enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/lib/xz/Kconfig
..
..
@@ -1,10 +1,11 @@
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+# SPDX-License-Identifier: GPL-2.0-only
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 config XZ_DEC
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 	tristate "XZ decompression support"
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 	select CRC32
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 	help
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 	  LZMA2 compression algorithm and BCJ filters are supported using
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 	  the .xz file format as the container. For integrity checking,
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-	  CRC32 is supported. See Documentation/xz.txt for more information.
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+	  CRC32 is supported. See Documentation/staging/xz.rst for more information.
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 if XZ_DEC
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