{
/* see if kmalloc will give us cachline aligned memory by default */
*base = kmalloc(size, flags);
- if (*base == NULL) {
+ if (*base == NULL)
return NULL;
- }
- if ((u64)*base == L1_CACHE_ALIGN((u64)*base)) {
+
+ if ((u64)*base == L1_CACHE_ALIGN((u64)*base))
return *base;
- }
+
kfree(*base);
/* nope, we'll have to do it ourselves */
*base = kmalloc(size + L1_CACHE_BYTES, flags);
- if (*base == NULL) {
+ if (*base == NULL)
return NULL;
- }
+
return (void *)L1_CACHE_ALIGN((u64)*base);
}
"0x%016lx, address=0x%016lx, len=0x%016lx\n",
status, cookie, rp_pa, len);
- if (status != SALRET_MORE_PASSES) {
+ if (status != SALRET_MORE_PASSES)
break;
- }
if (L1_CACHE_ALIGN(len) > buf_len) {
kfree(buf_base);
kfree(buf_base);
- if (status != SALRET_OK) {
+ if (status != SALRET_OK)
rp_pa = 0;
- }
+
dev_dbg(xpc_part, "reserved page at phys address 0x%016lx\n", rp_pa);
return rp_pa;
}
* on subsequent loads of XPC. This AMO page is never freed, and its
* memory protections are never restricted.
*/
- if ((amos_page = xpc_vars->amos_page) == NULL) {
+ amos_page = xpc_vars->amos_page;
+ if (amos_page == NULL) {
amos_page = (AMO_t *)TO_AMO(uncached_alloc_page(0));
if (amos_page == NULL) {
dev_err(xpc_part, "can't allocate page of AMOs\n");
XP_MAX_PARTITIONS);
/* initialize the activate IRQ related AMO variables */
- for (i = 0; i < xp_nasid_mask_words; i++) {
+ for (i = 0; i < xp_nasid_mask_words; i++)
(void)xpc_IPI_init(XPC_ACTIVATE_IRQ_AMOS + i);
- }
/* initialize the engaged remote partitions related AMO variables */
(void)xpc_IPI_init(XPC_ENGAGED_PARTITIONS_AMO);
int node;
int nasid;
- // >>> Change SH_IPI_ACCESS code to use SAL call once it is available.
+ /* >>> Change SH_IPI_ACCESS code to use SAL call once it is available */
if (is_shub2()) {
xpc_sh2_IPI_access0 =
xpc_prot_vec[node] = (u64)HUB_L((u64 *)
GLOBAL_MMR_ADDR
(nasid,
- SH1_MD_DQLP_MMR_DIR_PRIVEC0));
+ SH1_MD_DQLP_MMR_DIR_PRIVEC0));
HUB_S((u64 *)
GLOBAL_MMR_ADDR(nasid,
- SH1_MD_DQLP_MMR_DIR_PRIVEC0),
+ SH1_MD_DQLP_MMR_DIR_PRIVEC0),
-1UL);
HUB_S((u64 *)
GLOBAL_MMR_ADDR(nasid,
- SH1_MD_DQRP_MMR_DIR_PRIVEC0),
+ SH1_MD_DQRP_MMR_DIR_PRIVEC0),
-1UL);
}
}
int node;
int nasid;
- // >>> Change SH_IPI_ACCESS code to use SAL call once it is available.
+ /* >>> Change SH_IPI_ACCESS code to use SAL call once it is available */
if (is_shub2()) {
if (enable_shub_wars_1_1()) {
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid,
- SH1_MD_DQLP_MMR_DIR_PRIVEC0),
+ SH1_MD_DQLP_MMR_DIR_PRIVEC0),
xpc_prot_vec[node]);
HUB_S((u64 *)GLOBAL_MMR_ADDR(nasid,
- SH1_MD_DQRP_MMR_DIR_PRIVEC0),
+ SH1_MD_DQRP_MMR_DIR_PRIVEC0),
xpc_prot_vec[node]);
}
}
for (partid = 1; partid < XP_MAX_PARTITIONS; partid++) {
- if (xpc_exiting) {
+ if (xpc_exiting)
break;
- }
- if (partid == sn_partition_id) {
+ if (partid == sn_partition_id)
continue;
- }
part = &xpc_partitions[partid];
/* get the reserved page's physical address */
*remote_rp_pa = xpc_get_rsvd_page_pa(nasid);
- if (*remote_rp_pa == 0) {
+ if (*remote_rp_pa == 0)
return xpcNoRsvdPageAddr;
- }
/* pull over the reserved page header and part_nasids mask */
bres = xp_bte_copy(*remote_rp_pa, (u64)remote_rp,
XPC_RP_HEADER_SIZE + xp_nasid_mask_bytes,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
- if (bres != BTE_SUCCESS) {
+ if (bres != BTE_SUCCESS)
return xpc_map_bte_errors(bres);
- }
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 < xp_nasid_mask_words; i++)
