From: Randy Dunlap <randy.dunlap@oracle.com>
To: Harry Wei <jiaweiwei.xiyou@gmail.com>
Cc: linux-kernel@vger.kernel.org, ravi@jetztechnologies.com,
arvino55@gmail.com, bluesmoke-devel@lists.sourceforge.net,
greg@kroah.com, akpm@linux-foundation.org
Subject: Re: [PATCH]Remove a warning for drivers/edac/i82975x_edac.c
Date: Mon, 6 Jun 2011 13:36:52 -0700 [thread overview]
Message-ID: <20110606133652.1d146bba.randy.dunlap@oracle.com> (raw)
In-Reply-To: <20110604022151.GA2475@gmail.com>
On Sat, 4 Jun 2011 10:22:21 +0800 Harry Wei wrote:
> From: Harry Wei <harryxiyou@gmail.com>
>
> When i compile 2.6.39.1, a warning shows like below.
> This patch can fix the warning. And i works well with
> my PC.
Hi Harry,
Does "works well with my PC" mean that you boot-tested this patch
or just compile-tested it?
and if you boot-tested it, do you have hardware that actually
exercises this code path?
> [...]
> CC [M] drivers/edac/e752x_edac.o
> CC [M] drivers/edac/i82875p_edac.o
> CC [M] drivers/edac/i82975x_edac.o
> drivers/edac/i82975x_edac.c: In function ���i82975x_process_error_info���:
> drivers/edac/i82975x_edac.c:298: warning: integer constant is too large for ���unsigned long��� type
> CC [M] drivers/edac/i3000_edac.o
> CC [M] drivers/edac/i3200_edac.o
> CC [M] drivers/edac/x38_edac.o
> CC [M] drivers/edac/i82860_edac.o
> [...]
>
> Signed-off-by: Harry Wei <harryxiyou@gmail.com>
>
> Index: prj/drivers/edac/i82975x_edac.c
> ===================================================================
> --- prj.orig/drivers/edac/i82975x_edac.c 2011-06-04 10:09:55.351174516 +0800
> +++ prj/drivers/edac/i82975x_edac.c 2011-06-04 10:10:30.875168437 +0800
> @@ -293,9 +293,9 @@
> info->errsts = info->errsts2;
> }
>
> - page = (unsigned long) info->eap;
> + page = (unsigned long long) info->eap;
but page is still declared as unsigned long. should it be unsigned long long?
> if (info->xeap & 1)
> - page |= 0x100000000ul;
> + page |= 0x100000000ull;
> chan = page & 1;
> page >>= 1;
> offst = page & ((1 << PAGE_SHIFT) - 1);
---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
next prev parent reply other threads:[~2011-06-06 20:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-04 2:22 [PATCH]Remove a warning for drivers/edac/i82975x_edac.c Harry Wei
2011-06-06 20:36 ` Randy Dunlap [this message]
2011-06-07 1:12 ` Harry Wei
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