Re: [RFC PATCH 04/10] pipe: Use head and tail pointers for the ring, not cursor and length [ver #2]

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To: Ilya Dryomov <idryomov@xxxxxxxxx>
Subject: Re: [RFC PATCH 04/10] pipe: Use head and tail pointers for the ring, not cursor and length [ver #2]
From: David Howells <dhowells@xxxxxxxxxx>
Date: Fri, 01 Nov 2019 14:53:21 +0000
Cc: dhowells@xxxxxxxxxx, Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, nicolas.dichtel@xxxxxxxxx, raven@xxxxxxxxxx, Christian Brauner <christian@xxxxxxxxxx>, keyrings@xxxxxxxxxxxxxxx, linux-usb@xxxxxxxxxxxxxxx, linux-block <linux-block@xxxxxxxxxxxxxxx>, linux-security-module@xxxxxxxxxxxxxxx, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, linux-api@xxxxxxxxxxxxxxx, LKML <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <CAOi1vP9GAmy5NXJisrDssspoRcc+UHum+cyBsJTMNTjz_jieoQ@mail.gmail.com>
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Ilya Dryomov <idryomov@xxxxxxxxx> wrote:

> >  * This means there isn't a dead spot in the buffer, but the ring
> >  * size has to be a power of two and <= 2^31.

I'll go with that, thanks.

David

References:
- Re: [RFC PATCH 04/10] pipe: Use head and tail pointers for the ring, not cursor and length [ver #2]
  - From: Ilya Dryomov
- [RFC PATCH 00/10] pipe: Notification queue preparation [ver #2]
  - From: David Howells
- [RFC PATCH 04/10] pipe: Use head and tail pointers for the ring, not cursor and length [ver #2]
  - From: David Howells
- Re: [RFC PATCH 04/10] pipe: Use head and tail pointers for the ring, not cursor and length [ver #2]
  - From: Ilya Dryomov
- Re: [RFC PATCH 04/10] pipe: Use head and tail pointers for the ring, not cursor and length [ver #2]
  - From: Rasmus Villemoes
- Re: [RFC PATCH 04/10] pipe: Use head and tail pointers for the ring, not cursor and length [ver #2]
  - From: David Howells

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