add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/misc/sgi-xp/xpc_main.c
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@@ -3,6 +3,7 @@
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  * License.  See the file "COPYING" in the main directory of this archive
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  * for more details.
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  *
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+ * (C) Copyright 2020 Hewlett Packard Enterprise Development LP
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  * Copyright (c) 2004-2009 Silicon Graphics, Inc.  All Rights Reserved.
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  */
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@@ -59,16 +60,16 @@
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 /* define two XPC debug device structures to be used with dev_dbg() et al */
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-struct device_driver xpc_dbg_name = {
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+static struct device_driver xpc_dbg_name = {
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 	.name = "xpc"
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 };
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-struct device xpc_part_dbg_subname = {
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+static struct device xpc_part_dbg_subname = {
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 	.init_name = "",	/* set to "part" at xpc_init() time */
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 	.driver = &xpc_dbg_name
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 };
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-struct device xpc_chan_dbg_subname = {
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+static struct device xpc_chan_dbg_subname = {
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 	.init_name = "",	/* set to "chan" at xpc_init() time */
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 	.driver = &xpc_dbg_name
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 };
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@@ -279,13 +280,6 @@
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 			dev_dbg(xpc_part, "checking remote heartbeats\n");
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 			xpc_check_remote_hb();
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-
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-			/*
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-			 * On sn2 we need to periodically recheck to ensure no
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-			 * IRQ/amo pairs have been missed.
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-			 */
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-			if (is_shub())
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-				force_IRQ = 1;
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 		}
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 		/* check for outstanding IRQs */
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@@ -1050,9 +1044,7 @@
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 	xpc_teardown_partitions();
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-	if (is_shub())
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-		xpc_exit_sn2();
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-	else if (is_uv())
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+	if (is_uv_system())
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 		xpc_exit_uv();
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 }
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@@ -1182,7 +1174,7 @@
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 		if (!xpc_kdebug_ignore)
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 			break;
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-		/* fall through */
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+		fallthrough;
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 	case DIE_MCA_MONARCH_ENTER:
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 	case DIE_INIT_MONARCH_ENTER:
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 		xpc_arch_ops.offline_heartbeat();
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@@ -1193,7 +1185,7 @@
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 		if (!xpc_kdebug_ignore)
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 			break;
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-		/* fall through */
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+		fallthrough;
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 	case DIE_MCA_MONARCH_LEAVE:
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 	case DIE_INIT_MONARCH_LEAVE:
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 		xpc_arch_ops.online_heartbeat();
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@@ -1226,7 +1218,7 @@
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 	return NOTIFY_DONE;
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 }
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-int __init
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+static int __init
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 xpc_init(void)
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 {
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 	int ret;
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@@ -1235,21 +1227,7 @@
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 	dev_set_name(xpc_part, "part");
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 	dev_set_name(xpc_chan, "chan");
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-	if (is_shub()) {
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-		/*
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-		 * The ia64-sn2 architecture supports at most 64 partitions.
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-		 * And the inability to unregister remote amos restricts us
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-		 * further to only support exactly 64 partitions on this
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-		 * architecture, no less.
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-		 */
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-		if (xp_max_npartitions != 64) {
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-			dev_err(xpc_part, "max #of partitions not set to 64\n");
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-			ret = -EINVAL;
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-		} else {
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-			ret = xpc_init_sn2();
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-		}
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-
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-	} else if (is_uv()) {
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+	if (is_uv_system()) {
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 		ret = xpc_init_uv();
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 	} else {
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@@ -1335,16 +1313,14 @@
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 	xpc_teardown_partitions();
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 out_1:
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-	if (is_shub())
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-		xpc_exit_sn2();
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-	else if (is_uv())
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+	if (is_uv_system())
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 		xpc_exit_uv();
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 	return ret;
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 }
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 module_init(xpc_init);
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-void __exit
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+static void __exit
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 xpc_exit(void)
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 {
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 	xpc_do_exit(xpUnloading);