enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/arch/arm64/lib/copy_page.S
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@@ -1,17 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (C) 2012 ARM Ltd.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * 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,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #include <linux/linkage.h>
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@@ -28,7 +17,7 @@
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  *	x0 - dest
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  *	x1 - src
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  */
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-ENTRY(copy_page)
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+SYM_FUNC_START_PI(copy_page)
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 alternative_if ARM64_HAS_NO_HW_PREFETCH
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 	// Prefetch three cache lines ahead.
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 	prfm	pldl1strm, [x1, #128]
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@@ -86,4 +75,5 @@
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 	stnp	x16, x17, [x0, #112 - 256]
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 	ret
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-ENDPROC(copy_page)
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+SYM_FUNC_END_PI(copy_page)
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+EXPORT_SYMBOL(copy_page)