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=-11.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT 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 8AD9EC4338F for ; Thu, 29 Jul 2021 02:07:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 686396056C for ; Thu, 29 Jul 2021 02:07:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233407AbhG2CH2 (ORCPT ); Wed, 28 Jul 2021 22:07:28 -0400 Received: from mailgw01.mediatek.com ([60.244.123.138]:56782 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S233162AbhG2CH1 (ORCPT ); Wed, 28 Jul 2021 22:07:27 -0400 X-UUID: 6906614404ac48b2a75628a8be705c06-20210729 X-UUID: 6906614404ac48b2a75628a8be705c06-20210729 Received: from mtkcas10.mediatek.inc [(172.21.101.39)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1630291173; Thu, 29 Jul 2021 10:07:22 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 29 Jul 2021 10:07:20 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 29 Jul 2021 10:07:20 +0800 From: To: CC: , , , Yee Lee , Matthias Brugger , "moderated list:ARM/Mediatek SoC support" , "moderated list:ARM/Mediatek SoC support" Subject: [PATCH v2 0/1] Add option to disable mte support Date: Thu, 29 Jul 2021 10:07:11 +0800 Message-ID: <20210729020717.15142-1-yee.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Yee Lee For some case of low-end devices with limited resources, an option to disable mte support is necessary. This patch Adds an alias in id-reg override mechanism to suppress the mte feature via passing a param. === Test === QEMU5.2 + mte passed "arm64.nomte" in cmdline boot log: ..(skip) [ 0.000000] CPU features: SYS_ID_AA64PFR1_EL1[11:8]: forced to 0 Changed since v2: - Use id-reg override machanism to suppress feature. Yee Lee (1): arm64/cpufeature: Add arm64.nomte to override id-reg arch/arm64/kernel/idreg-override.c | 2 ++ 1 file changed, 2 insertions(+) -- 2.18.0 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=-12.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT 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 46E8EC4338F for ; Thu, 29 Jul 2021 02:07:43 +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 068916056C for ; Thu, 29 Jul 2021 02:07:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 068916056C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Q2IWzovjJE5cFCRLTpOieQLdqcabSwH3lUF/JZQNHkM=; b=rKRw8lDukzKhyp JxO6jWvwNSWdo6VAN2e4SRoT8GP2QcTGB4QxO0tjFvGnR0F4bW+/5NS/xVq5Piwt7aldt3I3SSSEj 1P1jEKVQF9bqvw2hUoQcHfbo3cdHNQH7uFtHTTCtmFKe2Eq4H9XwN1XBcishC1QC4F0UHwIY+dzLt AUAMzoe3m1ZEjmAuViH57Yl7FjA2JdtCJScj3YqiTnGRwfsmpQDuxD9IGll9RzSZznUIjl4XQWHoR Osbuvl9W0Ophyf7A7VWOMyEtbxOeOD6V1WCj2Nj+Rkk2J5CgNUPHCjDC7WS2wg8btY7cv0OSPz25X WlYyIb84alambHyfe2AQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8vSL-002rtN-6p; Thu, 29 Jul 2021 02:07:29 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8vSI-002rsR-Go; Thu, 29 Jul 2021 02:07:27 +0000 X-UUID: ab0de2af089e4fe1aceb7d2d90931f81-20210728 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=O2EjKkOYxegpgkqJQBqTMV/YqSo85X66b0oi8ayuUkE=; b=kVlqrVbPizmQxNzNTd3zcZBnSlB9CtyZnR8+/wDcIm0Sy1hF9GWnARKEv96Dc2SBa6oe2mGWZMCt9Hebgwb6Z9B3fuC1cYolHVXgsNJpKzzUE+kM9jF54D2ASH6UF1dXffUwiDoFcH5wSCDw1/gOTLXtOX48C5pL8W64wKgu5DU=; X-UUID: ab0de2af089e4fe1aceb7d2d90931f81-20210728 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2138620765; Wed, 28 Jul 2021 19:07:24 -0700 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 28 Jul 2021 19:07:22 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 29 Jul 2021 10:07:20 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 29 Jul 2021 10:07:20 +0800 From: To: CC: , , , Yee Lee , "Matthias Brugger" , "moderated list:ARM/Mediatek SoC support" , "moderated list:ARM/Mediatek SoC support" Subject: [PATCH v2 0/1] Add option to disable mte support Date: Thu, 29 Jul 2021 10:07:11 +0800 Message-ID: <20210729020717.15142-1-yee.