From: Stefan Weil <sw@weilnetz.de>
To: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org
Cc: Richard Henderson <rth@twiddle.net>, qemu-stable@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] target-i386: key sfence availability on CPUID_SSE, not CPUID_SSE2
Date: Mon, 16 May 2016 11:54:50 +0200 [thread overview]
Message-ID: <573998EA.3010006@weilnetz.de> (raw)
In-Reply-To: <1463389979-16348-1-git-send-email-pbonzini@redhat.com>
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Am 16.05.2016 um 11:12 schrieb Paolo Bonzini:
> sfence was introduced before lfence and mfence. This fixes Linux
> 2.4's measurement of checksumming speeds for the pIII_sse
> algorithm:
>
> md: linear personality registered as nr 1
> md: raid0 personality registered as nr 2
> md: raid1 personality registered as nr 3
> md: raid5 personality registered as nr 4
> raid5: measuring checksumming speed
> 8regs : 384.400 MB/sec
> 32regs : 259.200 MB/sec
> invalid operand: 0000
It works now again. Thanks for the fast fix.
I think we'll need a 2.6.1 soon, maybe after solving the VGA regression.
Tested-by: Stefan Weil <sw@weilnetz.de>
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next prev parent reply other threads:[~2016-05-16 9:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-16 9:12 [Qemu-devel] [PATCH] target-i386: key sfence availability on CPUID_SSE, not CPUID_SSE2 Paolo Bonzini
2016-05-16 9:54 ` Stefan Weil [this message]
2016-05-16 15:14 ` Richard Henderson
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