[kernel] bug#44: marked as done (gsc_memset_io() optimization)

Wed, 2 May 2001 14:33:01 -0600 (MDT)

X-PA-RISC Linux-PR-Message: closed 44

Your message dated Wed, 2 May 2001 14:25:50 -0600
with message-id <20010502142550.A6063@zumpano.fc.hp.com>
and subject line Code committed
has caused the attached bug report to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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dann frazier
(administrator, PA-RISC Linux bugs database)

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Date: Fri, 2 Mar 2001 16:56:22 -0800 (PST)
From: Grant Grundler <grundler@cup.hp.com>
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Subject: gsc_memset_io() optimization
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Package: kernel
Version: 20010301
Severity: wishlist

Helge Deller committed a gsc_memset_io() call to clear large blocks
of memory (frame buffer) in IO space. Dino in particular would
perform *alot* better if the routine were using word (32-bit)
size (and aligned) accesses. Dino is able to coalesce these PIO
transactions into one stream on the PCI bus and improve the
PCI bus utilization dramatically.

Helge asked me to submit this change as reminder. :^)

grant

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From: willy@ldl.fc.hp.com (Matthew Wilcox)

I committed memset_io, memcpy_fromio and memcpy_toio functions here:
http://lists.parisc-linux.org/pipermail/parisc-linux-cvs/2001-April/028922.html

there is no need to have gsc_ variants of these calls.