diff options
Diffstat (limited to 'drivers/misc/sgi-xp/xpc_main.c')
| -rw-r--r-- | drivers/misc/sgi-xp/xpc_main.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c index a05c7c7da228..2180f1f7e087 100644 --- a/drivers/misc/sgi-xp/xpc_main.c +++ b/drivers/misc/sgi-xp/xpc_main.c @@ -175,6 +175,8 @@ static struct notifier_block xpc_die_notifier = { .notifier_call = xpc_system_die, }; +enum xp_retval (*xpc_rsvd_page_init) (struct xpc_rsvd_page *rp); + /* * Timer function to enforce the timelimit on the partition disengage request. */ @@ -949,7 +951,7 @@ xpc_do_exit(enum xp_retval reason) DBUG_ON(xpc_partition_engaged(-1UL)); /* indicate to others that our reserved page is uninitialized */ - xpc_rsvd_page->vars_pa = 0; + xpc_rsvd_page->stamp = ZERO_STAMP; /* now it's time to eliminate our heartbeat */ del_timer_sync(&xpc_hb_timer); @@ -1128,8 +1130,24 @@ xpc_init(void) struct task_struct *kthread; size_t buf_size; - if (!ia64_platform_is("sn2")) + if (is_shub()) { + /* + * The ia64-sn2 architecture supports at most 64 partitions. + * And the inability to unregister remote AMOs restricts us + * further to only support exactly 64 partitions on this + * architecture, no less. + */ + if (xp_max_npartitions != 64) + return -EINVAL; + + xpc_init_sn2(); + + } else if (is_uv()) { + xpc_init_uv(); + + } else { return -ENODEV; + } snprintf(xpc_part->bus_id, BUS_ID_SIZE, "part"); snprintf(xpc_chan->bus_id, BUS_ID_SIZE, "chan"); @@ -1214,7 +1232,7 @@ xpc_init(void) * other partitions to discover we are alive and establish initial * communications. */ - xpc_rsvd_page = xpc_rsvd_page_init(); + xpc_rsvd_page = xpc_setup_rsvd_page(); if (xpc_rsvd_page == NULL) { dev_err(xpc_part, "can't setup our reserved page\n"); ret = -EBUSY; @@ -1273,7 +1291,8 @@ xpc_init(void) /* initialization was not successful */ out_4: /* indicate to others that our reserved page is uninitialized */ - xpc_rsvd_page->vars_pa = 0; + xpc_rsvd_page->stamp = ZERO_STAMP; + del_timer_sync(&xpc_hb_timer); (void)unregister_die_notifier(&xpc_die_notifier); (void)unregister_reboot_notifier(&xpc_reboot_notifier); |