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Commit 5b9021bc authored by Russ Anderson's avatar Russ Anderson Committed by Tony Luck
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[IA64] SGI SN remove redundant partition SAL call 



Clean up of SGI SN partitioning related code.
The SN_SAL_GET_SN_INFO SAL call returns the partition ID, making
the SN_SAL_SYSCTL_PARTITION_GET SAL call redundant.  Remove sn_partid
and use sn_partition_id.

Signed-off-by: default avatarRuss Anderson <(rja@sgi.com)>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 5390970d

arch/ia64/sn/kernel/setup.c

+0 −2
Original line number Diff line number Diff line
@@ -80,8 +80,6 @@ EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid); 
DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda);

EXPORT_PER_CPU_SYMBOL(__sn_nodepda);



partid_t sn_partid = -1;

EXPORT_SYMBOL(sn_partid);

char sn_system_serial_number_string[128];

EXPORT_SYMBOL(sn_system_serial_number_string);

u64 sn_partition_serial_number;

arch/ia64/sn/kernel/sn2/sn_proc_fs.c

+2 −2
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ 
 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 2000-2004 Silicon Graphics, Inc. All rights reserved.

 * Copyright (C) 2000-2005 Silicon Graphics, Inc. All rights reserved.

 */

#include <linux/config.h>

#include <asm/uaccess.h>
@@ -15,7 +15,7 @@ 


static int partition_id_show(struct seq_file *s, void *p)

{

	seq_printf(s, "%d\n", sn_local_partid());

	seq_printf(s, "%d\n", sn_partition_id);

	return 0;

}

include/asm-ia64/sn/geo.h

+1 −2
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ 
 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved.

 * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved.

 */



#ifndef _ASM_IA64_SN_GEO_H
@@ -108,7 +108,6 @@ typedef union geoid_u { 
#define INVALID_SLAB            (slabid_t)-1

#define INVALID_SLOT            (slotid_t)-1

#define INVALID_MODULE          ((moduleid_t)-1)

#define INVALID_PARTID          ((partid_t)-1)



static inline slabid_t geo_slab(geoid_t g)

{

include/asm-ia64/sn/sn_sal.h

+0 −48
Original line number Diff line number Diff line
@@ -55,7 +55,6 @@ 
#define  SN_SAL_BUS_CONFIG		   	   0x02000037

#define  SN_SAL_SYS_SERIAL_GET			   0x02000038

#define  SN_SAL_PARTITION_SERIAL_GET		   0x02000039

#define  SN_SAL_SYSCTL_PARTITION_GET		   0x0200003a

#define  SN_SAL_SYSTEM_POWER_DOWN		   0x0200003b

#define  SN_SAL_GET_MASTER_BASEIO_NASID		   0x0200003c

#define  SN_SAL_COHERENCE                          0x0200003d
@@ -586,35 +585,6 @@ sn_partition_serial_number_val(void) { 
	return sn_partition_serial_number;

}



/*

 * Returns the partition id of the nasid passed in as an argument,

 * or INVALID_PARTID if the partition id cannot be retrieved.

 */

static inline partid_t

ia64_sn_sysctl_partition_get(nasid_t nasid)

{

	struct ia64_sal_retval ret_stuff;

	ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid,

				0, 0, 0, 0, 0, 0);

	if (ret_stuff.status != 0)

	    return INVALID_PARTID;

	return ((partid_t)ret_stuff.v0);

}



/*

 * Returns the partition id of the current processor.

 */



extern partid_t sn_partid;



static inline partid_t

sn_local_partid(void) {

	if (unlikely(sn_partid < 0)) {

		sn_partid = ia64_sn_sysctl_partition_get(cpuid_to_nasid(smp_processor_id()));

	}

	return sn_partid;

}



/*

 * Returns the physical address of the partition's reserved page through

 * an iterative number of calls.
@@ -1020,24 +990,6 @@ ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift, 
	ret_stuff.v2 = 0;

	SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0);



/***** BEGIN HACK - temp til old proms no longer supported ********/

	if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {

		int nasid = get_sapicid() & 0xfff;;

#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL                                               

#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48                                                               

		if (shubtype) *shubtype = 0;

		if (nasid_bitmask) *nasid_bitmask = 0x7ff;

		if (nasid_shift) *nasid_shift = 38;

		if (systemsize) *systemsize = 11;

		if (sharing_domain_size) *sharing_domain_size = 9;

		if (partid) *partid = ia64_sn_sysctl_partition_get(nasid);

		if (coher) *coher = nasid >> 9;

		if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >>

			SH_SHUB_ID_NODES_PER_BIT_SHFT;

		return 0;

	}

/***** END HACK *******/



	if (ret_stuff.status < 0)

		return ret_stuff.status;