sgi-xp: isolate remote copy buffer to sn2 only
Make the remote copy buffer an sn2 only item.
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/misc/sgi-xp/xpc_partition.c b/drivers/misc/sgi-xp/xpc_partition.c
index c769ab8..9f10445 100644
--- a/drivers/misc/sgi-xp/xpc_partition.c
+++ b/drivers/misc/sgi-xp/xpc_partition.c
@@ -34,21 +34,12 @@
static u64 *xpc_part_nasids;
u64 *xpc_mach_nasids;
-/* >>> next two variables should be 'xpc_' if they remain here */
-static int xp_sizeof_nasid_mask; /* actual size in bytes of nasid mask */
-int xp_nasid_mask_words; /* actual size in words of nasid mask */
+static int xpc_sizeof_nasid_mask; /* actual size in bytes of nasid mask */
+int xpc_nasid_mask_words; /* actual size in words of nasid mask */
struct xpc_partition *xpc_partitions;
/*
- * Generic buffer used to store a local copy of portions of a remote
- * partition's reserved page (either its header and part_nasids mask,
- * or its vars).
- */
-char *xpc_remote_copy_buffer;
-void *xpc_remote_copy_buffer_base;
-
-/*
* Guarantee that the kmalloc'd memory is cacheline aligned.
*/
void *
@@ -176,9 +167,9 @@
/* SAL_version 1 didn't set the nasids_size field */
rp->SAL_nasids_size = 128;
}
- xp_sizeof_nasid_mask = rp->SAL_nasids_size;
- xp_nasid_mask_words = DIV_ROUND_UP(xp_sizeof_nasid_mask,
- BYTES_PER_WORD);
+ xpc_sizeof_nasid_mask = rp->SAL_nasids_size;
+ xpc_nasid_mask_words = DIV_ROUND_UP(xpc_sizeof_nasid_mask,
+ BYTES_PER_WORD);
/* setup the pointers to the various items in the reserved page */
xpc_part_nasids = XPC_RP_PART_NASIDS(rp);
@@ -222,14 +213,14 @@
/* pull over the reserved page header and part_nasids mask */
ret = xp_remote_memcpy(remote_rp, (void *)*remote_rp_pa,
- XPC_RP_HEADER_SIZE + xp_sizeof_nasid_mask);
+ XPC_RP_HEADER_SIZE + xpc_sizeof_nasid_mask);
if (ret != xpSuccess)
return ret;
if (discovered_nasids != NULL) {
u64 *remote_part_nasids = XPC_RP_PART_NASIDS(remote_rp);
- for (i = 0; i < xp_nasid_mask_words; i++)
+ for (i = 0; i < xpc_nasid_mask_words; i++)
discovered_nasids[i] |= remote_part_nasids[i];
}
@@ -414,12 +405,12 @@
enum xp_retval ret;
remote_rp = xpc_kmalloc_cacheline_aligned(XPC_RP_HEADER_SIZE +
- xp_sizeof_nasid_mask,
+ xpc_sizeof_nasid_mask,
GFP_KERNEL, &remote_rp_base);
if (remote_rp == NULL)
return;
- discovered_nasids = kzalloc(sizeof(u64) * xp_nasid_mask_words,
+ discovered_nasids = kzalloc(sizeof(u64) * xpc_nasid_mask_words,
GFP_KERNEL);
if (discovered_nasids == NULL) {
kfree(remote_rp_base);
@@ -521,10 +512,10 @@
if (part->remote_rp_pa == 0)
return xpPartitionDown;
- memset(nasid_mask, 0, XP_NASID_MASK_BYTES);
+ memset(nasid_mask, 0, xpc_sizeof_nasid_mask);
part_nasid_pa = (u64)XPC_RP_PART_NASIDS(part->remote_rp_pa);
return xp_remote_memcpy(nasid_mask, (void *)part_nasid_pa,
- xp_sizeof_nasid_mask);
+ xpc_sizeof_nasid_mask);
}