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authorMike Travis <travis@sgi.com>2008-03-25 15:06:59 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-19 19:44:58 +0200
commitd18d00f5dbcd1a95811617e9812cf0560bd465ee (patch)
tree2d76e6deaab5af91c0c58c90d5e9383edd88000c /net/802
parent6b6309b4c7f6da467c5d5b7d18fa8cb79730f381 (diff)
x86: oprofile: remove NR_CPUS arrays in arch/x86/oprofile/nmi_int.c
Change the following arrays sized by NR_CPUS to be PERCPU variables: static struct op_msrs cpu_msrs[NR_CPUS]; static unsigned long saved_lvtpc[NR_CPUS]; Also some minor complaints from checkpatch.pl fixed. Based on: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git All changes were transparent except for: static void nmi_shutdown(void) { + struct op_msrs *msrs = &__get_cpu_var(cpu_msrs); nmi_enabled = 0; on_each_cpu(nmi_cpu_shutdown, NULL, 0, 1); unregister_die_notifier(&profile_exceptions_nb); - model->shutdown(cpu_msrs); + model->shutdown(msrs); free_msrs(); } The existing code passed a reference to cpu 0's instance of struct op_msrs to model->shutdown, whilst the other functions are passed a reference to <this cpu's> instance of a struct op_msrs. This seemed to be a bug to me even though as long as cpu 0 and <this cpu> are of the same type it would have the same effect...? Cc: Philippe Elie <phil.el@wanadoo.fr> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/802')
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