add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/dma/ioat/dca.c
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@@ -1,19 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Intel I/OAT DMA Linux driver
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  * Copyright(c) 2007 - 2009 Intel Corporation.
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * The full GNU General Public License is included in this distribution in
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- * the file called "COPYING".
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- *
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  */
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 #include <linux/kernel.h>
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@@ -51,16 +39,6 @@
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 #define DCA2_TAG_MAP_BYTE2 0x81
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 #define DCA2_TAG_MAP_BYTE3 0x82
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 #define DCA2_TAG_MAP_BYTE4 0x82
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-
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-/* verify if tag map matches expected values */
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-static inline int dca2_tag_map_valid(u8 *tag_map)
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-{
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-	return ((tag_map[0] == DCA2_TAG_MAP_BYTE0) &&
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-		(tag_map[1] == DCA2_TAG_MAP_BYTE1) &&
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-		(tag_map[2] == DCA2_TAG_MAP_BYTE2) &&
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-		(tag_map[3] == DCA2_TAG_MAP_BYTE3) &&
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-		(tag_map[4] == DCA2_TAG_MAP_BYTE4));
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-}
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 /*
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  * "Legacy" DCA systems do not implement the DCA register set in the
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@@ -114,7 +92,7 @@
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 	int			 max_requesters;
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 	int			 requester_count;
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 	u8			 tag_map[IOAT_TAG_MAP_LEN];
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-	struct ioat_dca_slot 	 req_slots[0];
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+	struct ioat_dca_slot	 req_slots[];
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 };
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 static int ioat_dca_dev_managed(struct dca_provider *dca,
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@@ -298,8 +276,7 @@
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 		return NULL;
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 	dca = alloc_dca_provider(&ioat_dca_ops,
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-				 sizeof(*ioatdca)
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-				      + (sizeof(struct ioat_dca_slot) * slots));
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+				 struct_size(ioatdca, req_slots, slots));
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 	if (!dca)
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 		return NULL;
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