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>>-----Original Message----- >>From: Greg KH [mailto:greg@kroah.com] >>Sent: 2005年12月27日 13:35 >>To: Zhang, Yanmin >>Cc: Yanmin Zhang; linux-kernel@vger.kernel.org; discuss@x86-64.org; linux-ia64@vger.kernel.org; Siddha, Suresh B; Shah, Rajesh; >>Pallipadi, Venkatesh >>Subject: Re: [PATCH v2:3/3]Export cpu topology by sysfs >> >>> Sorry. My previous explanation is confusing. It's a link warning on >>> ia64. On ia64, the kernel vmlinux doesn't include section .exit.text, >>> so ld will report a link warning when a function is in section >>> .exit.text and another function (not in .exit.text) calls the first >>> one. When CONFIG_HOTPLUG_CPU=n, function topology_remove_dev is in >>> section .exit.text, but its caller topology_remove_dev is not in >>> .exit.text. >>> >>> i386 and x86_64 kernel vmlinux does include .exit.text and discard it >>> only when running, so there is no such warning on i386/x86_64. >>> >>> There is no other better approach to get rid of the warning unless we >>> change arch/ia64/kernel/vmlinux.lds.S to keep all .exit.text in kernel >>> image. >> >>Or just move that function to not be __exit, as you are calling it from >>an __init function. That would be the best solution. I will change topology_remove_dev's attribute from __cpuexit to __cpuinit, and the problem will be resolved thoroughly. Thanks. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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