linux-kernel - [PATCH 5/8 v3] x86, UV: rename hubmask to pnmask

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Message-Id: <E1QXBUa-0004gS-17@eag09.americas.sgi.com>
Date:	Thu, 16 Jun 2011 07:16:12 -0500
From:	Cliff Wickman <cpw@....com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu
Subject: [PATCH 5/8 v3] x86, UV: rename hubmask to pnmask

From: Cliff Wickman <cpw@....com>

Rename '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'.

Diffed against 3.0.0-rc3

Signed-off-by: Cliff Wickman <cpw@....com>

---
 arch/x86/include/asm/uv/uv_bau.h |   12 ++++++------
 arch/x86/platform/uv/tlb_uv.c    |    5 ++---
 2 files changed, 8 insertions(+), 9 deletions(-)

Index: linux/arch/x86/include/asm/uv/uv_bau.h
===================================================================
--- linux.orig/arch/x86/include/asm/uv/uv_bau.h
+++ linux/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
 	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);
Index: linux/arch/x86/platform/uv/tlb_uv.c
===================================================================
--- linux.orig/arch/x86/platform/uv/tlb_uv.c
+++ linux/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_ta
 	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;
--
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