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| author | Sander Vanheule <sander@svanheule.net> | 2022-08-09 19:36:34 +0200 |
|---|---|---|
| committer | Yury Norov <yury.norov@gmail.com> | 2022-08-15 20:00:44 +0200 |
| commit | 2248ccd80124e61c2c84a22b22409bab452e1f0c (patch) | |
| tree | b6c88a201ab4132acc8f547f2bfdf445abbf0a5c /kernel/exec_domain.c | |
| parent | cpumask: align signatures of UP implementations (diff) | |
| download | linux-2248ccd80124e61c2c84a22b22409bab452e1f0c.tar.xz linux-2248ccd80124e61c2c84a22b22409bab452e1f0c.zip | |
lib/cpumask: add inline cpumask_next_wrap() for UP
In the uniprocessor case, cpumask_next_wrap() can be simplified, as the
number of valid argument combinations is limited:
- 'start' can only be 0
- 'n' can only be -1 or 0
The only valid CPU that can then be returned, if any, will be the first
one set in the provided 'mask'.
For NR_CPUS == 1, include/linux/cpumask.h now provides an inline
definition of cpumask_next_wrap(), which will conflict with the one
provided by lib/cpumask.c. Make building of lib/cpumask.o again depend
on CONFIG_SMP=y (i.e. NR_CPUS > 1) to avoid the re-definition.
Suggested-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Diffstat (limited to 'kernel/exec_domain.c')
0 files changed, 0 insertions, 0 deletions