kernel's text (this value is passed in the image header).
- */
-unsigned long restore_jump_address;
-
-/*
- * Value of the cr3 register from before the hibernation (this value is passed
- * in the image header).
- */
-unsigned long restore_cr3;
-
-pgd_t *temp_level4_pgt;
-
-void *relocated_restore_code;
-
-static int res_phys_pud_init(pud_t *pud, unsigned long address, unsigned long end)
-{
-	long i, j;
-
-	i = pud_index(address);
-	pud = pud + i;
-	for (; i < PTRS_PER_PUD; pud++, i++) {
-		unsigned long paddr;
-		pmd_t *pmd;
-
-		paddr = address + i*PUD_SIZE;
-		if (paddr >= end)
-			break;
-
-		pmd = (pmd_t *)get_safe_page(GFP_ATOMIC);
-		if (!pmd)
-			return -ENOMEM;
-		set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE));
-		for (j = 0; j < PTRS_PER_PMD; pmd++, j++, paddr += PMD_SIZE) {
-			unsigned long pe;
-
-			if (paddr >= end)
-				break;
-			pe = __PAGE_KERNEL_LARGE_EXEC | paddr;
-			pe &= __supported_pte_mask;
-			set_pmd(pmd, __pmd(pe));
-		}
-	}
-	return 0;
-}
-
-static int set_up_temporary_mappings(void)
-{
-	unsigned long start, end, next;
-	int error;
-
-	temp_level4_pgt = (pgd_t *)get_safe_page(GFP_ATOMIC);
-	if (!temp_level4_pgt)
-		return -ENOMEM;
-
-	/* It is safe to reuse the original kernel mapping */
-	set_pgd(temp_level4_pgt + pgd_index(__START_KERNEL_map),
-		init_level4_pgt[pgd_index(__START_KERNEL_map)]);
-
-	/* Set up the direct mapping from scratch */
-	start = (unsigned long)pfn_to_kaddr(0);
-	end = (unsigned long)pfn_to_kaddr(end_pfn);
-
-	for (; start < end; start = next) {
-		pud_t *pud = (pud_t *)get_safe_page(GFP_ATOMIC);
-		if (!pud)
-			return -ENOMEM;
-		next = start + PGDIR_SIZE;
-		if (next > end)
-			next = end;
-		if ((error = res_phys_pud_init(pud, __pa(start), __pa(next))))
-			return error;
-		set_pgd(temp_level4_pgt + pgd_index(start),
-			mk_kernel_pgd(__pa(pud)));
-	}
-	return 0;
-}
-
-int swsusp_arch_resume(void)
-{
-	int error;
-
-	/* We have got enough memory and from now on we cannot recover */
-	if ((error = set_up_temporary_mappings()))
-		return error;
-
-	relocated_restore_code = (void *)get_safe_page(GFP_ATOMIC);
-	if (!relocated_restore_code)
-		return -ENOMEM;
-	memcpy(relocated_restore_code, &core_restore_code,
-	       &restore_registers - &core_restore_code);
-
-	restore_image();
-	return 0;
-}
-
-/*
- *	pfn_is_nosave - check if given pfn is in the 'nosave' section
- */
-
-int pfn_is_nosave(unsigned long pfn)
-{
-	unsigned long nosave_begin_pfn = __pa_symbol(&__nosave_begin) >> PAGE_SHIFT;
-	unsigned long nosave_end_pfn = PAGE_ALIGN(__pa_symbol(&__nosave_end)) >> PAGE_SHIFT;
-	return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
-}
-
-struct restore_data_record {
-	unsigned long jump_address;
-	unsigned long cr3;
-	unsigned long magic;
-};
-
-#define RESTORE_MAGIC	0x0123456789ABCDEFUL
-
-/**
- *	arch_hibernation_header_save - populate the architecture specific part
- *		of a hibernation image header
- *	@addr: address to save the data at
- */
-int arch_hibernation_header_save(void *addr, unsigned int max_size)
-{
-	struct restore_data_record *rdr = addr;
-
-	if (max_size < sizeof(struct restore_data_record))
-		return -EOVERFLOW;
-	rdr->jump_address = restore_jump_address;
-	rdr->cr3 = restore_cr3;
-	rdr->magic = RESTORE_MAGIC;
-	return 0;
-}
-
-/**
- *	arch_hibernation_header_restore - read the architecture specific data
- *		from the hibernation image header
- *	@addr: address to read the data from
- */
-int arch_hibernation_header_restore(void *addr)
-{
-	struct restore_data_record *rdr = addr;
-
-	restore_jump_address = rdr->jump_address;
-	restore_cr3 = rdr->cr3;
-	return (rdr->magic == RESTORE_MAGIC) ? 0 : -EINVAL;
-}
-#endif /* CONFIG_HIBERNATION */
Index: linux-2.6/arch/x86/power/Makefile
===================================================================
--- linux-2.6.orig/arch/x86/power/Makefile
+++ linux-2.6/arch/x86/power/Makefile
@@ -1,7 +1,2 @@
-ifeq ($(CONFIG_X86_64),y)
-        obj-$(CONFIG_PM)		+= suspend_64.o
-        obj-$(CONFIG_HIBERNATION)	+= hibernate_asm_64.o
-else
-	obj-$(CONFIG_PM)		+= cpu_32.o
-	obj-$(CONFIG_HIBERNATION)	+= hibernate_32.o hibernate_asm_32.o
-endif
+obj-$(CONFIG_PM_SLEEP)		+= cpu_$(BITS).o
+obj-$(CONFIG_HIBERNATION)	+= hibernate_$(BITS).o hibernate_asm_$(BITS).o
--
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