Re: [PATCH] [16/35] i386: Add an option for the VIA C7 which sets appropriate L1 cache

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From: Dave Jones
Date: Saturday, April 28, 2007 - 11:28 am

On Sat, Apr 28, 2007 at 02:08:58PM -0400, Jeff Garzik wrote:
 > Andi Kleen wrote:
 > > From: Simon Arlott <simon@arlott.org>
 > > 
 > > The VIA C7 is a 686 (with TSC) that supports MMX, SSE and SSE2, it also has
 > > a cache line length of 64 according to
 > > http://www.digit-life.com/articles2/cpu/rmma-via-c7.html.  This patch sets
 > > gcc to -march=686 and select s the correct cache shift.
 > > 
 > > Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
 > > Signed-off-by: Andi Kleen <ak@suse.de>
 > > Cc: Andi Kleen <ak@suse.de>
 > > Cc: Dave Jones <davej@codemonkey.org.uk>
 > > Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
 > > Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
 > 
 > Has it been verified in the field that this CPU supports CMOV?

Yes. All their CPUs for some time now have done so.

	Dave

-- 
http://www.codemonkey.org.uk
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Messages in current thread:
[PATCH] [6/35] x86_64: remove clustered APIC mode, Andi Kleen, (Sat Apr 28, 10:52 am)
[PATCH] [10/35] x86: adjust inclusion of asm/fixmap.h, Andi Kleen, (Sat Apr 28, 10:52 am)
[PATCH] [12/35] x86: consolidate smp_send_stop(), Andi Kleen, (Sat Apr 28, 10:52 am)
[PATCH] [14/35] i386: mtrr range check correction, Andi Kleen, (Sat Apr 28, 10:52 am)
[PATCH] [15/35] i386: pit_latch_buggy has no effect, Andi Kleen, (Sat Apr 28, 10:52 am)
[PATCH] [17/35] i386: probe_roms() cleanup, Andi Kleen, (Sat Apr 28, 10:52 am)
[PATCH] [21/35] x86_64: Some cleanup in time.c, Andi Kleen, (Sat Apr 28, 10:52 am)
[PATCH] [24/35] i386: Add __init to probe_bigsmp, Andi Kleen, (Sat Apr 28, 10:52 am)
[PATCH] [30/35] i386: clean up mach_reboot_fixups, Andi Kleen, (Sat Apr 28, 10:52 am)
[PATCH] [32/35] x86_64: Remove unused set_seg_base, Andi Kleen, (Sat Apr 28, 10:52 am)
Re: [PATCH] [16/35] i386: Add an option for the VIA C7 whi ..., Dave Jones, (Sat Apr 28, 11:28 am)