disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/powerpc/platforms/pseries/firmware.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  pSeries firmware setup code.
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  *
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@@ -14,11 +15,6 @@
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  *    Copyright (C) 2005 Stephen Rothwell, IBM Corporation
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  *
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  *  Copyright 2006 IBM Corporation.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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@@ -26,6 +22,7 @@
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 #include <asm/firmware.h>
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 #include <asm/prom.h>
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 #include <asm/udbg.h>
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+#include <asm/svm.h>
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 #include "pseries.h"
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..
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@@ -59,12 +56,16 @@
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 	{FW_FEATURE_LLAN,		"hcall-lLAN"},
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 	{FW_FEATURE_BULK_REMOVE,	"hcall-bulk"},
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 	{FW_FEATURE_XDABR,		"hcall-xdabr"},
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-	{FW_FEATURE_MULTITCE,		"hcall-multi-tce"},
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+	{FW_FEATURE_PUT_TCE_IND | FW_FEATURE_STUFF_TCE,
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+					"hcall-multi-tce"},
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 	{FW_FEATURE_SPLPAR,		"hcall-splpar"},
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 	{FW_FEATURE_VPHN,		"hcall-vphn"},
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 	{FW_FEATURE_SET_MODE,		"hcall-set-mode"},
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 	{FW_FEATURE_BEST_ENERGY,	"hcall-best-energy-1*"},
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 	{FW_FEATURE_HPT_RESIZE,		"hcall-hpt-resize"},
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+	{FW_FEATURE_BLOCK_REMOVE,	"hcall-block-remove"},
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+	{FW_FEATURE_PAPR_SCM,		"hcall-scm"},
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+	{FW_FEATURE_RPT_INVALIDATE,	"hcall-rpt-invalidate"},
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 };
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 /* Build up the firmware features bitmask using the contents of
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@@ -102,6 +103,12 @@
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 		}
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 	}
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+	if (is_secure_guest() &&
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+	    (powerpc_firmware_features & FW_FEATURE_PUT_TCE_IND)) {
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+		powerpc_firmware_features &= ~FW_FEATURE_PUT_TCE_IND;
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+		pr_debug("SVM: disabling PUT_TCE_IND firmware feature\n");
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+	}
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+
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 	pr_debug(" <- fw_hypertas_feature_init()\n");
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 }
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