From patchwork Thu Sep 21 08:34:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Michael Tokarev X-Patchwork-Id: 1837542 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RrpdT4klxz1ynj for ; Thu, 21 Sep 2023 18:35:57 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qjFA7-0006W1-Mk; Thu, 21 Sep 2023 04:35:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qjF9x-00069Z-9G; Thu, 21 Sep 2023 04:35:41 -0400 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qjF9v-0001KL-IT; Thu, 21 Sep 2023 04:35:41 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 124CC23DAC; Thu, 21 Sep 2023 11:35:35 +0300 (MSK) Received: from tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by tsrv.corpit.ru (Postfix) with SMTP id B3D9B29A06; Thu, 21 Sep 2023 11:35:13 +0300 (MSK) Received: (nullmailer pid 509109 invoked by uid 1000); Thu, 21 Sep 2023 08:35:11 -0000 From: Michael Tokarev To: qemu-devel@nongnu.org Cc: Laszlo Ersek , qemu-trivial@nongnu.org, "Michael S. Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Eduardo Habkost , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Michael Tokarev Subject: [PULL 09/17] hw/i386/pc: fix code comment on cumulative flash size Date: Thu, 21 Sep 2023 11:34:58 +0300 Message-Id: <20230921083506.509032-10-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230921083506.509032-1-mjt@tls.msk.ru> References: <20230921083506.509032-1-mjt@tls.msk.ru> MIME-Version: 1.0 Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Laszlo Ersek - The comment is incorrectly indented / formatted. - The comment states a 8MB limit, even though the code enforces a 16MB limit. Both of these warts come from commit 0657c657eb37 ("hw/i386/pc: add max combined fw size as machine configuration option", 2020-12-09); clean them up. Arguably, it's also better to be consistent with the binary units (such as "MiB") that QEMU uses nowadays. Cc: "Michael S. Tsirkin" (supporter:PC) Cc: Marcel Apfelbaum (supporter:PC) Cc: Paolo Bonzini (maintainer:X86 TCG CPUs) Cc: Richard Henderson (maintainer:X86 TCG CPUs) Cc: Eduardo Habkost (maintainer:X86 TCG CPUs) Cc: qemu-trivial@nongnu.org Fixes: 0657c657eb37 Signed-off-by: Laszlo Ersek Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Michael Tokarev Signed-off-by: Michael Tokarev --- hw/i386/pc.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 2872f60cdf..3db0743f31 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1746,12 +1746,12 @@ static void pc_machine_set_max_fw_size(Object *obj, Visitor *v, } /* - * We don't have a theoretically justifiable exact lower bound on the base - * address of any flash mapping. In practice, the IO-APIC MMIO range is - * [0xFEE00000..0xFEE01000] -- see IO_APIC_DEFAULT_ADDRESS --, leaving free - * only 18MB-4KB below 4G. For now, restrict the cumulative mapping to 8MB in - * size. - */ + * We don't have a theoretically justifiable exact lower bound on the base + * address of any flash mapping. In practice, the IO-APIC MMIO range is + * [0xFEE00000..0xFEE01000] -- see IO_APIC_DEFAULT_ADDRESS --, leaving free + * only 18MiB-4KiB below 4GiB. For now, restrict the cumulative mapping to + * 16MiB in size. + */ if (value > 16 * MiB) { error_setg(errp, "User specified max allowed firmware size %" PRIu64 " is "