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linux-stable/Documentation/ABI/testing/sysfs-kernel-cpu_byteorder

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kernel/ksysfs.c: export kernel cpu byteorder 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>
2022-11-03 16:24:07 +01:00
What: /sys/kernel/cpu_byteorder
Date: February 2023
KernelVersion: 6.2
Contact: Thomas Weißschuh <linux@weissschuh.net>
Description:
The endianness of the running kernel.
Access: Read
Valid values:
"little", "big"
Users: util-linux
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