VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / include / asm-ppc64 / system.h

diff --git a/include/asm-ppc64/system.h b/include/asm-ppc64/system.h
index bb1ebb2..276bfa8 100644 (file)
--- a/include/asm-ppc64/system.h
+++ b/include/asm-ppc64/system.h
@@ -111,13 +111,25 @@ extern void flush_instruction_cache(void);
 extern int _get_PVR(void);
 extern void giveup_fpu(struct task_struct *);
 extern void disable_kernel_fp(void);
+extern void flush_fp_to_thread(struct task_struct *);
 extern void enable_kernel_fp(void);
 extern void giveup_altivec(struct task_struct *);
 extern void disable_kernel_altivec(void);
 extern void enable_kernel_altivec(void);
+extern int emulate_altivec(struct pt_regs *);
 extern void cvt_fd(float *from, double *to, unsigned long *fpscr);
 extern void cvt_df(double *from, float *to, unsigned long *fpscr);
-extern int abs(int);
+
+#ifdef CONFIG_ALTIVEC
+extern void flush_altivec_to_thread(struct task_struct *);
+#else
+static inline void flush_altivec_to_thread(struct task_struct *t)
+{
+}
+#endif
+
+/* EBCDIC -> ASCII conversion for [0-9A-Z] on iSeries */
+extern unsigned char e2a(unsigned char);
 
 extern struct task_struct *__switch_to(struct task_struct *,
                                       struct task_struct *);
@@ -277,5 +289,14 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
                                    (unsigned long)_n_, sizeof(*(ptr))); \
   })
 
+/*
+ * We handle most unaligned accesses in hardware. On the other hand 
+ * unaligned DMA can be very expensive on some ppc64 IO chips (it does
+ * powers of 2 writes until it reaches sufficient alignment).
+ *
+ * Based on this we disable the IP header alignment in network drivers.
+ */
+#define NET_IP_ALIGN   0
+
 #endif /* __KERNEL__ */
 #endif