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210728_190726_621887_EE25B462 X-CRM114-Status: UNSURE ( 7.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Yee Lee For some case of low-end devices with limited resources, an option to disable mte support is necessary. This patch Adds an alias in id-reg override mechanism to suppress the mte feature via passing a param. === Test === QEMU5.2 + mte passed "arm64.nomte" in cmdline boot log: ..(skip) [ 0.000000] CPU features: SYS_ID_AA64PFR1_EL1[11:8]: forced to 0 Changed since v2: - Use id-reg override machanism to suppress feature. Yee Lee (1): arm64/cpufeature: Add arm64.nomte to override id-reg arch/arm64/kernel/idreg-override.c | 2 ++ 1 file changed, 2 insertions(+) -- 2.18.0 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-12.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT 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 D1054C432BE for ; Thu, 29 Jul 2021 02:09:23 +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 98DEC6056C for ; Thu, 29 Jul 2021 02:09:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 98DEC6056C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=hBiIAFn91vqCPqJpPJGcXdF2T4aXCYtP+SqBYuPjMnQ=; b=c5TUj8ZkbvPowU kyi4h9I0FNr8yPQ0b9ByLXqVqvZRzOQXmJMaxZk7XHFXpmzp5vV2f+XOlfk+eidnAaB16Pi2C4WgG JHEqV/J6lvHuIZsNPXtUe46jvPG26OlEvVQjPuuFZxd1J9EwFuw86E7Y//b6rcvAL8y/q7Iy9UTxV qEmnO5PuWhLk2XXw61T6ySiSoIPJJ0GFGBRkpEtuAIN5YlhtvIEpe5yye7eP7fOhO1AMZK5KWXwp2 DocMFZ8grWvcQDmAtLNS+nbz9IGRaDHugwf3YikEYLPOuMS67LIaV/SfENDFfxVWVRRTzQg8OItrT QbfbSGUmFG2sep7BqVaQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8vSN-002rtd-6M; Thu, 29 Jul 2021 02:07:31 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m8vSI-002rsR-Go; Thu, 29 Jul 2021 02:07:27 +0000 X-UUID: ab0de2af089e4fe1aceb7d2d90931f81-20210728 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=O2EjKkOYxegpgkqJQBqTMV/YqSo85X66b0oi8ayuUkE=; b=kVlqrVbPizmQxNzNTd3zcZBnSlB9CtyZnR8+/wDcIm0Sy1hF9GWnARKEv96Dc2SBa6oe2mGWZMCt9Hebgwb6Z9B3fuC1cYolHVXgsNJpKzzUE+kM9jF54D2ASH6UF1dXffUwiDoFcH5wSCDw1/gOTLXtOX48C5pL8W64wKgu5DU=; X-UUID: ab0de2af089e4fe1aceb7d2d90931f81-20210728 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2138620765; Wed, 28 Jul 2021 19:07:24 -0700 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 28 Jul 2021 19:07:22 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 29 Jul 2021 10:07:20 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 29 Jul 2021 10:07:20 +0800 From: To: CC: , , , Yee Lee , "Matthias Brugger" , "moderated list:ARM/Mediatek SoC support" , "moderated list:ARM/Mediatek SoC support" Subject: [PATCH v2 0/1] Add option to disable mte support Date: Thu, 29 Jul 2021 10:07:11 +0800 Message-ID: <20210729020717.15142-1-yee.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210728_190726_621887_EE25B462 X-CRM114-Status: UNSURE ( 7.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Yee Lee For some case of low-end devices with limited resources, an option to disable mte support is necessary. This patch Adds an alias in id-reg override mechanism to suppress the mte feature via passing a param. === Test === QEMU5.2 + mte passed "arm64.nomte" in cmdline boot log: ..(skip) [ 0.000000] CPU features: SYS_ID_AA64PFR1_EL1[11:8]: forced to 0 Changed since v2: - Use id-reg override machanism to suppress feature. Yee Lee (1): arm64/cpufeature: Add arm64.nomte to override id-reg arch/arm64/kernel/idreg-override.c | 2 ++ 1 file changed, 2 insertions(+) -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel