[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] target-i386: key sfence availability on CPUID_S
|
From: |
Stefan Weil |
|
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 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.7.0 |
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 <address@hidden>
signature.asc
Description: OpenPGP digital signature