From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Cotte-Barrot Date: Thu, 17 Oct 2002 07:45:48 +0000 Subject: Re: [Linux-ia64] Some Modules fail w/ unresolved cpu_info__per_cpu Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org "Lee, Jung-Ik" wrote: > > On 2.5.39, > it fails to insmod some modules that refers to "cpu_info__per_cpu". > That global IS DEFINE_PER_CPU'd, DECLARE_PER_CPU'd and is in System.map but > for some reason it fails to resolve. > Have you guys seen this ? > > thanks > J.I. > Yes I have seen something similar with the ipmi driver ("imb") on Tiger but with the 2.5.35 release. I found that the exported symbol name via /proc/ksyms is in fact: cpu_info__per_cpu_R__ver_cpu_info__per_cpu Then I did not ask much more questions to me trying to find the root cause of the problem within the kernel sources and I just added the following trivial modification in the driver's code: #define cpu_info__per_cpu cpu_info__per_cpu_R__ver_cpu_info__per_cpu With this workaround insmod didn't complain anymore about "cpu_info__per_cpu" and the driver works correctly. But I am agree it is just a workaround and we shouldn't have to modify drivers's code for such problem. > -----Original Message----- > From: Luck, Tony [mailto:tony.luck@intel.com] > Sent: Wednesday, October 16, 2002 10:56 AM > To: Luck, Tony; linux ia64 kernel list > Cc: linux-kernel@vger.kernel.org > Subject: RE: [Linux-ia64] [patch 2.5.39] allow kernel to be virtually > mapp ed from any physi cal address > > Yesterday I wrote: > > This patch provides just the code needed to virtually map the > > kernel to a fixed virtual address from whatever physical address > > it happened to be loaded at (it is assumed that the bootloader > > handled the issue of finding a suitably aligned piece of memory). > > Elilo already knows how to find memory, as long as you either use > the "relocatable" keyword in elilo.conf, or the "-r" command-line > option to let it know that it is OK to relocate. > > Using this elilo option means that the changes I provided for > vmlinux.ld.S can be very slightly simplified, it isn't necessary > to define BASE_KVADDR as "KERNEL_START + KERNEL_TR_PAGE_SIZE", you > can just use: > > #define BASE_KVADDR KERNEL_START > > -Tony > > _______________________________________________ > Linux-IA64 mailing list > Linux-IA64@linuxia64.org > http://lists.linuxia64.org/lists/listinfo/linux-ia64 > > _______________________________________________ > Linux-IA64 mailing list > Linux-IA64@linuxia64.org > http://lists.linuxia64.org/lists/listinfo/linux-ia64