From: Andy Lutomirski <luto@kernel.org>
To: Fenghua Yu <fenghua.yu@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
H Peter Anvin <hpa@zytor.com>, Andy Lutomirski <luto@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
Ashok Raj <ashok.raj@intel.com>, Tony Luck <tony.luck@intel.com>,
Ravi V Shankar <ravi.v.shankar@intel.com>,
linux-kernel <linux-kernel@vger.kernel.org>, x86 <x86@kernel.org>
Subject: Re: [PATCH v5 0/5] x86/umwait: Enable user wait instructions
Date: Thu, 20 Jun 2019 09:25:44 -0700 [thread overview]
Message-ID: <CALCETrVcnccgOtxzEYqjES3qXKMVofmFfOdcY8y3s4knbw7eow@mail.gmail.com> (raw)
In-Reply-To: <1560994438-235698-1-git-send-email-fenghua.yu@intel.com>
On Wed, Jun 19, 2019 at 6:43 PM Fenghua Yu <fenghua.yu@intel.com> wrote:
> The sysfs interface files are in /sys/devices/system/cpu/umwait_control/
This might be a silly question, but: what do we envision as the use
case for changing the C0.2 setting? I'm wondering if we'll ever end
up wanting it as a prctl() instead of a sysfs file.
next prev parent reply other threads:[~2019-06-20 16:25 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-20 1:33 [PATCH v5 0/5] x86/umwait: Enable user wait instructions Fenghua Yu
2019-06-20 1:33 ` [PATCH v5 1/5] x86/cpufeatures: Enumerate " Fenghua Yu
2019-06-24 0:01 ` [tip:x86/cpu] " tip-bot for Fenghua Yu
2019-06-20 1:33 ` [PATCH v5 2/5] x86/umwait: Initialize umwait control values Fenghua Yu
2019-06-23 22:39 ` Thomas Gleixner
2019-06-24 22:12 ` Fenghua Yu
2019-06-24 0:01 ` [tip:x86/cpu] " tip-bot for Fenghua Yu
2019-06-20 1:33 ` [PATCH v5 3/5] x86/umwait: Add sysfs interface to control umwait C0.2 state Fenghua Yu
2019-06-23 22:40 ` Thomas Gleixner
2019-06-24 0:02 ` [tip:x86/cpu] " tip-bot for Fenghua Yu
2019-06-20 1:33 ` [PATCH v5 4/5] x86/umwait: Add sysfs interface to control umwait maximum time Fenghua Yu
2019-06-23 22:40 ` Thomas Gleixner
2019-06-24 0:03 ` [tip:x86/cpu] " tip-bot for Fenghua Yu
2019-06-20 1:33 ` [PATCH v5 5/5] x86/umwait: Document umwait control sysfs interfaces Fenghua Yu
2019-06-23 22:42 ` Thomas Gleixner
2019-06-23 22:46 ` Thomas Gleixner
2019-06-24 0:03 ` [tip:x86/cpu] Documentation/ABI: " tip-bot for Fenghua Yu
2019-06-20 16:25 ` Andy Lutomirski [this message]
2019-06-20 23:28 ` [PATCH v5 0/5] x86/umwait: Enable user wait instructions Fenghua Yu
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