From: Dave Hansen <dave.hansen@intel.com>
To: Linus Walleij <linus.walleij@linaro.org>,
"tarumizu.kohei@fujitsu.com" <tarumizu.kohei@fujitsu.com>
Cc: "rafael@kernel.org" <rafael@kernel.org>,
"peterz@infradead.org" <peterz@infradead.org>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
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Subject: Re: [PATCH v5 0/6] Add hardware prefetch control driver for A64FX and x86
Date: Tue, 28 Jun 2022 08:46:14 -0700 [thread overview]
Message-ID: <086370dd-281f-5ac6-3a0f-f1b80500c668@intel.com> (raw)
In-Reply-To: <CACRpkdaV8+06gzxi3ou4+nxa28R5Rhzg+KJ8HWh4gyK4AkoC9g@mail.gmail.com>
On 6/27/22 02:36, Linus Walleij wrote:
> The right way to solve this is to make the Linux kernel contain the
> necessary heuristics to identify which tasks and thus cores need this
> to improve efficiency and then apply it automatically.
I agree in theory. But, I also want a pony in theory.
Any suggestions for how to do this in the real world?
Otherwise, I'm inclined to say that this series incrementally makes
things better in the real world by at least moving folks away from wrmsr(1).
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next prev parent reply other threads:[~2022-06-28 15:48 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-07 12:05 [PATCH v5 0/6] Add hardware prefetch control driver for A64FX and x86 Kohei Tarumizu
2022-06-07 12:05 ` [PATCH v5 1/6] soc: fujitsu: Add hardware prefetch control driver for A64FX Kohei Tarumizu
2022-06-10 13:20 ` Greg KH
2022-06-07 12:05 ` [PATCH v5 2/6] soc: fujitsu: Add Kconfig/Makefile to build hardware prefetch control driver Kohei Tarumizu
2022-06-07 14:40 ` Randy Dunlap
2022-06-07 12:05 ` [PATCH v5 3/6] arm64: Create cache sysfs directory without ACPI PPTT for hardware prefetch control Kohei Tarumizu
2022-06-07 12:05 ` [PATCH v5 4/6] x86: Add hardware prefetch control driver for x86 Kohei Tarumizu
2022-06-07 12:05 ` [PATCH v5 5/6] x86: Add Kconfig/Makefile to build hardware prefetch control driver Kohei Tarumizu
2022-06-07 14:40 ` Randy Dunlap
2022-06-08 6:11 ` tarumizu.kohei
2022-06-07 12:05 ` [PATCH v5 6/6] docs: ABI: Add sysfs documentation interface of " Kohei Tarumizu
2022-06-10 13:07 ` [PATCH v5 0/6] Add hardware prefetch control driver for A64FX and x86 Greg KH
2022-06-14 11:55 ` tarumizu.kohei
2022-06-14 12:34 ` 'Greg KH'
2022-06-17 9:20 ` tarumizu.kohei
2022-06-27 9:36 ` Linus Walleij
2022-06-28 13:55 ` tarumizu.kohei
2022-06-28 16:39 ` Luck, Tony
2022-06-30 5:24 ` tarumizu.kohei
2022-06-28 15:46 ` Dave Hansen [this message]
2022-06-28 20:20 ` Linus Walleij
2022-06-28 21:01 ` Dave Hansen
2022-06-28 21:17 ` Linus Walleij
2022-06-30 9:43 ` tarumizu.kohei
2022-06-10 13:48 ` Linus Walleij
2022-06-17 9:06 ` tarumizu.kohei
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