From: David Ahern <david.ahern-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
To: Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] IB/core: Fix unaligned accesses
Date: Wed, 29 Apr 2015 16:34:25 -0600 [thread overview]
Message-ID: <55415C71.8010604@oracle.com> (raw)
In-Reply-To: <20150429221537.GB31415-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
On 4/29/15 4:15 PM, Jason Gunthorpe wrote:
> Read carefully:
>
>>> > >You'd change the loop stride to by u32 as well.
> which means this:
>
> static void cm_mask_copy(u32 *dst, const u32 *src, const u32 *mask)
> {
> int i;
>
> for (i = 0; i < IB_CM_COMPARE_SIZE; i++)
> dst[i] = src[i] & mask[i];
> }
>
> Divide IB_CM_COMPARE_SIZE by 4, adjust all users.
>
> Make other related type changes the compiler tells you about.
>
> Do not add casts.
got it. that was a lot clearer.
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prev parent reply other threads:[~2015-04-29 22:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-29 20:56 [PATCH] IB/core: Fix unaligned accesses David Ahern
[not found] ` <1430340983-12538-1-git-send-email-david.ahern-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2015-04-29 21:18 ` Jason Gunthorpe
[not found] ` <20150429211822.GA25951-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-04-29 21:24 ` David Ahern
[not found] ` <55414C03.40902-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2015-04-29 21:30 ` Jason Gunthorpe
[not found] ` <20150429213042.GA28812-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-04-29 21:38 ` David Ahern
[not found] ` <55414F4E.5020209-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2015-04-29 21:51 ` Jason Gunthorpe
[not found] ` <20150429215123.GA29809-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-04-29 21:59 ` David Ahern
[not found] ` <55415438.1040205-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2015-04-29 22:15 ` Jason Gunthorpe
[not found] ` <20150429221537.GB31415-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-04-29 22:34 ` David Ahern [this message]
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