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SubjectRe: [tip: locking/core] locking/futex/selftests: Remove duplicate ABI defines
On Fri, Oct 06, 2023 at 04:05:31PM +0500, Muhammad Usama Anjum wrote:

> cd /linux_mainline/tools/testing/selftests/../../..

That's very odd way of writing:

cd /linux_mainline/

> make headers

This does a build without O=, I can't do that.

As in, one must not mix O= and non O= builds, and since I have a ton of
O= output dirs on, I simply can't do this.

> make: *** [../../lib.mk:81: kernel_header_files] Error 1
> ➜ functional (06bc8fe4bfc4b) ✗ (cd $mainline && make headers) > /dev/null
> ➜ functional (06bc8fe4bfc4b) ✗ make
> gcc -g -O2 -Wall -D_GNU_SOURCE -pthread -I../include -I../../
> futex_wait_timeout.c -lpthread -lrt -o
> /linux_mainline/tools/testing/selftests/futex/functional/futex_wait_timeout

root@noisy:/usr/src/linux-2.6# cd tools/testing/selftests/futex/functional/
root@noisy:/usr/src/linux-2.6/tools/testing/selftests/futex/functional# make
gcc -g -O2 -Wall -D_GNU_SOURCE -pthread -I../include -I../../ futex_wait_timeout.c -lpthread -lrt -o /mnt/hirez/usr/src/linux-2.6/tools/testing/selftests/futex/functional/futex_wait_timeout
In file included from futex_wait_timeout.c:20:
../include/futex2test.h:18:47: warning: ‘struct futex_waitv’ declared inside parameter list will not be visible outside of this definition or declaration
18 | static inline int futex_waitv(volatile struct futex_waitv *waiters, unsigned long nr_waiters,


Because noisy runs a really old userspace (buster)..



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