From: James Smart <james.smart@broadcom•com>
To: Randy Dunlap <rdunlap@infradead•org>,
Stephen Rothwell <sfr@canb•auug.org.au>,
Linux Next Mailing List <linux-next@vger•kernel.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger•kernel.org>,
linux-scsi <linux-scsi@vger•kernel.org>,
dick kennedy <dick.kennedy@broadcom•com>
Subject: Re: linux-next: Tree for Jul 7 (scsi/lpfc/lpfc_init.c)
Date: Tue, 7 Jul 2020 11:12:00 -0700 [thread overview]
Message-ID: <7ae1c7e3-ce8d-836b-1ae7-d4d00bd8f95c@broadcom.com> (raw)
In-Reply-To: <2f85f3c4-a58b-f225-a533-86e209a4651c@infradead.org>
On 7/7/2020 10:09 AM, Randy Dunlap wrote:
> On 7/7/20 1:08 AM, Stephen Rothwell wrote:
>> Hi all,
>>
>> Changes since 20200706:
>>
> on i386:
>
> when CONFIG_ACPI is not set/enabled:
>
>
> ../drivers/scsi/lpfc/lpfc_init.c:1265:15: error: implicit declaration of function 'get_cpu_idle_time'; did you mean 'get_cpu_device'? [-Werror=implicit-function-declaration]
>
>
> The cpufreq people want justification for using
> get_cpu_idle_time(). Please see
> https://lore.kernel.org/linux-scsi/20200707030943.xkocccy6qy2c3hrx@vireshk-i7/
>
>
>
The driver is using cpu utilization in order to choose between softirq
or work queues in handling an interrupt. Less-utilized, softirq is used.
higher utilized, work queue is used. The utilization is checked
periodically via a heartbeat.
-- james
next prev parent reply other threads:[~2020-07-07 18:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-07 8:08 linux-next: Tree for Jul 7 Stephen Rothwell
2020-07-07 17:09 ` linux-next: Tree for Jul 7 (scsi/lpfc/lpfc_init.c) Randy Dunlap
2020-07-07 18:12 ` James Smart [this message]
2020-07-08 2:46 ` Viresh Kumar
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