From nobody Mon Feb 9 10:27:41 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1632286931; cv=none; d=zohomail.com; s=zohoarc; b=CmKOJnSkb+YWnoEBAPdc+cab9IyaQrOvMSQu+p+myODPMOu5J2nMRlSKuEX3vT/1IEcNGGfjsIVKAFgoho8n/086UjlCVqAdBKcsCgQ5+SBum9baCQFI4wGtIXURx/Z3hxuGevePrUfOQdh0fvydfvrEHx/WHFV24ZhDonrOyMU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1632286931; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=6zJfAxDT5Nlo6odfG5trP7Orh8JxL9FZBJtXEayWB6M=; b=LMvBt908xz6Fi+9m3TA9PMztHZTyqwtPR7TrjcjUPFItqcf/CtkcV/E8zbVVqUsfsB6TgufbqU8t0jTtzp0pO4ixzvL2yfKKYh3uen0UjXC/4xFy12BhUqsAa8OlUYy+3Z7dh1vJnFmyrHzhplQtWUtBy/hLco8KBLL2BFLMaXQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1632286931501175.21119440456619; Tue, 21 Sep 2021 22:02:11 -0700 (PDT) Received: from localhost ([::1]:56586 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mSuOY-0006QF-A4 for importer@patchew.org; Wed, 22 Sep 2021 01:02:10 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41244) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mSuJP-0006YG-9s for qemu-devel@nongnu.org; Wed, 22 Sep 2021 00:56:51 -0400 Received: from mail-il1-x133.google.com ([2607:f8b0:4864:20::133]:45938) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mSuJN-0007kG-Pi for qemu-devel@nongnu.org; Wed, 22 Sep 2021 00:56:51 -0400 Received: by mail-il1-x133.google.com with SMTP id b8so1337714ilh.12 for ; Tue, 21 Sep 2021 21:56:49 -0700 (PDT) Received: from dune.bsdimp.com (50-253-99-174-static.hfc.comcastbusiness.net. [50.253.99.174]) by smtp.gmail.com with ESMTPSA id j5sm512833ilk.58.2021.09.21.21.56.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Sep 2021 21:56:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6zJfAxDT5Nlo6odfG5trP7Orh8JxL9FZBJtXEayWB6M=; b=OjCLlB0TSh2qoimsRo3VWVDajLZC44Gkg+Yzq8TsDDIxWGL77C79GlEBq5p6U4lCE/ QBJY2etWxYP7PN1+oVi3sQGBfhFiTlDj4QSR0LGUa65tDBtx5QPEFASXgsmyM3rBTBGW isHP4SoxIXwEqzaaG0e44FZiUAf6ZQxH7ARBIK9ufVBn36IOS9dCoRspEtE9X4rezCDZ UyrqT4dudyVrC+vYT76wdcMWfK6Vd8hbaD5LAjBAtM3+XzMGqZvDtzgmDhe+tV8B0eJX z3ep2EfPHY0LxKtXmuDJvk34BWIFpmEFdFMMC9I4Jfx2wSyH2Czb39XlRfCRV+xu3Nhz 5Yiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6zJfAxDT5Nlo6odfG5trP7Orh8JxL9FZBJtXEayWB6M=; b=ZM4mZsX/ok4JTgJCKFPTYOUXV15HRPpMg86uW7WE9Wbp6Rz88yCMlKae0fmlJX5xLS T+0Y3JQY+fg2EgGxJ8FRVFjuyyG8vIoKOLgQfKjQuzRtcXN7zHEV/bxyLGhgnvoRCWrR P70LygIyz0GUMIIkTynjMrI3gYPHseYXtUdcPBzkYJSbqHpx7JVmF8rB/KLqQyhCn2FX cXBjKzJsaUKeekcTtkMYmcInHMoJfEXiD5mMvxxvR8ru5Y9bk6FqudX4gQlhT4ZGF82Z gbxXKckTSUoi6FVkqJKgPgx9+3j2x62Ecs5AL4W97RNF1bGnQ2z+9RclCAQU2dVHxOqD 8ROw== X-Gm-Message-State: AOAM530N4HMQwRIYcNX6DleHZRltVeURtK8kM8DJ47i60k83jp2dxfrg 765F/amC7C00OR/6LMSMEABJrpobgOHLuAQ29m0= X-Google-Smtp-Source: ABdhPJxN5TTZK4z3sRdLkg6hm/QeMEapUHD0cONnS4hSKCXLHFcbW820+XTxYVuq97xAUI4nnPODRw== X-Received: by 2002:a92:d483:: with SMTP id p3mr24619930ilg.131.1632286608477; Tue, 21 Sep 2021 21:56:48 -0700 (PDT) From: Warner Losh To: qemu-devel@nongnu.org Subject: [PATCH v2 5/9] bsd-user/mmap.c: mmap prefer MAP_ANON for BSD Date: Tue, 21 Sep 2021 22:56:32 -0600 Message-Id: <20210922045636.25206-6-imp@bsdimp.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210922045636.25206-1-imp@bsdimp.com> References: <20210922045636.25206-1-imp@bsdimp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=2607:f8b0:4864:20::133; envelope-from=imp@bsdimp.com; helo=mail-il1-x133.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kevans@freebsd.org, richard.henderson@linaro.org, f4bug@amsat.org, Warner Losh Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @bsdimp-com.20210112.gappssmtp.com) X-ZM-MESSAGEID: 1632286932521100001 MAP_ANON and MAP_ANONYMOUS are identical. Prefer MAP_ANON for BSD since the file is now a confusing mix of the two. Signed-off-by: Warner Losh Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- bsd-user/mmap.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/bsd-user/mmap.c b/bsd-user/mmap.c index 0acc2db712..bafbdacd31 100644 --- a/bsd-user/mmap.c +++ b/bsd-user/mmap.c @@ -284,7 +284,7 @@ static abi_ulong mmap_find_vma_aligned(abi_ulong start,= abi_ulong size, addr =3D start; wrapped =3D repeat =3D 0; prev =3D 0; - flags =3D MAP_ANONYMOUS | MAP_PRIVATE; + flags =3D MAP_ANON | MAP_PRIVATE; if (alignment !=3D 0) { flags |=3D MAP_ALIGNED(alignment); } @@ -408,7 +408,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, in= t prot, if (flags & MAP_FIXED) { printf("MAP_FIXED "); } - if (flags & MAP_ANONYMOUS) { + if (flags & MAP_ANON) { printf("MAP_ANON "); } if (flags & MAP_EXCL) { @@ -430,7 +430,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, in= t prot, } #endif =20 - if ((flags & MAP_ANONYMOUS) && fd !=3D -1) { + if ((flags & MAP_ANON) && fd !=3D -1) { errno =3D EINVAL; goto fail; } @@ -532,7 +532,7 @@ abi_long target_mmap(abi_ulong start, abi_ulong len, in= t prot, * qemu_real_host_page_size */ p =3D mmap(g2h_untagged(start), host_len, prot, - flags | MAP_FIXED | ((fd !=3D -1) ? MAP_ANONYMOUS : 0), -= 1, 0); + flags | MAP_FIXED | ((fd !=3D -1) ? MAP_ANON : 0), -1, 0); if (p =3D=3D MAP_FAILED) goto fail; /* update start so that it points to the file position at 'offset'= */ @@ -694,8 +694,7 @@ static void mmap_reserve(abi_ulong start, abi_ulong siz= e) } if (real_start !=3D real_end) { mmap(g2h_untagged(real_start), real_end - real_start, PROT_NONE, - MAP_FIXED | MAP_ANONYMOUS | MAP_PRIVATE, - -1, 0); + MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0); } } =20 --=20 2.32.0