These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / powerpc / include / asm / reg.h

diff --git a/kernel/arch/powerpc/include/asm/reg.h b/kernel/arch/powerpc/include/asm/reg.h
index af56b5c..2220f7a 100644 (file)
--- a/kernel/arch/powerpc/include/asm/reg.h
+++ b/kernel/arch/powerpc/include/asm/reg.h
@@ -108,6 +108,7 @@
 #define MSR_TS_T       __MASK(MSR_TS_T_LG)     /*  Transaction Transactional */
 #define MSR_TS_MASK    (MSR_TS_T | MSR_TS_S)   /* Transaction State bits */
 #define MSR_TM_ACTIVE(x) (((x) & MSR_TS_MASK) != 0) /* Transaction active? */
+#define MSR_TM_RESV(x) (((x) & MSR_TS_MASK) == MSR_TS_MASK) /* Reserved */
 #define MSR_TM_TRANSACTIONAL(x)        (((x) & MSR_TS_MASK) == MSR_TS_T)
 #define MSR_TM_SUSPENDED(x)    (((x) & MSR_TS_MASK) == MSR_TS_S)
 
@@ -226,7 +227,6 @@
 #define   CTRL_TE      0x00c00000      /* thread enable */
 #define   CTRL_RUNLATCH        0x1
 #define SPRN_DAWR      0xB4
-#define SPRN_MPPR      0xB8    /* Micro Partition Prefetch Register */
 #define SPRN_RPR       0xBA    /* Relative Priority Register */
 #define SPRN_CIABR     0xBB
 #define   CIABR_PRIV           0x3
@@ -1193,8 +1193,7 @@
 #ifdef CONFIG_PPC_BOOK3S_64
 #define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \
                                     : : "r" (v) : "memory")
-#define mtmsrd(v)      __mtmsrd((v), 0)
-#define mtmsr(v)       mtmsrd(v)
+#define mtmsr(v)       __mtmsrd((v), 0)
 #else
 #define mtmsr(v)       asm volatile("mtmsr %0" : \
                                     : "r" ((unsigned long)(v)) \
@@ -1281,6 +1280,15 @@ struct pt_regs;
 
 extern void ppc_save_regs(struct pt_regs *regs);
 
+static inline void update_power8_hid0(unsigned long hid0)
+{
+       /*
+        *  The HID0 update on Power8 should at the very least be
+        *  preceded by a a SYNC instruction followed by an ISYNC
+        *  instruction
+        */
+       asm volatile("sync; mtspr %0,%1; isync":: "i"(SPRN_HID0), "r"(hid0));
+}
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_REG_H */