Hi,
> and include <linux/const.h> in UAPI headers instead of <linux/kernel.h>.
> commit a85cbe6159ffc973e5702f70a3bd5185f8f3c38d upstream.
> The reason is to avoid indirect <linux/sysinfo.h> include when using
> some network headers: <linux/netlink.h> or others -> <linux/kernel.h>
> -> <linux/sysinfo.h>.
> This indirect include causes on MUSL redefinition of struct sysinfo when
> included both <sys/sysinfo.h> and some of UAPI headers:
> In file included from x86_64-buildroot-linux-musl/sysroot/usr/include/linux/kernel.h:5,
> from x86_64-buildroot-linux-musl/sysroot/usr/include/linux/netlink.h:5,
> from ../include/tst_netlink.h:14,
> from tst_crypto.c:13:
> x86_64-buildroot-linux-musl/sysroot/usr/include/linux/sysinfo.h:8:8: error: redefinition of `struct sysinfo'
> struct sysinfo {
> ^~~~~~~
> In file included from ../include/tst_safe_macros.h:15,
> from ../include/tst_test.h:93,
> from tst_crypto.c:11:
> x86_64-buildroot-linux-musl/sysroot/usr/include/sys/sysinfo.h:10:8: note: originally defined here
> Link: https://lkml.kernel.org/r/20201015190013.8901-1-petr.vorel@xxxxxxxxx
> Signed-off-by: Petr Vorel <petr.vorel@xxxxxxxxx>
> Suggested-by: Rich Felker <dalias@xxxxxxxxxx>
> Acked-by: Rich Felker <dalias@xxxxxxxx>
> Cc: Peter Korsgaard <peter@xxxxxxxxxxxxx>
> Cc: Baruch Siach <baruch@xxxxxxxxxx>
> Cc: Florian Weimer <fweimer@xxxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> ---
> Hi,
> could this fix be backported to stable releases?
> Maybe safer to wait till v5.11 release.
> Adjusted for stable/linux-4.9.y.
I'm sorry, this one is for stable/linux-4.4.y
Kind regards,
Petr
