diff options
Diffstat (limited to 'drivers/misc/sgi-xp/xpc.h')
| -rw-r--r-- | drivers/misc/sgi-xp/xpc.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h index 11ac267ed68..0f2affd01df 100644 --- a/drivers/misc/sgi-xp/xpc.h +++ b/drivers/misc/sgi-xp/xpc.h @@ -210,7 +210,7 @@ xpc_disallow_hb(short partid, struct xpc_vars *vars) * the XPC running on the remote partition). */ #define XPC_NOTIFY_IRQ_AMOS 0 -#define XPC_ACTIVATE_IRQ_AMOS (XPC_NOTIFY_IRQ_AMOS + XP_MAX_PARTITIONS) +#define XPC_ACTIVATE_IRQ_AMOS (XPC_NOTIFY_IRQ_AMOS + XP_MAX_NPARTITIONS_SN2) #define XPC_ENGAGED_PARTITIONS_AMO (XPC_ACTIVATE_IRQ_AMOS + XP_NASID_MASK_WORDS) #define XPC_DISENGAGE_REQUEST_AMO (XPC_ENGAGED_PARTITIONS_AMO + 1) @@ -285,7 +285,7 @@ struct xpc_gp { }; #define XPC_GP_SIZE \ - L1_CACHE_ALIGN(sizeof(struct xpc_gp) * XPC_NCHANNELS) + L1_CACHE_ALIGN(sizeof(struct xpc_gp) * XPC_MAX_NCHANNELS) /* * Define a structure that contains arguments associated with opening and @@ -300,7 +300,8 @@ struct xpc_openclose_args { }; #define XPC_OPENCLOSE_ARGS_SIZE \ - L1_CACHE_ALIGN(sizeof(struct xpc_openclose_args) * XPC_NCHANNELS) + L1_CACHE_ALIGN(sizeof(struct xpc_openclose_args) * \ + XPC_MAX_NCHANNELS) /* struct xpc_msg flags */ @@ -637,7 +638,7 @@ extern int xpc_exiting; extern struct xpc_vars *xpc_vars; extern struct xpc_rsvd_page *xpc_rsvd_page; extern struct xpc_vars_part *xpc_vars_part; -extern struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1]; +extern struct xpc_partition *xpc_partitions; extern char *xpc_remote_copy_buffer; extern void *xpc_remote_copy_buffer_base; extern void *xpc_kmalloc_cacheline_aligned(size_t, gfp_t, void **); @@ -1104,13 +1105,14 @@ xpc_IPI_send_local_msgrequest(struct xpc_channel *ch) } /* +>>> this block comment needs to be moved and re-written. * Memory for XPC's AMO variables is allocated by the MSPEC driver. These * pages are located in the lowest granule. The lowest granule uses 4k pages * for cached references and an alternate TLB handler to never provide a * cacheable mapping for the entire region. This will prevent speculative * reading of cached copies of our lines from being issued which will cause * a PI FSB Protocol error to be generated by the SHUB. For XPC, we need 64 - * AMO variables (based on XP_MAX_PARTITIONS) for message notification and an + * AMO variables (based on xp_max_npartitions) for message notification and an * additional 128 AMO variables (based on XP_NASID_MASK_WORDS) for partition * activation and 2 AMO variables for partition deactivation. */ |