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Sender: Alexander Motin <mavbsd@gmail.com>
Subject: Re: git: 74f80bc1af2f - main - coretemp(4): Switch to
 smp_rendezvous_cpus().
To: Konstantin Belousov <kostikbel@gmail.com>
Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org,
 dev-commits-src-main@freebsd.org
References: <202107300326.16U3QGHR070204@gitrepo.freebsd.org>
 <YQVGn7VhKstcGndr@kib.kiev.ua>
From: Alexander Motin <mav@FreeBSD.org>
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On 31.07.2021 08:48, Konstantin Belousov wrote:
>> +static void
>> +coretemp_wrmsr(void *arg)
>> +{
>> +	struct coretemp_args *args = arg;
>> +
>> +	wrmsr(args->msr, args->val);
>> +}
> We have x86_msr_op().  It covers coretemp_wrmsr(), and with slight
> change of the interface would also handle the functionality of
> coretemp_rdmsr().

As I see x86_msr_op() is tuned for MSR modification on all CPUs, while
this code touches one CPU at a time.

-- 
Alexander Motin