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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/misc/sgi-xp/xpc_partition.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) 2004-2008 Silicon Graphics, Inc.  All Rights Reserved.
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  */
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@@ -93,13 +94,8 @@
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 		if (ret != xpNeedMoreInfo)
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 			break;
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-		/* !!! L1_CACHE_ALIGN() is only a sn2-bte_copy requirement */
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-		if (is_shub())
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-			len = L1_CACHE_ALIGN(len);
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-
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 		if (len > buf_len) {
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-			if (buf_base != NULL)
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-				kfree(buf_base);
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+			kfree(buf_base);
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 			buf_len = L1_CACHE_ALIGN(len);
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 			buf = xpc_kmalloc_cacheline_aligned(buf_len, GFP_KERNEL,
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 							    &buf_base);
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@@ -438,7 +434,7 @@
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 	 */
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 	region_size = xp_region_size;
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-	if (is_uv())
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+	if (is_uv_system())
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 		max_regions = 256;
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 	else {
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 		max_regions = 64;
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@@ -446,14 +442,13 @@
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 		switch (region_size) {
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 		case 128:
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 			max_regions *= 2;
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-			/* fall through */
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+			fallthrough;
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 		case 64:
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 			max_regions *= 2;
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-			/* fall through */
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+			fallthrough;
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 		case 32:
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 			max_regions *= 2;
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 			region_size = 16;
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-			DBUG_ON(!is_shub2());
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 		}
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 	}
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