From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C49CC5234; Tue, 12 Nov 2024 01:07:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731373665; cv=none; b=bS/c3qRLfKRdd85I8rZu+eWwhyTooD8pRwd26PNRHBmRWYL7QyWa2EZDxEBEFRWgAA9YuSJqp1CKJtpPVbTv11ce98j1OWjo8H7Auv0qgdafDdilSgmdzkRwUL1cflBd1K62Wovk2++/Qr8o0wLWNEcwFm4ESVjzSNG83KVr24A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731373665; c=relaxed/simple; bh=NiT2v4KtxIZJPnmu+e9fr80tgReDlEnejBG+0hbQIRQ=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=VtHT3RHe0xcu8ZV87sOVmXfuP6CZ/PR0ylvsYotlJZ+Vseyph/nKIeK0Wk8C0ffhYesJyWvdrp/Kx1CmXmyVpeMvNxdrBmsJzO3QOS4A4n+mKH8xgrRb/PImwyLUPmJYKNNceQHWYl/lqdAXcPaE3xhy2cHXUPxFK1O907sQIYw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=NQrgGs8c; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=wZsYcMRK; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="NQrgGs8c"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="wZsYcMRK" From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1731373661; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=d5s/m46v24gtVwgvBpriXEpuPGkdMoQKTK4XbSOPcW0=; b=NQrgGs8cbfXP1icrl/Q/tDfZ4FitRa0D40dfkQS46xkpmA8JpxTbKqFUOGxJve0B7CtTaX uMw9rqrv/A3NdUJm9eTMXMaaXRXiO9BDhJbXshSIwSACg5IMFyTqV7yAEKRtv1HJ7EoIS7 Sa3vfadfL+Wn4OoYxYkDcfrkIssTyoNO5RwqHMordzHU+HAwHwwenle38s8iWW69PZdKM/ pw2Mn52nyRFZTMr58zGCMzi4dg6/v1tRWQtLh4Sqnr56FugYEMXBohLxB9KFAxb8fu37h+ /qKEgIH9SjHXWdRssjqsI11zXH40i1Xclbma7ckvqcb9pBwL+CUtZhx7D6RleA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1731373661; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=d5s/m46v24gtVwgvBpriXEpuPGkdMoQKTK4XbSOPcW0=; b=wZsYcMRKaH6IYWLT6361xLxBJTLTZi6Yd3Jr63R1BT0K+f10LZUOCMik2bAsGOl5jkpse4 amiJtHAq0cX7ZnDw== To: Len Brown , peterz@infradead.org, x86@kernel.org Cc: rafael@kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Len Brown , stable@vger.kernel.org Subject: Re: [PATCH backport to 6.10] x86/cpu: Add INTEL_FAM6_LUNARLAKE_M to X86_BUG_MONITOR In-Reply-To: <20241108135206.435793-2-lenb@kernel.org> References: <20241108135206.435793-1-lenb@kernel.org> <20241108135206.435793-2-lenb@kernel.org> Date: Tue, 12 Nov 2024 02:07:27 +0100 Message-ID: <87h68dnttc.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Fri, Nov 08 2024 at 08:49, Len Brown wrote: > From: Len Brown > > Under some conditions, MONITOR wakeups on Lunar Lake processors > can be lost, resulting in significant user-visible delays. > > Add LunarLake to X86_BUG_MONITOR so that wake_up_idle_cpu() > always sends an IPI, avoiding this potential delay. > Update the X86_BUG_MONITOR workaround to handle > the new smp_kick_mwait_play_dead() path. > > Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219364 > > Cc: stable@vger.kernel.org # 6.10 > Signed-off-by: Len Brown > --- > This is a backport of the upstream patch to Linux-6.10 and earlier You either fail to understand or intentionally ignore the process for stable backports, which is in place since more than a decade. Documentation/process/* has plenty of information how that works and you're around long enough to know that already. I don't care about you wasting your time, but I very much care about you wasting my time to deal with pointless emails. I get plenty enough of them every day. Thanks, tglx