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Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1

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From: Robert P. J. Day
Subject: Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1
Date: Friday, October 5, 2007 - 2:03 pm

On Fri, 5 Oct 2007, Andrew Morton wrote:


or you could take advantage of the macros in kernel.h and write that
as:

+#define DMA_BIT_MASK(n)      (((n) == 64) ? ULLONG_MAX : ((1ULL<<(n))-1))

rday
-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://crashcourse.ca
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Messages in current thread:
[PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Borislav Petkov, (Tue Sep 18, 12:46 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Satyam Sharma, (Wed Sep 19, 8:03 am)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Andrew Morton, (Fri Oct 5, 12:47 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Jeremy Fitzhardinge, (Fri Oct 5, 1:43 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Andrew Morton, (Fri Oct 5, 2:00 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Robert P. J. Day, (Fri Oct 5, 2:03 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Jeremy Fitzhardinge, (Fri Oct 5, 2:23 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Andreas Schwab, (Fri Oct 5, 2:24 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Jeremy Fitzhardinge, (Fri Oct 5, 2:28 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Andrew Morton, (Fri Oct 5, 3:24 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Jeremy Fitzhardinge, (Fri Oct 5, 3:32 pm)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Borislav Petkov, (Sat Oct 6, 12:54 am)
Re: [PATCH 1/1] unify DMA_..BIT_MASK definitions: v3.1, Borislav Petkov, (Sat Oct 6, 1:37 am)