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author | Vivek Goyal <vgoyal@in.ibm.com> | 2007-01-10 19:52:44 -0500 |
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committer | Andi Kleen <andi@basil.nowhere.org> | 2007-01-10 19:52:44 -0500 |
commit | e96763d6e52c22a8821466e4d01c0c995b8087be (patch) | |
tree | 655f07a67c0d75b738d9721832dbe284b0a4818c /drivers/serial/8250.c | |
parent | 4a5d107a9a79ef3404209a43866554cba451dda4 (diff) |
[PATCH] i386: make apic probe function non-init
o struct genapic contains pointer to probe() function which is of type
__init. Hence MODPOST generates warning if kernel is compiled with
CONFIG_RELOCATABLE=y for i386.
WARNING: vmlinux - Section mismatch: reference to .init.text: from .data between 'apic_summit' (at offset 0xc058b504) and 'apic_bigsmp'
WARNING: vmlinux - Section mismatch: reference to .init.text: from .data between 'apic_bigsmp' (at offset 0xc058b5a4) and 'cpu.4471'
WARNING: vmlinux - Section mismatch: reference to .init.text: from .data between 'apic_es7000' (at offset 0xc058b644) and 'apic_default'
WARNING: vmlinux - Section mismatch: reference to .init.text: from .data between 'apic_default' (at offset 0xc058b6e4) and 'interrupt'
o One of the possible options is to put special case check in MODPOST to
not emit warnings for this case but I think it is not a very good option
in terms of maintenance.
o Another option is to make probe() function non __init. Anyway this function
is really small so not freeing this memory after init is not a big deal.
Secondly, from a programming perspective, probably genapic should not
provide pointers to functions which have been freed as genapic is non
__init and is used even after initialization is complete.
Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Diffstat (limited to 'drivers/serial/8250.c')
0 files changed, 0 insertions, 0 deletions