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From: Ming Lei <ming.lei@redhat.com>
To: Yury Norov <yury.norov@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-kernel@vger.kernel.org,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Breno Leitao <leitao@debian.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Zi Yan <ziy@nvidia.com>
Subject: Re: [PATCH 1/9] cpumask: introduce for_each_cpu_and_from()
Date: Sat, 20 Jan 2024 11:03:37 +0800	[thread overview]
Message-ID: <Zas4CeVG6mlfiUM9@fedora> (raw)
In-Reply-To: <20240120025053.684838-2-yury.norov@gmail.com>

On Fri, Jan 19, 2024 at 06:50:45PM -0800, Yury Norov wrote:
> Similarly to for_each_cpu_and(), introduce a for_each_cpu_and_from(),
> which is handy when it's needed to traverse 2 cpumasks or bitmaps,
> starting from a given position.

The new helper is useless, see

https://lore.kernel.org/lkml/ZZNgDb6bzOscrNmk@fedora/


Thanks,
Ming


  reply	other threads:[~2024-01-20  3:03 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-20  2:50 [PATCH v5 0/9] lib/group_cpus: rework grp_spread_init_one() and make it O(1) Yury Norov
2024-01-20  2:50 ` [PATCH 1/9] cpumask: introduce for_each_cpu_and_from() Yury Norov
2024-01-20  3:03   ` Ming Lei [this message]
2024-01-21 19:50     ` Yury Norov
2024-01-22  2:41       ` Ming Lei
2024-01-20  2:50 ` [PATCH 2/9] lib/group_cpus: optimize inner loop in grp_spread_init_one() Yury Norov
2024-01-20  3:17   ` Ming Lei
2024-01-20  7:03     ` Ming Lei
2024-01-20  2:50 ` [PATCH 3/9] lib/group_cpus: relax atomicity requirement " Yury Norov
2024-01-20  2:50 ` [PATCH 4/9] lib/group_cpus: optimize outer loop " Yury Norov
2024-01-20  3:51   ` Ming Lei
2024-01-20  6:17     ` Ming Lei
2024-01-20  2:50 ` [PATCH 5/9] lib/group_cpus: don't zero cpumasks in group_cpus_evenly() on allocation Yury Norov
2024-01-20  2:50 ` [PATCH 6/9] lib/group_cpus: drop unneeded cpumask_empty() call in __group_cpus_evenly() Yury Norov
2024-01-20  2:50 ` [PATCH 7/9] cpumask: define cleanup function for cpumasks Yury Norov
2024-01-20  2:50 ` [PATCH 8/9] lib/group_cpus: rework group_cpus_evenly() Yury Norov
2024-01-20  2:50 ` [PATCH 9/9] lib/group_cpus: simplify group_cpus_evenly() for more Yury Norov
  -- strict thread matches above, loose matches on Subject: below --
2023-12-28 20:09 [PATCH v4 0/9] lib/group_cpus: rework grp_spread_init_one() and make it O(1) Yury Norov
2023-12-28 20:09 ` [PATCH 1/9] cpumask: introduce for_each_cpu_and_from() Yury Norov

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