From: Peter Zijlstra <peterz@infradead.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
x86 Maintainers <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux PM <linux-pm@vger.kernel.org>, Len Brown <lenb@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@suse.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
Artem Bityutskiy <artem.bityutskiy@linux.intel.com>,
"Gautham R. Shenoy" <gautham.shenoy@amd.com>,
Ingo Molnar <mingo@redhat.com>,
Todd Brandt <todd.e.brandt@linux.intel.com>
Subject: Re: [PATCH v1 0/2] x86/smp: Fix power regression introduced by commit 96040f7273e2
Date: Thu, 29 May 2025 10:53:58 +0200 [thread overview]
Message-ID: <20250529085358.GY24938@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <CAJZ5v0jzF19rToJMHhEvU6Zbt3690KWCs-B_0sPR=s9xeRiUnQ@mail.gmail.com>
On Wed, May 28, 2025 at 07:09:21PM +0200, Rafael J. Wysocki wrote:
> And I object to leaving a user-visible regression behind.
So we go fix it differently.
Why can't we initialize cpuidle before SMP bringup?
next prev parent reply other threads:[~2025-05-29 8:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-28 12:53 [PATCH v1 0/2] x86/smp: Fix power regression introduced by commit 96040f7273e2 Rafael J. Wysocki
2025-05-28 12:53 ` [PATCH v1 1/2] Revert "x86/smp: Eliminate mwait_play_dead_cpuid_hint()" Rafael J. Wysocki
2025-05-28 12:54 ` [PATCH v1 2/2] x86/smp: Prefer cpuidle_play_dead() to mwait_play_dead_cpuid_hint() Rafael J. Wysocki
2025-05-28 13:17 ` [PATCH v1 0/2] x86/smp: Fix power regression introduced by commit 96040f7273e2 Peter Zijlstra
2025-05-28 13:20 ` Rafael J. Wysocki
2025-05-28 13:38 ` Peter Zijlstra
2025-05-28 14:25 ` Rafael J. Wysocki
2025-05-28 16:05 ` Peter Zijlstra
2025-05-28 17:09 ` Rafael J. Wysocki
2025-05-29 8:53 ` Peter Zijlstra [this message]
2025-05-29 9:38 ` Rafael J. Wysocki
2025-05-30 8:07 ` Peter Zijlstra
2025-05-30 9:18 ` Rafael J. Wysocki
2025-05-30 9:27 ` Rafael J. Wysocki
2025-05-30 16:59 ` Rafael J. Wysocki
2025-05-30 17:55 ` Rafael J. Wysocki
2025-05-29 13:40 ` [PATCH v2] Revert "x86/smp: Eliminate mwait_play_dead_cpuid_hint()" Rafael J. Wysocki
2025-05-29 14:25 ` Dave Hansen
2025-05-29 15:39 ` Rafael J. Wysocki
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