The following commit has been merged into the x86/mm branch of tip: Commit-ID: 291c4011dd7ac0cd0cebb727a75ee5a50d16dcf7 Gitweb: https://git.kernel.org/tip/291c4011dd7ac0cd0cebb727a75ee5a50d16dcf7 Author: Nadav Amit <na...@vmware.com> AuthorDate: Sat, 20 Feb 2021 15:17:10 -08:00 Committer: Ingo Molnar <mi...@kernel.org> CommitterDate: Sat, 06 Mar 2021 12:59:10 +01:00
cpumask: Mark functions as pure cpumask_next_and() and cpumask_any_but() are pure, and marking them as such seems to generate different and presumably better code for native_flush_tlb_multi(). Signed-off-by: Nadav Amit <na...@vmware.com> Signed-off-by: Ingo Molnar <mi...@kernel.org> Reviewed-by: Dave Hansen <dave.han...@linux.intel.com> Link: https://lore.kernel.org/r/20210220231712.2475218-8-na...@vmware.com --- include/linux/cpumask.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index 383684e..c53364c 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -235,7 +235,7 @@ static inline unsigned int cpumask_last(const struct cpumask *srcp) return find_last_bit(cpumask_bits(srcp), nr_cpumask_bits); } -unsigned int cpumask_next(int n, const struct cpumask *srcp); +unsigned int __pure cpumask_next(int n, const struct cpumask *srcp); /** * cpumask_next_zero - get the next unset cpu in a cpumask @@ -252,8 +252,8 @@ static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp) return find_next_zero_bit(cpumask_bits(srcp), nr_cpumask_bits, n+1); } -int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *); -int cpumask_any_but(const struct cpumask *mask, unsigned int cpu); +int __pure cpumask_next_and(int n, const struct cpumask *, const struct cpumask *); +int __pure cpumask_any_but(const struct cpumask *mask, unsigned int cpu); unsigned int cpumask_local_spread(unsigned int i, int node); int cpumask_any_and_distribute(const struct cpumask *src1p, const struct cpumask *src2p);
