From: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
To: Zhang Rui <rui.zhang@intel.com>
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
dave.hansen@linux.intel.com, rafael.j.wysocki@intel.com,
x86@kernel.org, linux-pm@vger.kernel.org, hpa@zytor.com,
peterz@infradead.org, thorsten.blum@toblux.com,
yuntao.wang@linux.dev, tony.luck@intel.com, len.brown@intel.com,
srinivas.pandruvada@intel.com, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH V2] x86/apic: Stop the TSC Deadline timer during lapic timer shutdown
Date: Wed, 9 Oct 2024 09:33:44 -0700 [thread overview]
Message-ID: <20241009163344.GA25814@ranerica-svr.sc.intel.com> (raw)
In-Reply-To: <20241009072001.509508-1-rui.zhang@intel.com>
On Wed, Oct 09, 2024 at 03:20:01PM +0800, Zhang Rui wrote:
> This 12-year-old bug prevents some modern processors from achieving
> maximum power savings during suspend. For example, Lunar Lake systems
Two nits:
> gets 0% package C-states during suspend to idle and this causes energy
> star compliance tests to fail.
s/gets/get/
s/energy start/Energy Star/
next prev parent reply other threads:[~2024-10-09 16:27 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-09 7:20 Zhang Rui
2024-10-09 11:24 ` Rafael J. Wysocki
2024-10-09 16:41 ` Dave Hansen
2024-10-09 17:03 ` Rafael J. Wysocki
2024-10-09 16:33 ` Ricardo Neri [this message]
2024-10-09 17:20 ` Rafael J. Wysocki
2024-10-09 16:49 ` Dave Hansen
2024-10-09 17:19 ` Rafael J. Wysocki
2024-10-09 17:47 ` Dave Hansen
2024-10-09 18:43 ` Rafael J. Wysocki
2024-10-11 0:43 ` Dave Hansen
2024-10-11 2:04 ` Zhang, Rui
2024-10-11 10:25 ` Rafael J. Wysocki
2024-10-11 14:51 ` Pandruvada, Srinivas
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