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 X-Spam-Level: X-Spam-Status: No, score=-18.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8A53C433F5 for ; Fri, 24 Sep 2021 09:56:57 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7D73260200 for ; Fri, 24 Sep 2021 09:56:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7D73260200 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=cloudflare.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=h/BPwZhjCcALc+rH0iqqHWh9rxwBvWZHAZyJFBJXrKA=; b=M4eihjFw8HMJcQ W8vLv47jN2aERmHeDpUNynqCMBu7n6fpWtT0D4xQ4U0bjX1glKIhd95K0J15XRmFCsJ0b0zNv0wXf Fe8sq5+8BMCuKQyy2zXLzXonk0VcY5ntTUZb1KOxWQu7KNVy96gEtovVtnxWfABf+YIlyQfo39NmW ZkF3ceiKeJdhYmvTgz0b6VDo3PJbXa7iNac+QT4k/2tgjVeP1mtPobCs01Vc1uu/HhSV26AXKzJQ/ Wps8z54GOL7uD/5SgxhDUkPzuyv7a9iDU20VoqbEL9o8ooqMJ/ZQd0g9COcuau7yu2dQfOTT08QQN f2pHYShTlCx0M+71vhQw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mThwj-00E0r8-Da; Fri, 24 Sep 2021 09:56:45 +0000 Received: from mail-wr1-x433.google.com ([2a00:1450:4864:20::433]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mThwI-00E0mR-Pz for linux-riscv@lists.infradead.org; Fri, 24 Sep 2021 09:56:19 +0000 Received: by mail-wr1-x433.google.com with SMTP id i23so25735640wrb.2 for ; Fri, 24 Sep 2021 02:56:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cloudflare.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3h7c0XVFr6N3jiF/U6QxDBsNOiGNhPsYCa4Km18D0Hc=; b=vKOH360OkdUSeBBmWUFXZK8VGjn3L5JmXcL6+bqa2xj579UoV2NU1xzoSlFrm708mm h5Jt8GHJe3mtqjujsS/u/O/LAfckAQvQGenJ/qLfLVMgl12xKd1MKcLBy/7EFiXXmBoL 69vXNFZ3z7kgjYILbRfdlOFB2Q/ewIENfeeLg= 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=3h7c0XVFr6N3jiF/U6QxDBsNOiGNhPsYCa4Km18D0Hc=; b=yhCaSFOsdENYMLSKKzVQ8zFTn3G36BmRKMcf74ldn9wCpqsq7qPW738hVvba49liHd AO6Ekd+XcWT2+H/oLx9w6fX0UZiFXREgquDjMH/gqjiz8ZVzjiFFpRZFGNqfCJ+yYEkN q+djZZQL6e9Dk1QX3jxB1syTltg05KZ4Pafk0zC2JCsaMmWvTl1U8Z5kiOXabZbIBlYu MH1VGsFziEKSyGPlF2FPUsYuuELq73YS+cay4cQP9CR2hQbk/+4EaK9CWrQf+Vfhwi1h XidmeRdZKfcOKG1DnYDBtJ5hLLdQPH0ocaQrioTK440YE0GY3Erzl+BZA6uvp5mVWpTI rkoA== X-Gm-Message-State: AOAM532d1h9MseBVyNIDcSeWQ20lyivt+0TZSmEthN5nSn+OqGQpJXwF Zbtf74oQuHKpacEx44VRoZSCiA== X-Google-Smtp-Source: ABdhPJxtHe+PjtTgQIuOLwSiU1zls++8SImNRIUOHlY0ZtTilLz8T0M+r62uqddhxQXzeoDR4eMiBA== X-Received: by 2002:a05:6000:1379:: with SMTP id q25mr10131509wrz.280.1632477376986; Fri, 24 Sep 2021 02:56:16 -0700 (PDT) Received: from antares.. (1.8.8.f.e.b.b.b.5.6.9.e.c.8.5.0.f.f.6.2.a.5.a.7.0.b.8.0.1.0.0.2.ip6.arpa. [2001:8b0:7a5a:26ff:58c:e965:bbbe:f881]) by smtp.gmail.com with ESMTPSA id v20sm7871106wra.73.2021.09.24.02.56.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Sep 2021 02:56:16 -0700 (PDT) From: Lorenz Bauer To: Luke Nelson , Xi Wang , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: kernel-team@cloudflare.com, Lorenz Bauer , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH bpf-next 1/4] bpf: define bpf_jit_alloc_exec_limit for riscv JIT Date: Fri, 24 Sep 2021 10:55:39 +0100 Message-Id: <20210924095542.33697-2-lmb@cloudflare.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210924095542.33697-1-lmb@cloudflare.com> References: <20210924095542.33697-1-lmb@cloudflare.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210924_025618_860983_44C3BD9B X-CRM114-Status: UNSURE ( 8.36 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Expose the maximum amount of useable memory from the sparcv JIT. Signed-off-by: Lorenz Bauer --- arch/riscv/net/bpf_jit_core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/riscv/net/bpf_jit_core.c b/arch/riscv/net/bpf_jit_core.c index fed86f42dfbe..0fee2cbaaf53 100644 --- a/arch/riscv/net/bpf_jit_core.c +++ b/arch/riscv/net/bpf_jit_core.c @@ -166,6 +166,11 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) return prog; } +u64 bpf_jit_alloc_exec_limit(void) +{ + return BPF_JIT_REGION_SIZE; +} + void *bpf_jit_alloc_exec(unsigned long size) { return __vmalloc_node_range(size, PAGE_SIZE, BPF_JIT_REGION_START, -- 2.30.2 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv