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Date: Mon, 4 Dec 2023 05:58:09 +0000
From: Wei Liu <wei.liu@kernel.org>
To: Yury Norov <yury.norov@gmail.com>
Cc: linux-kernel@vger.kernel.org, "K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
	Lorenzo Pieralisi <lpieralisi@kernel.org>,
	Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= <kw@linux.com>,
	Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>,
	linux-hyperv@vger.kernel.org, linux-pci@vger.kernel.org,
	Jan Kara <jack@suse.cz>,
	Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>,
	Matthew Wilcox <willy@infradead.org>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>,
	Alexey Klimov <klimov.linux@gmail.com>,
	Bart Van Assche <bvanassche@acm.org>,
	Sergey Shtylyov <s.shtylyov@omp.ru>,
	Michael Kelley <mhklinux@outlook.com>
Subject: Re: [PATCH v2 14/35] PCI: hv: switch hv_get_dom_num() to use atomic
 find_bit()
Message-ID: <ZW1qcVWfjCvz0JRZ@liuwe-devbox-debian-v2>
References: <20231203192422.539300-1-yury.norov@gmail.com>
 <20231203193307.542794-1-yury.norov@gmail.com>
 <20231203193307.542794-13-yury.norov@gmail.com>
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In-Reply-To: <20231203193307.542794-13-yury.norov@gmail.com>

On Sun, Dec 03, 2023 at 11:32:46AM -0800, Yury Norov wrote:
> The function traverses bitmap with for_each_clear_bit() just to allocate
> a bit atomically. We can do it better with a dedicated find_and_set_bit().
> 
> Signed-off-by: Yury Norov <yury.norov@gmail.com>
> Reviewed-by: Michael Kelley <mhklinux@outlook.com>

Acked-by: Wei Liu <wei.liu@kernel.org>