linux-kernel - Re: [PATCH 2/5] locking/rwsem: Prevent potential lock starvation

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Message-ID: <9de07371-b479-8e05-c810-6f7a12918919@redhat.com>
Date:   Fri, 20 Nov 2020 12:27:32 -0500
From:   Waiman Long <longman@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        linux-kernel@...r.kernel.org, Davidlohr Bueso <dave@...olabs.net>,
        Phil Auld <pauld@...hat.com>
Subject: Re: [PATCH 2/5] locking/rwsem: Prevent potential lock starvation

On 11/20/20 9:44 AM, Peter Zijlstra wrote:
> On Tue, Nov 17, 2020 at 10:04:26PM -0500, Waiman Long wrote:
>> +	long rcnt = (count >> RWSEM_READER_SHIFT);	/* Reader count */
> I'm thinking you can do without that comment, the variable name is clear
> enough.
>
Sure.

Thanks,
Longman