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 Received: from lists1p.gnu.org (lists1p.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 60D76C5DF87 for ; Wed, 19 Aug 2026 19:48:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wwmGe-0001FG-4F; Wed, 19 Aug 2026 15:48:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wwmGc-0001EL-Ia for qemu-devel@nongnu.org; Wed, 19 Aug 2026 15:48:06 -0400 Received: from mail-pj1-x1029.google.com ([2607:f8b0:4864:20::1029]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1wwmGa-0000FO-RN for qemu-devel@nongnu.org; Wed, 19 Aug 2026 15:48:06 -0400 Received: by mail-pj1-x1029.google.com with SMTP id 98e67ed59e1d1-38e07ebd263so1012983a91.1 for ; Wed, 19 Aug 2026 12:48:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1787168883; x=1787773683; darn=nongnu.org; h=content-transfer-encoding:content-type:in-reply-to:content-language :from:references:cc:to:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to:content-type; bh=jmbuQ0CF71p1Ht5ENZObOjNwAXqkFrBK4XokT6D0QRo=; b=FxKJhfWVkw7qLfdlQEM16rcyt2wiDIPlAbxovDop4dAqCiegIh02WzjP794TgjXWb2 S/gnCEzlkbrCsATuN5WXEkzQNHhIRNLsChCThlyb0NJF8nyctF/A9no1ZF+yUxbexs3t EXRvRg2kq/0MkJP0cfwJC6ZsEAuJtzzpamWWgp91ng5MiWbN4TiespHBteiOpwxjCPtw E5hTlPrIQBqq8qMECjayl7pSdG2peDQLl8GMf4oCBRg1SmbLAx18aXWmZqP6uaYJP42O YmMzewStlf4ABZVYb53YecuC3+qY7nSsVcPa/f8ePkoxoLUKDreTyleOEHhGVl5ibZpX /rNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787168883; x=1787773683; h=content-transfer-encoding:content-type:in-reply-to:content-language :from:references:cc:to:subject:user-agent:mime-version:date :message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=jmbuQ0CF71p1Ht5ENZObOjNwAXqkFrBK4XokT6D0QRo=; b=R3m22RsyGd4mmXRGW+XPVAQbdoydQRnD5ws05f5HxwJtCkWeLcNKRP37DEmCuiOoDY wGfmBGMmov1ehZ7ZwH4sovsV+l1zVkQX7G/I9Mc0LMXBB6nIErGx2L16zuPZvJR0B5bM wKFNleqY7ZZ0Mg0rFSiIoG/efzwwPdm7QcCGYlDweaOmoY++pim1Cxv8hTKcnOKkgQwd GnLwXZOdYBAClv/xn+hPwFoDgrxLt71BZ9bI4oEztsVnr4dVtHMnTjLmyAcy7Kvq8gVd oRFnZVFLxSuXYGYpWP/najk8woovoAcvdmkBcab+gWgFnfJKJsu042o3qCUAQDu1VPon aBEA== X-Forwarded-Encrypted: i=1; AHgh+RrS/5hOfcyMlvXgj8kCbcz1FqoKA8rLhQY6k6yvxc6dEhb7hjtfemGYh+iGJMK/U/J9lgxhRZKXL/sq@nongnu.org X-Gm-Message-State: AFuF++lN1+2NT97PbZ6kIt1gbXGgw6tTAaQ7k5JLv/2MaJWqN0LszIFY rEfGDO9aAYEB7VLoLlvUMfRzI3h+bL5pvDBmQh9BE9M9qYPgsheRfna/lUYEaEcvIK8= X-Gm-Gg: AR+sD10je0z5pjgYqkyGO/MeQlMF9FhPZa9SBJLnrM6r0rU2etPA9StGTRziKIRlSKD 0S3ol5qYEvDzVLjYdYYledmWw4FtWkqvICwz8Fq07zBtIQCfo7q+ZcsNT57P6QEurJn1nOH6Zn1 BVW8s6YhHBnjdoCjtOG4baK3mcsGmjk0OhocSnedzkh+T0xJHeveVSr3wfqM6zRd/BJKJi4pmof 2l080LoCJudW1d2wxRBYm+GPsnR697RpgYqIjDHfgfnv5ndbqHkSitD/ZnNQq3J/lvrZxLUJJ6z lERlDjOrTycrVBAsCoWnjHKaJKSF7Brk0U2rbUKYrJkjKx2dBm0xiyaWvTQkUggktaQFqhFHzhc xw/JPCn/56As1baA6OLHg7Zx77d7TnyOzMSzpoT6gKSFceSnqHl8tmr0TKcG2bczcqb0qgzT8NW f0XwNeg4kpP1TV1+LTWTbAnFCxNgulpxS3Oiy/aS8yOpP2VVj1LsN7CFNMjhGw3srqsTl22G6eG 5qi9WK++1H3gQ== X-Received: by 2002:a17:90b:2748:b0:392:7f74:58c9 with SMTP id 98e67ed59e1d1-395810f2738mr13407703a91.15.1787168883450; Wed, 19 Aug 2026 12:48:03 -0700 (PDT) Received: from [192.168.122.51] ([173.164.107.233]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3957fb51271sm4055310a91.7.2026.08.19.12.48.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Aug 2026 12:48:03 -0700 (PDT) Message-ID: Date: Wed, 19 Aug 2026 12:44:07 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 4/9] xen-mapcache: Remove 32bit support To: Peter Xu , qemu-devel@nongnu.org Cc: Paolo Bonzini , Peter Maydell , =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= References: <20260818172012.3052821-1-peterx@redhat.com> <20260818172012.3052821-5-peterx@redhat.com> From: Richard Henderson Content-Language: en-US In-Reply-To: <20260818172012.3052821-5-peterx@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1029; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1029.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 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: qemu development 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 On 8/18/26 10:20, Peter Xu wrote: > QEMU has switched to 64bit-only hosts for all system emulations. > > Signed-off-by: Peter Xu > --- > hw/xen/xen-mapcache.c | 12 ++---------- > 1 file changed, 2 insertions(+), 10 deletions(-) Reviewed-by: Richard Henderson r~ > > diff --git a/hw/xen/xen-mapcache.c b/hw/xen/xen-mapcache.c > index 85cf0cf359..e30c07c2ee 100644 > --- a/hw/xen/xen-mapcache.c > +++ b/hw/xen/xen-mapcache.c > @@ -26,11 +26,7 @@ > #include > #include > > -#if HOST_LONG_BITS == 32 > -# define MCACHE_MAX_SIZE (1UL<<31) /* 2GB Cap */ > -#else > -# define MCACHE_MAX_SIZE (1UL<<35) /* 32GB Cap */ > -#endif > +#define MCACHE_MAX_SIZE (1UL << 35) /* 32GB Cap */ > > /* This is the size of the virtual address space reserve to QEMU that will not > * be use by MapCache. > @@ -151,11 +147,7 @@ void xen_map_cache_init(phys_offset_to_gaddr_t f, void *opaque) > exit(EXIT_FAILURE); > } > > - if (HOST_LONG_BITS == 32) { > - bucket_shift = 16; > - } else { > - bucket_shift = 20; > - } > + bucket_shift = 20; > > if (geteuid() == 0) { > rlimit_as.rlim_cur = RLIM_INFINITY;