From patchwork Wed Feb 14 04:54:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 13555945 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D1655C4829D for ; Wed, 14 Feb 2024 04:55:14 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ra7Hq-0001Gq-9E; Tue, 13 Feb 2024 23:54:22 -0500 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 1ra7Ho-0001Gf-0v for qemu-devel@nongnu.org; Tue, 13 Feb 2024 23:54:20 -0500 Received: from mail-pg1-x52b.google.com ([2607:f8b0:4864:20::52b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ra7Hm-0003Ix-Fv for qemu-devel@nongnu.org; Tue, 13 Feb 2024 23:54:19 -0500 Received: by mail-pg1-x52b.google.com with SMTP id 41be03b00d2f7-5d3912c9a83so1194433a12.3 for ; Tue, 13 Feb 2024 20:54:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1707886457; x=1708491257; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=lIw0HHLdL2NvcxZjQjlv25wKknGxFlW0JytLKiI4Hg4=; b=D2Qh9p+Co/RcTofJ1tTj01Rkymwp390GXOI+esGur0lBaYsL3P9P5EtReMCGAvZ7M4 uwPKEy4UVMHn6WLZHe559XQiCMKVzaNk6hPhcL1Du2YQ2jfFKEa6fOOdZG3AiT+vdgmO 76YcHWQCGrf97DYmJbGdyvEdSKAsNZTGtKwIQZJAlJGTE9B2etFsbZARuvYOYwXcK1C3 IVjdRsTL5Rw6hMWUA83F1ykQ0Z/waI2dOKCFGqOY2FX1jub2KG2aUaWZBxYO8+pqhGoz rUV8W+hBzc/0piTzryWsqlxmEVYlGNFnK6nTM16AtWS6EV083Pfjx66raEE+Tuw7k7nM Ux7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707886457; x=1708491257; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=lIw0HHLdL2NvcxZjQjlv25wKknGxFlW0JytLKiI4Hg4=; b=AEUkJNzAgCOEbqf2vdGQ/Wuzo7uC9nml8hQvALgUs/eaWanHjJezUMcqQ1oiJ810bY WFtA8xvoRQng20UtaYiM1hg50Eo/RIaSrapTbDIJWGjC24EccNWG0qdB64EIKKhrt/zY r2sJAyphCj5LjGX+QFhvU7JVsZoNRtV4OCMOiGHGSoopWVu9oklIj6MxVG+fruZuYq7m bLny4Vc7bCSIEaE2SKqXoVUlAvIiylXuuN/EJQpZy7boKHL7R+CQJcqSRJ1x7xFsEkCi 03n/PaCmJNH9L4C0Ska7Y/vkeY40YRdZ4MjF5OuNpRz8Eq2zFmSoDJe1YPkE1nso4GyL V6vA== X-Gm-Message-State: AOJu0YxGxSsjIRgubV480zbchv05yx7huUVLZiDjrn8I21PFI72bZ3R4 +4WeP5SDPrLGFEpI5MZ087/WD3k9LgC6MjheM3ynl5ueQKGIcQjONayramB85m57Yei1TEbmn8i r X-Google-Smtp-Source: AGHT+IFKiH70Ks5V98n5229QD/JiBZ4mOP7E1OCdTfLgzIgKWEGB2zICGdCWVK6weKlODPDMaxaRrw== X-Received: by 2002:a17:90b:ec7:b0:296:4177:6404 with SMTP id gz7-20020a17090b0ec700b0029641776404mr1483067pjb.11.1707886456687; Tue, 13 Feb 2024 20:54:16 -0800 (PST) Received: from stoup.. (173-197-098-125.biz.spectrum.com. [173.197.98.125]) by smtp.gmail.com with ESMTPSA id jx13-20020a17090b46cd00b00298c5ee3159sm387339pjb.49.2024.02.13.20.54.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Feb 2024 20:54:16 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: alex.bennee@linaro.org Subject: [PATCH] linux-user: Remove pgb_dynamic alignment assertion Date: Tue, 13 Feb 2024 18:54:13 -1000 Message-Id: <20240214045413.541677-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52b; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The assertion was never correct, because the alignment is a composite of the image alignment and SHMLBA. Even if the alignment didn't match the image an assertion would not be correct -- more appropriate would be an error message about an ill formed image. But the image cannot be held to SHMLBA under any circumstances. Fixes: ee94743034b ("linux-user: completely re-write init_guest_space") Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2157 Signed-off-by: Richard Henderson Reported-by: Alexey Sheplyakov Reviewed-by: Philippe Mathieu-Daudé --- linux-user/elfload.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index f3f1ab4f69..d92d66ca1e 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -3022,8 +3022,6 @@ static void pgb_dynamic(const char *image_name, uintptr_t guest_loaddr, uintptr_t brk, ret; PGBAddrs ga; - assert(QEMU_IS_ALIGNED(guest_loaddr, align)); - /* Try the identity map first. */ if (pgb_addr_set(&ga, guest_loaddr, guest_hiaddr, true)) { brk = (uintptr_t)sbrk(0);