Re: [PATCH] lib/raid6: Add AVX2 optimized recovery functions
From: "H. Peter Anvin" <hpa@zytor.com>
Date: 2012-11-29 22:28:27
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On 11/29/2012 01:18 PM, Andi Kleen wrote:
Can you quote it from the manual? As I understand volatile as usual is not clearly defined. gcc has a lot of optimization passes and volatile bugs are common.
I talked it over with H.J. and we walked through the code. The documentation is lacking, of course, as is common with gcc. However, that piece was pretty clear. -hpa