Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

* git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (27 commits)
  arch/tile: support newer binutils assembler shift semantics
  arch/tile: fix deadlock bugs in rwlock implementation
  drivers/edac: provide support for tile architecture
  tile on-chip network driver: sync up with latest fixes
  arch/tile: support 4KB page size as well as 64KB
  arch/tile: add some more VMSPLIT options and use consistent naming
  arch/tile: fix some comments and whitespace
  arch/tile: export some additional module symbols
  arch/tile: enhance existing finv_buffer_remote() routine
  arch/tile: fix two bugs in the backtracer code
  arch/tile: use extended assembly to inline __mb_incoherent()
  arch/tile: use a cleaner technique to enable interrupt for cpu_idle()
  arch/tile: sync up with <arch/sim.h> and <arch/sim_def.h> changes
  arch/tile: fix reversed test of strict_strtol() return value
  arch/tile: avoid a simulator warning during bootup
  arch/tile: export <asm/hardwall.h> to userspace
  arch/tile: warn and retry if an IPI is not accepted by the target cpu
  arch/tile: stop disabling INTCTRL_1 interrupts during hypervisor downcalls
  arch/tile: fix __ndelay etc to work better
  arch/tile: bug fix: exec'ed task thought it was still single-stepping
  ...

Fix up trivial conflict in arch/tile/kernel/vmlinux.lds.S (percpu
alignment vs section naming convention fix)

1 files changed, 45 insertions, 1 deletions

diff --git a/arch/tile/include/hv/hypervisor.h b/arch/tile/include/hv/hypervisor.h
index f672544..1b8bf03 100644
--- a/arch/tile/include/hv/hypervisor.h
+++ b/arch/tile/include/hv/hypervisor.h
@@ -338,9 +338,10 @@ typedef int HV_Errno;
 #define HV_ENOTREADY   -812  /**< Device not ready */
 #define HV_EIO         -813  /**< I/O error */
 #define HV_ENOMEM      -814  /**< Out of memory */
+#define HV_EAGAIN      -815  /**< Try again */
 
 #define HV_ERR_MAX     -801  /**< Largest HV error code */
-#define HV_ERR_MIN     -814  /**< Smallest HV error code */
+#define HV_ERR_MIN     -815  /**< Smallest HV error code */
 
 #ifndef __ASSEMBLER__
 
@@ -867,6 +868,43 @@ typedef struct
  */
 HV_PhysAddrRange hv_inquire_physical(int idx);
 
+/** Possible DIMM types. */
+typedef enum
+{
+  NO_DIMM                    = 0,  /**< No DIMM */
+  DDR2                       = 1,  /**< DDR2 */
+  DDR3                       = 2   /**< DDR3 */
+} HV_DIMM_Type;
+
+#ifdef __tilegx__
+
+/** Log2 of minimum DIMM bytes supported by the memory controller. */
+#define HV_MSH_MIN_DIMM_SIZE_SHIFT 29
+
+/** Max number of DIMMs contained by one memory controller. */
+#define HV_MSH_MAX_DIMMS 8
+
+#else
+
+/** Log2 of minimum DIMM bytes supported by the memory controller. */
+#define HV_MSH_MIN_DIMM_SIZE_SHIFT 26
+
+/** Max number of DIMMs contained by one memory controller. */
+#define HV_MSH_MAX_DIMMS 2
+
+#endif
+
+/** Number of bits to right-shift to get the DIMM type. */
+#define HV_DIMM_TYPE_SHIFT 0
+
+/** Bits to mask to get the DIMM type. */
+#define HV_DIMM_TYPE_MASK 0xf
+
+/** Number of bits to right-shift to get the DIMM size. */
+#define HV_DIMM_SIZE_SHIFT 4
+
+/** Bits to mask to get the DIMM size. */
+#define HV_DIMM_SIZE_MASK 0xf
 
 /** Memory controller information. */
 typedef struct
@@ -964,6 +1002,11 @@ HV_ASIDRange hv_inquire_asid(int idx);
 
 /** Waits for at least the specified number of nanoseconds then returns.
  *
+ * NOTE: this deprecated function currently assumes a 750 MHz clock,
+ * and is thus not generally suitable for use.  New code should call
+ * hv_sysconf(HV_SYSCONF_CPU_SPEED), compute a cycle count to wait for,
+ * and delay by looping while checking the cycle counter SPR.
+ *
  * @param nanosecs The number of nanoseconds to sleep.
  */
 void hv_nanosleep(int nanosecs);
@@ -1038,6 +1081,7 @@ int hv_console_write(HV_VirtAddr bytes, int len);
  *  downcall:
  *
  *  INT_MESSAGE_RCV_DWNCL   (hypervisor message available)
+ *  INT_DEV_INTR_DWNCL      (device interrupt)
  *  INT_DMATLB_MISS_DWNCL   (DMA TLB miss)
  *  INT_SNITLB_MISS_DWNCL   (SNI TLB miss)
  *  INT_DMATLB_ACCESS_DWNCL (DMA TLB access violation)