From: Greg KH <gregkh@linuxfoundation.org>
To: Kohei Tarumizu <tarumizu.kohei@fujitsu.com>
Cc: rafael@kernel.org, peterz@infradead.org, catalin.marinas@arm.com,
linus.walleij@linaro.org, dave.hansen@linux.intel.com,
conor.dooley@microchip.com, hpa@zytor.com, will@kernel.org,
mchehab+huawei@kernel.org, x86@kernel.org, mingo@redhat.com,
eugenis@google.com, arnd@arndb.de, bp@alien8.de,
tglx@linutronix.de, pcc@google.com,
linux-arm-kernel@lists.infradead.org, marcos@orca.pet,
tony.luck@intel.com, marcan@marcan.st,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 6/8] x86: Add hardware prefetch control support for x86
Date: Wed, 18 May 2022 08:44:48 +0200 [thread overview]
Message-ID: <YoSV4CPBXbNlj0Cq@kroah.com> (raw)
In-Reply-To: <20220518063032.2377351-7-tarumizu.kohei@fujitsu.com>
On Wed, May 18, 2022 at 03:30:30PM +0900, Kohei Tarumizu wrote:
> Adds module init/exit code to create sysfs attributes for x86 with
> "hardware_prefetcher_enable", "ip_prefetcher_enable" and
> "adjacent_cache_line_prefetcher_enable".
>
> This driver works only if a CPU model is mapped to type of register
> specification(e.g. TYPE_L12_BASE) in pfctl_match[].
How will the driver be automatically loaded if this is the case or not?
You can not rely on userspace knowing to load a driver on its own,
please tie into the proper device discovery.
thanks,
greg k-h
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next prev parent reply other threads:[~2022-05-18 6:45 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-18 6:30 [PATCH v4 0/8] Add hardware prefetch control driver for A64FX and x86 Kohei Tarumizu
2022-05-18 6:30 ` [PATCH v4 1/8] drivers: base: Add hardware prefetch control core driver Kohei Tarumizu
2022-05-18 7:09 ` Greg KH
2022-05-18 12:38 ` tarumizu.kohei
2022-05-18 6:30 ` [PATCH v4 2/8] drivers: base: Add Kconfig/Makefile to build " Kohei Tarumizu
2022-05-18 7:04 ` Greg KH
2022-05-20 6:42 ` tarumizu.kohei
2022-05-18 6:30 ` [PATCH v4 3/8] soc: fujitsu: Add hardware prefetch control support for A64FX Kohei Tarumizu
2022-05-18 7:10 ` Greg KH
2022-05-20 7:06 ` tarumizu.kohei
2022-05-18 6:30 ` [PATCH v4 4/8] soc: fujitsu: Add Kconfig/Makefile to build hardware prefetch control driver Kohei Tarumizu
2022-05-18 6:30 ` [PATCH v4 5/8] arm64: Create cache sysfs directory without ACPI PPTT for hardware prefetch control Kohei Tarumizu
2022-05-18 7:09 ` Greg KH
2022-05-20 7:00 ` tarumizu.kohei
2022-05-18 6:30 ` [PATCH v4 6/8] x86: Add hardware prefetch control support for x86 Kohei Tarumizu
2022-05-18 6:43 ` Greg KH
2022-05-20 6:30 ` tarumizu.kohei
2022-05-18 6:44 ` Greg KH [this message]
2022-05-20 6:40 ` tarumizu.kohei
2022-05-18 6:30 ` [PATCH v4 7/8] x86: Add Kconfig/Makefile to build hardware prefetch control driver Kohei Tarumizu
2022-05-18 6:43 ` Greg KH
2022-05-20 6:35 ` tarumizu.kohei
2022-05-18 6:30 ` [PATCH v4 8/8] docs: ABI: Add sysfs documentation interface of " Kohei Tarumizu
2022-05-19 8:29 ` [PATCH v4 0/8] Add hardware prefetch control driver for A64FX and x86 Hector Martin
2022-05-20 8:31 ` tarumizu.kohei
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