diff options
Diffstat (limited to 'arch/ia64/sn/kernel/xpc_partition.c')
-rw-r--r-- | arch/ia64/sn/kernel/xpc_partition.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c index 2a89cfce4954..57c723f5cba4 100644 --- a/arch/ia64/sn/kernel/xpc_partition.c +++ b/arch/ia64/sn/kernel/xpc_partition.c | |||
@@ -71,19 +71,15 @@ struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1]; | |||
71 | * Generic buffer used to store a local copy of portions of a remote | 71 | * Generic buffer used to store a local copy of portions of a remote |
72 | * partition's reserved page (either its header and part_nasids mask, | 72 | * partition's reserved page (either its header and part_nasids mask, |
73 | * or its vars). | 73 | * or its vars). |
74 | * | ||
75 | * xpc_discovery runs only once and is a seperate thread that is | ||
76 | * very likely going to be processing in parallel with receiving | ||
77 | * interrupts. | ||
78 | */ | 74 | */ |
79 | char ____cacheline_aligned xpc_remote_copy_buffer[XPC_RP_HEADER_SIZE + | 75 | char *xpc_remote_copy_buffer; |
80 | XP_NASID_MASK_BYTES]; | 76 | void *xpc_remote_copy_buffer_base; |
81 | 77 | ||
82 | 78 | ||
83 | /* | 79 | /* |
84 | * Guarantee that the kmalloc'd memory is cacheline aligned. | 80 | * Guarantee that the kmalloc'd memory is cacheline aligned. |
85 | */ | 81 | */ |
86 | static void * | 82 | void * |
87 | xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base) | 83 | xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base) |
88 | { | 84 | { |
89 | /* see if kmalloc will give us cachline aligned memory by default */ | 85 | /* see if kmalloc will give us cachline aligned memory by default */ |
@@ -148,7 +144,7 @@ xpc_get_rsvd_page_pa(int nasid) | |||
148 | } | 144 | } |
149 | } | 145 | } |
150 | 146 | ||
151 | bte_res = xp_bte_copy(rp_pa, ia64_tpa(buf), buf_len, | 147 | bte_res = xp_bte_copy(rp_pa, buf, buf_len, |
152 | (BTE_NOTIFY | BTE_WACQUIRE), NULL); | 148 | (BTE_NOTIFY | BTE_WACQUIRE), NULL); |
153 | if (bte_res != BTE_SUCCESS) { | 149 | if (bte_res != BTE_SUCCESS) { |
154 | dev_dbg(xpc_part, "xp_bte_copy failed %i\n", bte_res); | 150 | dev_dbg(xpc_part, "xp_bte_copy failed %i\n", bte_res); |
@@ -447,7 +443,7 @@ xpc_check_remote_hb(void) | |||
447 | 443 | ||
448 | /* pull the remote_hb cache line */ | 444 | /* pull the remote_hb cache line */ |
449 | bres = xp_bte_copy(part->remote_vars_pa, | 445 | bres = xp_bte_copy(part->remote_vars_pa, |
450 | ia64_tpa((u64) remote_vars), | 446 | (u64) remote_vars, |
451 | XPC_RP_VARS_SIZE, | 447 | XPC_RP_VARS_SIZE, |
452 | (BTE_NOTIFY | BTE_WACQUIRE), NULL); | 448 | (BTE_NOTIFY | BTE_WACQUIRE), NULL); |
453 | if (bres != BTE_SUCCESS) { | 449 | if (bres != BTE_SUCCESS) { |
@@ -498,8 +494,7 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids, | |||
498 | 494 | ||
499 | 495 | ||
500 | /* pull over the reserved page header and part_nasids mask */ | 496 | /* pull over the reserved page header and part_nasids mask */ |
501 | 497 | bres = xp_bte_copy(*remote_rp_pa, (u64) remote_rp, | |
502 | bres = xp_bte_copy(*remote_rp_pa, ia64_tpa((u64) remote_rp), | ||
503 | XPC_RP_HEADER_SIZE + xp_nasid_mask_bytes, | 498 | XPC_RP_HEADER_SIZE + xp_nasid_mask_bytes, |
504 | (BTE_NOTIFY | BTE_WACQUIRE), NULL); | 499 | (BTE_NOTIFY | BTE_WACQUIRE), NULL); |
505 | if (bres != BTE_SUCCESS) { | 500 | if (bres != BTE_SUCCESS) { |
@@ -554,11 +549,8 @@ xpc_get_remote_vars(u64 remote_vars_pa, struct xpc_vars *remote_vars) | |||
554 | return xpcVarsNotSet; | 549 | return xpcVarsNotSet; |
555 | } | 550 | } |
556 | 551 | ||
557 | |||
558 | /* pull over the cross partition variables */ | 552 | /* pull over the cross partition variables */ |
559 | 553 | bres = xp_bte_copy(remote_vars_pa, (u64) remote_vars, XPC_RP_VARS_SIZE, | |
560 | bres = xp_bte_copy(remote_vars_pa, ia64_tpa((u64) remote_vars), | ||
561 | XPC_RP_VARS_SIZE, | ||
562 | (BTE_NOTIFY | BTE_WACQUIRE), NULL); | 554 | (BTE_NOTIFY | BTE_WACQUIRE), NULL); |
563 | if (bres != BTE_SUCCESS) { | 555 | if (bres != BTE_SUCCESS) { |
564 | return xpc_map_bte_errors(bres); | 556 | return xpc_map_bte_errors(bres); |
@@ -1239,7 +1231,7 @@ xpc_initiate_partid_to_nasids(partid_t partid, void *nasid_mask) | |||
1239 | 1231 | ||
1240 | part_nasid_pa = (u64) XPC_RP_PART_NASIDS(part->remote_rp_pa); | 1232 | part_nasid_pa = (u64) XPC_RP_PART_NASIDS(part->remote_rp_pa); |
1241 | 1233 | ||
1242 | bte_res = xp_bte_copy(part_nasid_pa, ia64_tpa((u64) nasid_mask), | 1234 | bte_res = xp_bte_copy(part_nasid_pa, (u64) nasid_mask, |
1243 | xp_nasid_mask_bytes, (BTE_NOTIFY | BTE_WACQUIRE), NULL); | 1235 | xp_nasid_mask_bytes, (BTE_NOTIFY | BTE_WACQUIRE), NULL); |
1244 | 1236 | ||
1245 | return xpc_map_bte_errors(bte_res); | 1237 | return xpc_map_bte_errors(bte_res); |