From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x224Ihyo89lm5m7JAtzoX3BzTmZFdvgn9b6SxUXlTnWkkcmIFDnBqlFEgSdFPQd9cxX3srFDF ARC-Seal: i=1; a=rsa-sha256; t=1519218435; cv=none; d=google.com; s=arc-20160816; b=x88dszvaqFl3auKTv28K1w7/8s1vwH+AQBzMYoxY0QwUOoamypPOUBoCekEqi6uKmJ amD5EY1vbpR4cEs7daWZY8Z3XGRu0GRFuTYp3YGx0NcFkgl/MskPyI6ESEJ3sNYbAOxB YNBUeCV8NcuxB2K/cfyNXoyZzrmI9MpVMaK1WDiaIMvZWgjLT5gh7aCAty8Moq05lROl 6gUYn78GB1WnGCym/dNPg/8aymoFZvdvo/nF/ksEFLtISj+dh7Mxh6rV+RV6DujaESWu AAr7In3cQy5ANDNbCNsN0pQisyJrAQ4XbwNv23LIdvSk4MAhlobsRWklwwszh8TgKSfm 5o9A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=X5+jZ8ux7VwneS6nifT0nnUT5nyYBIzAgyMQ7357i/U=; b=MT9Y9CdcvKcTFSOjMms0R4UbweLUuUu8XNP3ackL9T8haWPOQqADAZGvY9n4Wov5pK bkzY84B8cOzON7FXPBHky0MJ4nTlDzsYzMfwuzbphLlrEm1GOOknIjJIOEWgwjlToz56 y0MlHSkxA7h8KxSvJQnvfssm5NitnrTmvURmwWIunIxGRLGtJHECNk1qB9oaP6NK7Dhr bHDaa5wSMIoNLSH4796uDS+F1H+MqTj/vVG3+uMM+VJqFW65Xu4flMyUKs+sB+U9oDUR kjaiMFoLpHyvkjHbnP35VBBJFXHbkFrK2O9UMNh7yvVurTaK3M2yDZ2+Yy54OrMxLLN5 oNAA== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , "Rafael J. Wysocki" Subject: [PATCH 4.15 038/163] x86: PM: Make APM idle driver initialize polling state Date: Wed, 21 Feb 2018 13:47:47 +0100 Message-Id: <20180221124532.431052908@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180221124529.931834518@linuxfoundation.org> References: <20180221124529.931834518@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1593015610134726356?= X-GMAIL-MSGID: =?utf-8?q?1593015990564532632?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Rafael J. Wysocki commit f859422075165e32c00c8d75d63f300015cc07ae upstream. Update the APM driver overlooked by commit 1b39e3f813b4 (cpuidle: Make drivers initialize polling state) to initialize the polling state like the other cpuidle drivers modified by that commit to prevent cpuidle from crashing. Fixes: 1b39e3f813b4 (cpuidle: Make drivers initialize polling state) Reported-by: Ville Syrjälä Tested-by: Ville Syrjälä Cc: 4.14+ # 4.14+ Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- arch/x86/kernel/apm_32.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -2389,6 +2389,7 @@ static int __init apm_init(void) if (HZ != 100) idle_period = (idle_period * HZ) / 100; if (idle_threshold < 100) { + cpuidle_poll_state_init(&apm_idle_driver); if (!cpuidle_register_driver(&apm_idle_driver)) if (cpuidle_register_device(&apm_cpuidle_device)) cpuidle_unregister_driver(&apm_idle_driver);