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authorIngo Molnar <mingo@elte.hu>2009-04-06 09:02:57 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-06 09:02:57 +0200
commitf541ae326fa120fa5c57433e4d9a133df212ce41 (patch)
treebdbd94ec72cfc601118051cb35e8617d55510177 /arch/sh/kernel/swsusp.c
parentx86: perf_counter cleanup (diff)
parentMerge branch 'audit.b62' of git://git.kernel.org/pub/scm/linux/kernel/git/vir... (diff)
downloadlinux-f541ae326fa120fa5c57433e4d9a133df212ce41.tar.xz
linux-f541ae326fa120fa5c57433e4d9a133df212ce41.zip
Merge branch 'linus' into perfcounters/core-v2
Merge reason: we have gathered quite a few conflicts, need to merge upstream Conflicts: arch/powerpc/kernel/Makefile arch/x86/ia32/ia32entry.S arch/x86/include/asm/hardirq.h arch/x86/include/asm/unistd_32.h arch/x86/include/asm/unistd_64.h arch/x86/kernel/cpu/common.c arch/x86/kernel/irq.c arch/x86/kernel/syscall_table_32.S arch/x86/mm/iomap_32.c include/linux/sched.h kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sh/kernel/swsusp.c')
-rw-r--r--arch/sh/kernel/swsusp.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/sh/kernel/swsusp.c b/arch/sh/kernel/swsusp.c
new file mode 100644
index 000000000000..12b64a0f2f01
--- /dev/null
+++ b/arch/sh/kernel/swsusp.c
@@ -0,0 +1,38 @@
+/*
+ * swsusp.c - SuperH hibernation support
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/mm.h>
+#include <linux/sched.h>
+#include <linux/suspend.h>
+#include <asm/suspend.h>
+#include <asm/sections.h>
+#include <asm/tlbflush.h>
+#include <asm/page.h>
+#include <asm/fpu.h>
+
+struct swsusp_arch_regs swsusp_arch_regs_cpu0;
+
+int pfn_is_nosave(unsigned long pfn)
+{
+ unsigned long begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
+ unsigned long end_pfn = PAGE_ALIGN(__pa(&__nosave_end)) >> PAGE_SHIFT;
+
+ return (pfn >= begin_pfn) && (pfn < end_pfn);
+}
+
+void save_processor_state(void)
+{
+ init_fpu(current);
+}
+
+void restore_processor_state(void)
+{
+ local_flush_tlb_all();
+}