discovered_nasids[i] |= remote_part_nasids[i];
- }
}
/* check that the partid is for another partition */
return xpcInvalidPartid;
}
- if (remote_rp->partid == sn_partition_id) {
+ if (remote_rp->partid == sn_partition_id)
return xpcLocalPartid;
- }
if (XPC_VERSION_MAJOR(remote_rp->version) !=
XPC_VERSION_MAJOR(XPC_RP_VERSION)) {
{
int bres;
- if (remote_vars_pa == 0) {
+ if (remote_vars_pa == 0)
return xpcVarsNotSet;
- }
/* pull over the cross partition variables */
bres = xp_bte_copy(remote_vars_pa, (u64)remote_vars, XPC_RP_VARS_SIZE,
(BTE_NOTIFY | BTE_WACQUIRE), NULL);
- if (bres != BTE_SUCCESS) {
+ if (bres != BTE_SUCCESS)
return xpc_map_bte_errors(bres);
- }
if (XPC_VERSION_MAJOR(remote_vars->version) !=
XPC_VERSION_MAJOR(XPC_V_VERSION)) {
remote_vars_pa = remote_rp->vars_pa;
remote_rp_version = remote_rp->version;
- if (XPC_SUPPORTS_RP_STAMP(remote_rp_version)) {
+ if (XPC_SUPPORTS_RP_STAMP(remote_rp_version))
remote_rp_stamp = remote_rp->stamp;
- }
+
partid = remote_rp->partid;
part = &xpc_partitions[partid];
"%ld:0x%lx\n", (int)nasid, (int)partid, part->act_IRQ_rcvd,
remote_vars->heartbeat, remote_vars->heartbeating_to_mask);
- if (xpc_partition_disengaged(part) && part->act_state == XPC_P_INACTIVE) {
+ if (xpc_partition_disengaged(part) &&
+ part->act_state == XPC_P_INACTIVE) {
xpc_update_partition_info(part, remote_rp_version,
&remote_rp_stamp, remote_rp_pa,
/* scan through act AMO variable looking for non-zero entries */
for (word = 0; word < xp_nasid_mask_words; word++) {
- if (xpc_exiting) {
+ if (xpc_exiting)
break;
- }
nasid_mask = xpc_IPI_receive(&act_amos[word]);
if (nasid_mask == 0) {
disengaged = (xpc_partition_engaged(1UL << partid) == 0);
if (part->disengage_request_timeout) {
if (!disengaged) {
- if (time_before(jiffies, part->disengage_request_timeout)) {
+ if (time_before(jiffies,
+ part->disengage_request_timeout)) {
/* timelimit hasn't been reached yet */
return 0;
}
DBUG_ON(part->act_state != XPC_P_DEACTIVATING &&
part->act_state != XPC_P_INACTIVE);
- if (part->act_state != XPC_P_INACTIVE) {
+ if (part->act_state != XPC_P_INACTIVE)
xpc_wakeup_channel_mgr(part);
- }
- if (XPC_SUPPORTS_DISENGAGE_REQUEST(part->remote_vars_version)) {
+ if (XPC_SUPPORTS_DISENGAGE_REQUEST(part->remote_vars_version))
xpc_cancel_partition_disengage_request(part);
- }
}
return disengaged;
}
remote_rp = xpc_kmalloc_cacheline_aligned(XPC_RP_HEADER_SIZE +
xp_nasid_mask_bytes,
GFP_KERNEL, &remote_rp_base);
- if (remote_rp == NULL) {
+ if (remote_rp == NULL)
return;
- }
+
remote_vars = (struct xpc_vars *)remote_rp;
discovered_nasids = kzalloc(sizeof(u64) * xp_nasid_mask_words,
for (region = 0; region < max_regions; region++) {
- if ((volatile int)xpc_exiting) {
+ if (xpc_exiting)
break;
- }
dev_dbg(xpc_part, "searching region %d\n", region);
for (nasid = (region * region_size * 2);
nasid < ((region + 1) * region_size * 2); nasid += 2) {
- if ((volatile int)xpc_exiting) {
+ if (xpc_exiting)
break;
- }
dev_dbg(xpc_part, "checking nasid %d\n", nasid);
"from nasid %d, reason=%d\n", nasid,
ret);
- if (ret == xpcLocalPartid) {
+ if (ret == xpcLocalPartid)
break;
- }
+
continue;
}
int bte_res;
part = &xpc_partitions[partid];
- if (part->remote_rp_pa == 0) {
+ if (part->remote_rp_pa == 0)
return xpcPartitionDown;
- }
memset(nasid_mask, 0, XP_NASID_MASK_BYTES);
projects / firefly-linux-kernel-4.4.55.git / blobdiff