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=-11.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 997B6C433E1 for ; Thu, 30 Jul 2020 11:11:06 +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 64D6B2075F for ; Thu, 30 Jul 2020 11:11:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="y+cVxp9m" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64D6B2075F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com 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:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ecf6wTTa+J4h9d+poQ319u8mSUI5hKnz4M/xfdd/IHY=; b=y+cVxp9m8iewTfJHpQyFvaN8t 0VIBiHBQXVlRZOUP8Vta8O5l3+CmpPnLB+HG7R3x8z7HCE65AHClmi1SOKFYs8t34jTqQjtliGzU1 WoVV81Vycw2p3A3jgdBclN1wDtBgMZFaiSpU5A3ggO1/fhX1vY0Lrou9tt+3SKZZtBoPmjKVCQBp/ 326w01sW7PWHt7TmJUiRz/ZqQ8bBOwRXhRXDqEoh+kUjUDrSiVbX7o9/s05WpHt9Bc99Z/KZ6+hr4 nf2xSyzLiIgKYTeZxeRYxJPKv7hXOqMtzPMSQhwJ/QRb6pCMjW+f9hgpzDTld71JmjB/T7GbMLVj+ juIohz+cw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k16RU-0002cO-4L; Thu, 30 Jul 2020 11:09:44 +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 1k16RR-0002bz-RZ for linux-arm-kernel@lists.infradead.org; Thu, 30 Jul 2020 11:09:42 +0000 Received: from gaia (unknown [95.146.230.158]) (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 8BE062075F; Thu, 30 Jul 2020 11:09:40 +0000 (UTC) Date: Thu, 30 Jul 2020 12:09:38 +0100 From: Catalin Marinas To: Pingfan Liu Subject: Re: [PATCH] arm64/fixmap: make notes of fixed_addresses more precisely Message-ID: <20200730110937.GH25149@gaia> References: <1594388602-17790-1-git-send-email-kernelfans@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1594388602-17790-1-git-send-email-kernelfans@gmail.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-20200730_070941_972667_2B5E4045 X-CRM114-Status: GOOD ( 17.92 ) 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: Will Deacon , linux-arm-kernel@lists.infradead.org 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 On Fri, Jul 10, 2020 at 09:43:22PM +0800, Pingfan Liu wrote: > These 'compile-time allocated' memory buffers can occupy more than one > page. So improve the note about it. > > Signed-off-by: Pingfan Liu > Cc: Catalin Marinas > Cc: Will Deacon > To: linux-arm-kernel@lists.infradead.org > --- > arch/arm64/include/asm/fixmap.h | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/include/asm/fixmap.h b/arch/arm64/include/asm/fixmap.h > index f987b8a..318aee1 100644 > --- a/arch/arm64/include/asm/fixmap.h > +++ b/arch/arm64/include/asm/fixmap.h > @@ -29,7 +29,8 @@ > * in the boot process. > * > * These 'compile-time allocated' memory buffers are > - * page-sized. Use set_fixmap(idx,phys) to associate > + * page-sized (or larger if used with an increment > + * higher than 1). Use set_fixmap(idx,phys) to associate > * physical memory with fixmap indices. I don't get this. set_fixmap() only maps a page. Also, what's "increment" in this context? -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel