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authorH. Peter Anvin <hpa@zytor.com>2009-12-16 02:13:07 +0300
committerH. Peter Anvin <hpa@zytor.com>2009-12-16 02:13:07 +0300
commit0b962d473af32ec334df271b54ff4973cb2b4c73 (patch)
tree33eed0ae5ceebc975b459388ee29045d354c8a3c /arch/x86/include/asm/msr.h
parent54291362d2a5738e1b0495df2abcb9e6b0563a3f (diff)
downloadlinux-0b962d473af32ec334df271b54ff4973cb2b4c73.tar.xz
x86, msr/cpuid: Register enough minors for the MSR and CPUID drivers
register_chrdev() hardcodes registering 256 minors, presumably to avoid breaking old drivers. However, we need to register enough minors so that we have all possible CPUs. checkpatch warns on this patch, but the patch is correct: NR_CPUS here is a static *upper bound* on the *maximum CPU index* (not *number of CPUs!*) and that is what we want. Reported-and-tested-by: Russ Anderson <rja@sgi.com> Cc: Tejun Heo <tj@kernel.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Takashi Iwai <tiwai@suse.de> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com> LKML-Reference: <tip-*@git.kernel.org>
Diffstat (limited to 'arch/x86/include/asm/msr.h')
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