From mboxrd@z Thu Jan 1 00:00:00 1970 From: Zhang Rui Subject: Re: [PATCH] ACPI: use bitmap helper for masked GPEs Date: Fri, 26 Jan 2018 23:02:05 +0800 Message-ID: <1516978925.2752.0.camel@intel.com> References: <1516860867-6391-1-git-send-email-rui.zhang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Return-path: Received: from mga03.intel.com ([134.134.136.65]:15585 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753371AbeAZPCL (ORCPT ); Fri, 26 Jan 2018 10:02:11 -0500 In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: "Rafael J. Wysocki" Cc: "Rafael J. Wysocki" , ACPI Devel Maling List , pmenzel+bugzilla.kernel.org@molgen.mpg.de On Thu, 2018-01-25 at 17:31 +0100, Rafael J. Wysocki wrote: > On Thu, Jan 25, 2018 at 7:14 AM, Zhang Rui > wrote: > > > > "acpi_mask_gpe=" kernel parameter is introduced to mask one or more > > GPEs > > at boot stage, to prevent GPE flooding. > > > > Currently, a maximum of 128 GPEs (from GPE 0x00 to GPE 0x7f) are > > allowed > > to be masked by this kernel parameter, but only one u64 variant is > > used > > as the bitmap for the masked GPEs in kernel. > > > > This is bogus and makes some GPEs masked unexpected when masking a > > GPE > > larger than 0x40. > Commit 0f27cff8597d (ACPI: sysfs: Make ACPI GPE mask kernel parameter > cover all GPEs) in linux-next should cover this AFAICS. > yes. please drop this one. Thanks. -rui > Thanks, > Rafael > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" > in > the body of a message to majordomo@vger.kernel.org > More majordomo info at  http://vger.kernel.org/majordomo-info.html