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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 1A8C1C433DB for ; Mon, 1 Feb 2021 11:58:06 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 AE48864DCC for ; Mon, 1 Feb 2021 11:58:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AE48864DCC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RHNH+cx4qAEXsHf6T4yoiNoOn8tVxr74mxuSDsiH5jY=; b=BoZHlIlVfRzUQ9f2ziftQ2RJj UIXQjMAuaAqnz2nub+tumloNr1JUZO7oCK7wRYyrkR4ZoTkXChPKJlZ/nr5t+LJj7q42eUWAXsGw1 m7RDPl8/Ry0uK7nGkxrq0KaKXXVSU32fh9A4A/qCE7PqW0KZQoGS7MZhOI1HDS+FRTZuN2oaOHL8Z iRsyyDasJcU+57MEE9/2HiOW73hgP6PljG5Domc6QHF+hlHqKsGAsZD7VwgCC+Rqo+tNKNKVLiOpl geYSh+uNZGL9j/83UOE7x9g0PHHr0dJ/pkB15u0YWCs2UOkb5P2bKAdgo4aXTMUS5NrzA3gGxEzM4 ZlSoGTm8g==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l6Xp5-0003LQ-MU; Mon, 01 Feb 2021 11:56:51 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l6Xp2-0003Jf-KW for linux-arm-kernel@lists.infradead.org; Mon, 01 Feb 2021 11:56:49 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (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 D57B464E8F; Mon, 1 Feb 2021 11:56:47 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1l6Xp0-00BG09-0G; Mon, 01 Feb 2021 11:56:46 +0000 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org Subject: [PATCH v6 02/21] arm64: Fix outdated TCR setup comment Date: Mon, 1 Feb 2021 11:56:18 +0000 Message-Id: <20210201115637.3123740-3-maz@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210201115637.3123740-1-maz@kernel.org> References: <20210201115637.3123740-1-maz@kernel.org> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com, dbrazdil@google.com, alexandru.elisei@arm.com, ardb@kernel.org, jingzhangos@google.com, pajay@qti.qualcomm.com, psodagud@codeaurora.org, sramana@codeaurora.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210201_065648_771006_5892EC06 X-CRM114-Status: GOOD ( 14.54 ) 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 , Jing Zhang , Prasad Sodagudi , Srinivas Ramana , Suzuki K Poulose , Catalin Marinas , Alexandru Elisei , James Morse , Ajay Patil , kernel-team@android.com, David Brazdil , Will Deacon , Ard Biesheuvel , Julien Thierry 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 The arm64 kernel has long be able to use more than 39bit VAs. Since day one, actually. Let's rewrite the offending comment. Signed-off-by: Marc Zyngier Acked-by: Catalin Marinas Acked-by: David Brazdil --- arch/arm64/mm/proc.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S index 1f7ee8c8b7b8..ece785477bdc 100644 --- a/arch/arm64/mm/proc.S +++ b/arch/arm64/mm/proc.S @@ -464,8 +464,8 @@ SYM_FUNC_START(__cpu_setup) #endif msr mair_el1, x5 /* - * Set/prepare TCR and TTBR. We use 512GB (39-bit) address range for - * both user and kernel. + * Set/prepare TCR and TTBR. TCR_EL1.T1SZ gets further + * adjusted if the kernel is compiled with 52bit VA support. */ mov_q x10, TCR_TxSZ(VA_BITS) | TCR_CACHE_FLAGS | TCR_SMP_FLAGS | \ TCR_TG_FLAGS | TCR_KASLR_FLAGS | TCR_ASID16 | \ -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel