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Certain files in procfs are formatted in byteorder-dependent formats. For example the IP addresses in /proc/net/udp. When using emulation like qemu-user, applications are not guaranteed to be using the same byteorder as the kernel. Therefore the kernel needs to provide a way for applications to discover the byteorder used in API-filesystems. Using systemcalls is not enough because these are intercepted and translated by the emulation. Also this makes it easier for non-compiled applications like shellscripts to discover the byteorder. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20221103152407.3348-1-linux@weissschuh.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
13 lines
247 B
Plaintext
13 lines
247 B
Plaintext
What: /sys/kernel/cpu_byteorder
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Date: February 2023
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KernelVersion: 6.2
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Contact: Thomas Weißschuh <linux@weissschuh.net>
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Description:
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The endianness of the running kernel.
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Access: Read
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Valid values:
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"little", "big"
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Users: util-linux
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