This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-i386 / irq_regs.h

diff --git a/include/asm-i386/irq_regs.h b/include/asm-i386/irq_regs.h
new file mode 100644 (file)
index 0000000..a1b3f7f
--- /dev/null
+++ b/include/asm-i386/irq_regs.h
@@ -0,0 +1,27 @@
+/*
+ * Per-cpu current frame pointer - the location of the last exception frame on
+ * the stack, stored in the PDA.
+ *
+ * Jeremy Fitzhardinge <jeremy@goop.org>
+ */
+#ifndef _ASM_I386_IRQ_REGS_H
+#define _ASM_I386_IRQ_REGS_H
+
+#include <asm/pda.h>
+
+static inline struct pt_regs *get_irq_regs(void)
+{
+       return read_pda(irq_regs);
+}
+
+static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
+{
+       struct pt_regs *old_regs;
+
+       old_regs = read_pda(irq_regs);
+       write_pda(irq_regs, new_regs);
+
+       return old_regs;
+}
+
+#endif /* _ASM_I386_IRQ_REGS_H */