From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E7D6AC47247 for ; Tue, 5 May 2020 11:14:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA91120735 for ; Tue, 5 May 2020 11:14:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588677263; bh=0K2DpxSvS3/qR26Gr3apwXgTBLAzGZEQ2x9wJfhnTxs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=QnQ4dErZlI+LkWiXBOPekxN579BRoxUdkDlGOss0HSB17vh1HLfetLho2rIQRniCD 5iPQbC1wtzLcHq8sNmi1yawSrbvQSJ0f/8fwLmZJG8amti0XLwaMMPYDhxFmNejNXR MwWdpWVc+z2vUF4tzjZByUivRS6thSlq4Vq0ealw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728837AbgEELOW (ORCPT ); Tue, 5 May 2020 07:14:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:54006 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728624AbgEELOW (ORCPT ); Tue, 5 May 2020 07:14:22 -0400 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F267C206B9; Tue, 5 May 2020 11:14:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588677262; bh=0K2DpxSvS3/qR26Gr3apwXgTBLAzGZEQ2x9wJfhnTxs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PQ0hNzy9lxbvL4cILbgFbeZ/9NRJSCI9Rbt0kC9oprAvlHm2yBVvqjud3RbtPKAtC xZAccWb+uKtskmlWSPhSyWJZ7S/fPiZxJ8SI3C+POiOvAOBDZ82GH9nJeE1fhSJW6+ mHAXafyh7JbkC3s7kT6femZL1bDttkNKfZmtYBmA= Date: Tue, 5 May 2020 12:14:17 +0100 From: Will Deacon To: Anshuman Khandual Cc: linux-arm-kernel@lists.infradead.org, Catalin Marinas , Mark Rutland , Suzuki K Poulose , linux-kernel@vger.kernel.org Subject: Re: [PATCH V3 08/16] arm64/cpufeature: Add remaining feature bits in ID_MMFR4 register Message-ID: <20200505111417.GG19710@willie-the-truck> References: <1588426445-24344-1-git-send-email-anshuman.khandual@arm.com> <1588426445-24344-9-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1588426445-24344-9-git-send-email-anshuman.khandual@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 02, 2020 at 07:03:57PM +0530, Anshuman Khandual wrote: > Enable all remaining feature bits like EVT, CCIDX, LSM, HPDS, CnP, XNX, > SpecSEI in ID_MMFR4 register per ARM DDI 0487F.a. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Mark Rutland > Cc: Suzuki K Poulose > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > > Suggested-by: Mark Rutland > Reviewed-by: Suzuki K Poulose > Signed-off-by: Anshuman Khandual > --- > arch/arm64/include/asm/sysreg.h | 8 ++++++++ > arch/arm64/kernel/cpufeature.c | 13 +++++++++++++ > 2 files changed, 21 insertions(+) > > diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h > index f9e3b9350540..0f34927f52b9 100644 > --- a/arch/arm64/include/asm/sysreg.h > +++ b/arch/arm64/include/asm/sysreg.h > @@ -790,6 +790,14 @@ > #define ID_ISAR6_DP_SHIFT 4 > #define ID_ISAR6_JSCVT_SHIFT 0 > > +#define ID_MMFR4_EVT_SHIFT 28 > +#define ID_MMFR4_CCIDX_SHIFT 24 > +#define ID_MMFR4_LSM_SHIFT 20 > +#define ID_MMFR4_HPDS_SHIFT 16 > +#define ID_MMFR4_CNP_SHIFT 12 > +#define ID_MMFR4_XNX_SHIFT 8 Why didn't you add ID_MMFR4_AC2_SHIFT as well? Will From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17B9FC47247 for ; Tue, 5 May 2020 11:14:26 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DEA402073B for ; Tue, 5 May 2020 11:14:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="htDwfKPc"; 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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jVvWr-0005Xf-J7; Tue, 05 May 2020 11:14:25 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jVvWo-0005Wt-Fe for linux-arm-kernel@lists.infradead.org; Tue, 05 May 2020 11:14:23 +0000 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F267C206B9; Tue, 5 May 2020 11:14:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588677262; bh=0K2DpxSvS3/qR26Gr3apwXgTBLAzGZEQ2x9wJfhnTxs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=PQ0hNzy9lxbvL4cILbgFbeZ/9NRJSCI9Rbt0kC9oprAvlHm2yBVvqjud3RbtPKAtC xZAccWb+uKtskmlWSPhSyWJZ7S/fPiZxJ8SI3C+POiOvAOBDZ82GH9nJeE1fhSJW6+ mHAXafyh7JbkC3s7kT6femZL1bDttkNKfZmtYBmA= Date: Tue, 5 May 2020 12:14:17 +0100 From: Will Deacon To: Anshuman Khandual Subject: Re: [PATCH V3 08/16] arm64/cpufeature: Add remaining feature bits in ID_MMFR4 register Message-ID: <20200505111417.GG19710@willie-the-truck> References: <1588426445-24344-1-git-send-email-anshuman.khandual@arm.com> <1588426445-24344-9-git-send-email-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1588426445-24344-9-git-send-email-anshuman.khandual@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200505_041422_543020_16B7BC19 X-CRM114-Status: GOOD ( 11.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Catalin Marinas , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Suzuki K Poulose Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, May 02, 2020 at 07:03:57PM +0530, Anshuman Khandual wrote: > Enable all remaining feature bits like EVT, CCIDX, LSM, HPDS, CnP, XNX, > SpecSEI in ID_MMFR4 register per ARM DDI 0487F.a. > > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Mark Rutland > Cc: Suzuki K Poulose > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-kernel@vger.kernel.org > > Suggested-by: Mark Rutland > Reviewed-by: Suzuki K Poulose > Signed-off-by: Anshuman Khandual > --- > arch/arm64/include/asm/sysreg.h | 8 ++++++++ > arch/arm64/kernel/cpufeature.c | 13 +++++++++++++ > 2 files changed, 21 insertions(+) > > diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h > index f9e3b9350540..0f34927f52b9 100644 > --- a/arch/arm64/include/asm/sysreg.h > +++ b/arch/arm64/include/asm/sysreg.h > @@ -790,6 +790,14 @@ > #define ID_ISAR6_DP_SHIFT 4 > #define ID_ISAR6_JSCVT_SHIFT 0 > > +#define ID_MMFR4_EVT_SHIFT 28 > +#define ID_MMFR4_CCIDX_SHIFT 24 > +#define ID_MMFR4_LSM_SHIFT 20 > +#define ID_MMFR4_HPDS_SHIFT 16 > +#define ID_MMFR4_CNP_SHIFT 12 > +#define ID_MMFR4_XNX_SHIFT 8 Why didn't you add ID_MMFR4_AC2_SHIFT as well? Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel