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[97.113.13.231]) by smtp.gmail.com with ESMTPSA id e14sm18166264pff.60.2019.05.19.13.20.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 19 May 2019 13:20:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=vXq6cXFo3n3RVYR19bI6vVgQuVdOYZC397oTA+hZL94=; b=h/5t8SuJPF66yPg5KIK/1+q6l/zoXStcVF83BnUmASs+IJyugUpLxXyx5pkEHO2hpM H60lx4VC1JmsMfBFxLoFBP/dDHmB4KUBE1wAm2POAJVNHffSISkK3n1K1/PW6X9dgoSt oi42aOs3OfIIss0p1G0wVS2nKOrqanShKyLZ88xgPkyo8JQji5K5/SWyW0OWBDF4MfSP 52VOditXiH+azKus5npX8TUrWWLx9+/RZGT489fFhCzdhXVjTBb0gyQpfbXS83HotV3w TEL56sGRpuijYhDzz3evCXg1VSkd8WbNutAO/vNp8ED01h9N2n9mUyJa3PRMkvpnk6QD x3ZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=vXq6cXFo3n3RVYR19bI6vVgQuVdOYZC397oTA+hZL94=; b=YHtAbUFEITZskA8tWuXYnQY8Blc+18qzGHDIxDMILaZ/HBl/Y9K8yYGIcm+3QpK2J+ gSNs2rigz/0ktmGlJoX8HJsE5YwaK2Qc9lkHSLJ0utwuVF5w8R75Xvu3DxzvwQbdlIlZ /bk1pE+0qzl/s8X9a1Z+xz77G1UyvLLJj3MZC8hupFesMpSaXVS0Boj1vx4qR8Mojst+ TOsjQ/u4tMmNCxHCPB+U+8bzmrMtJS9oXERsrz2yQ+x09fgaJhHBqAoKYzye/n2ZS6KA myQUta9EBE2io8XcZhfOuM7ZvjqIwLGa0sL5/xSuSC56ozbLholmrTd5uoGTxSUKtiWi QMlA== X-Gm-Message-State: APjAAAUKjStjMbwXxyHTjVT13q2QkwPVKOegQ9ev1p/D7+K3x3p4Nddo f2jKKz7koYghwIMWp2zKNZy8zghcDRI= X-Google-Smtp-Source: APXvYqyW5CgWr5ssPcFw3NOv4uJ2N2G1k/twgBwCXJ6CUimg/ZXCE5WFTkmnx/+XUQZsJYQ9VLB7GA== X-Received: by 2002:a63:1e4d:: with SMTP id p13mr71552853pgm.125.1558297212217; Sun, 19 May 2019 13:20:12 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Sun, 19 May 2019 13:19:53 -0700 Message-Id: <20190519201953.20161-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190519201953.20161-1-richard.henderson@linaro.org> References: <20190519201953.20161-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::441 Subject: [Qemu-devel] [PATCH 13/13] linux-user: Align mmap_find_vma to host page size X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This can avoid stack allocation failures for i386 guest on ppc64 (64k page) host. Suggested-by: Laurent Vivier Signed-off-by: Richard Henderson --- linux-user/mmap.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/linux-user/mmap.c b/linux-user/mmap.c index 10796b37ac..af41339d57 100644 --- a/linux-user/mmap.c +++ b/linux-user/mmap.c @@ -262,6 +262,8 @@ abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size= , abi_ulong align) abi_ulong addr; int wrapped, repeat; =20 + align =3D MAX(align, qemu_host_page_size); + /* If 'start' =3D=3D 0, then a default start address is used. */ if (start =3D=3D 0) { start =3D mmap_next_start; --=20 2.17.1