x86, UV: Rename hubmask to pnmask

Rename 'bau_targ_hubmask' to 'pnmask' for clarity.

The BAU distribution bit mask is indexed by pnode number, not hub or
blade number.  This important fact is not clear while the mask is
called a 'hubmask'.

Signed-off-by: Cliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20110621122242.630995969@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index 605e613..fa6a48e 100644 (file)
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -183,7 +183,7 @@
  * 'base_dest_nasid' field of the header corresponds to the
  * destination nodeID associated with that specified bit.
  */
-struct bau_targ_hubmask {
+struct pnmask {
        unsigned long           bits[BITS_TO_LONGS(UV_DISTRIBUTION_SIZE)];
 };
 
@@ -314,7 +314,7 @@ struct bau_msg_header {
  * Should be 64 bytes
  */
 struct bau_desc {
-       struct bau_targ_hubmask distribution;
+       struct pnmask                   distribution;
        /*
         * message template, consisting of header and payload:
         */
@@ -596,20 +596,20 @@ static inline void write_mmr_data_config(int pnode, unsigned long mr)
        uv_write_global_mmr64(pnode, UVH_BAU_DATA_CONFIG, mr);
 }
 
-static inline int bau_uvhub_isset(int uvhub, struct bau_targ_hubmask *dstp)
+static inline int bau_uvhub_isset(int uvhub, struct pnmask *dstp)
 {
        return constant_test_bit(uvhub, &dstp->bits[0]);
 }
-static inline void bau_uvhub_set(int pnode, struct bau_targ_hubmask *dstp)
+static inline void bau_uvhub_set(int pnode, struct pnmask *dstp)
 {
        __set_bit(pnode, &dstp->bits[0]);
 }
-static inline void bau_uvhubs_clear(struct bau_targ_hubmask *dstp,
+static inline void bau_uvhubs_clear(struct pnmask *dstp,
                                    int nbits)
 {
        bitmap_zero(&dstp->bits[0], nbits);
 }
-static inline int bau_uvhub_weight(struct bau_targ_hubmask *dstp)
+static inline int bau_uvhub_weight(struct pnmask *dstp)
 {
        return bitmap_weight((unsigned long *)&dstp->bits[0],
                                UV_DISTRIBUTION_SIZE);

diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index 4b28e09..191ef28 100644 (file)
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -370,8 +370,7 @@ static void do_reset(void *ptr)
  * Use IPI to get all target uvhubs to release resources held by
  * a given sending cpu number.
  */
-static void reset_with_ipi(struct bau_targ_hubmask *distribution,
-                                               struct bau_control *bcp)
+static void reset_with_ipi(struct pnmask *distribution, struct bau_control *bcp)
 {
        int pnode;
        int apnode;
@@ -384,7 +383,7 @@ static void reset_with_ipi(struct bau_targ_hubmask *distribution,
        reset_args.sender = sender;
        cpus_clear(mask);
        /* find a single cpu for each uvhub in this distribution mask */
-       maskbits = sizeof(struct bau_targ_hubmask) * BITSPERBYTE;
+       maskbits = sizeof(struct pnmask) * BITSPERBYTE;
        /* each bit is a pnode relative to the partition base pnode */
        for (pnode = 0; pnode < maskbits; pnode++) {
                int cpu;