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From: Matthew Wilcox <matthew@wil.cx>
To: Joel Soete <soete.joel@tiscali.be>
Cc: parisc-linux@lists.parisc-linux.org
Subject: Re: *lcul and memory granularity question[Was: [parisc-linux] 2.6.10-rc1-pa11 profile data]
Date: Fri, 3 Dec 2004 15:13:27 +0000	[thread overview]
Message-ID: <20041203151327.GG29370@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <41B07F91.9000000@tiscali.be>

On Fri, Dec 03, 2004 at 03:00:33PM +0000, Joel Soete wrote:
> >- *lclu* can be rewritten to do better than 1-byte at a time
> 
> I have an additional question about parisc alignment and this remark:
> a char type var is 1byte align; ... but what's about a 3, 5, 7 and more 
> bytes struct size?

Don't think in terms of structs, think in terms of an arbitrary array of
bytes.  You can't assume anything about the alignment of lclu or the size.
In particular, you can't write more than the requested number of bytes.

-- 
"Next the statesmen will invent cheap lies, putting the blame upon 
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince 
himself that the war is just, and will thank God for the better sleep 
he enjoys after this process of grotesque self-deception." -- Mark Twain
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  reply	other threads:[~2004-12-03 15:13 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-11  7:54 [parisc-linux] 2.6.10-rc1-pa11 profile data Grant Grundler
2004-11-11  8:11 ` Randolph Chung
2004-11-11 17:39   ` Carlos O'Donell
2004-11-11 17:42     ` Randolph Chung
2004-11-11 17:50       ` Matthew Wilcox
2004-11-11 17:59         ` Randolph Chung
2004-11-11 18:36           ` Grant Grundler
2004-11-11 18:23   ` Joel Soete
2004-11-11 18:51     ` Randolph Chung
2004-11-26 16:59   ` flush_kernel_[di]cache_page question? [WAS: " Joel Soete
2004-11-26 17:13     ` Randolph Chung
2004-11-26 19:02     ` Grant Grundler
2004-11-28 21:01   ` [id]cache meaning? [Was: [parisc-linux] 2.6.10-rc1-pa11 profile data] Joel Soete
2004-11-28 21:13     ` Matthew Wilcox
2004-11-29  1:14       ` Michael S. Zick
2004-11-29  2:00         ` Matthew Wilcox
2004-12-01 17:44   ` More questions " Joel Soete
2004-12-01 17:56     ` Matthew Wilcox
2004-12-01 18:33       ` Joel Soete
2004-12-03 10:24     ` Joel Soete
2004-12-03 15:41       ` Randolph Chung
2004-12-07 14:42         ` Joel Soete
2004-12-03 15:00   ` *lcul and memory granularity question[Was: " Joel Soete
2004-12-03 15:13     ` Matthew Wilcox [this message]
2004-11-12  5:29 ` [parisc-linux] 2.6.10-rc1-pa11 profile data Grant Grundler

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