From patchwork Wed Feb 22 16:12:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 13149326 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8B06C61DA4 for ; Wed, 22 Feb 2023 16:12:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231726AbjBVQMg (ORCPT ); Wed, 22 Feb 2023 11:12:36 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232038AbjBVQMc (ORCPT ); Wed, 22 Feb 2023 11:12:32 -0500 Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2E4F3D907; Wed, 22 Feb 2023 08:12:30 -0800 (PST) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id D21E05C0048; Wed, 22 Feb 2023 11:12:28 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Wed, 22 Feb 2023 11:12:28 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flygoat.com; h= cc:cc:content-transfer-encoding:date:date:from:from:in-reply-to :message-id:mime-version:reply-to:sender:subject:subject:to:to; s=fm2; t=1677082348; x=1677168748; bh=jENbBW+G22sQYNJk2HJrdTZtS 9lMqLYmantZB53Hxew=; b=fO3xRdzobWnowQYjMPVMfWmC2QSziJsdtAoUd76td tPs7AQILej0zwe6Ad4j2gUOtty86QD0wJ+rYI5GyYqjvLIiHLDL7fYiJkl+74KLF RWaCUtmbD8D347rVblYVCvwSdu3EBjbAjoTwQCAb5S9xbOZoE4cvFBN46YL30MUN tz93cRWEUlcjEOn4MVu/xN0vQ1eezaXaTR82xhaTJi+GZek6qgSSDh13YheHvhNv 3j8EvBdP7iOS8pS05U4WOko/rdOZNAQPnKk0S+tf2QNJmCHMORTKkL5nKBFAchQE xBULxjqFsTI7bWtW4ad/7sE/pgpGM+9NGDQrqDrNm7oGg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding:date:date :feedback-id:feedback-id:from:from:in-reply-to:message-id :mime-version:reply-to:sender:subject:subject:to:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t= 1677082348; x=1677168748; bh=jENbBW+G22sQYNJk2HJrdTZtS9lMqLYmant ZB53Hxew=; b=rDyHJpw/IohvksQjwv2Qo8M+Lim/mHGuU47F6MreMUVANeHHuub qV6phYGanm8On2g2VMkS8qlyGj3GD4j3slNlL9iGl/ttZVmfz+FvMwHgEUqxqYah tAS0opJpR50/yEhLDdv3Pkp90T8sIT5MVxXxyefcVWoicIkmNdrY1EJvpH8zIXBy JSJmgG0BLZCaFVQduq6xGdtUOO8IY8pqs870q7GcYvsrJLUt50JssJOqDbHjhCsx +JVUiuyqdeOtraWV5cuEuE4tWQnRruKYWfWON3eGmmEO6nDMc2DtYOz25yF9QodY 6phX4y//GswfcHxSBGxD9QC7zYBOoHklvOw== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrudejledgkeegucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvfevufffkffoggfgsedtkeertd ertddtnecuhfhrohhmpeflihgrgihunhcujggrnhhguceojhhirgiguhhnrdihrghnghes fhhlhihgohgrthdrtghomheqnecuggftrfgrthhtvghrnhephfetuddtudevieeljeejte ffheeujeduhefgffejudfhueelleduffefgfffveeknecuvehluhhsthgvrhfuihiivgep tdenucfrrghrrghmpehmrghilhhfrhhomhepjhhirgiguhhnrdihrghnghesfhhlhihgoh grthdrtghomh X-ME-Proxy: Feedback-ID: ifd894703:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 22 Feb 2023 11:12:27 -0500 (EST) From: Jiaxun Yang To: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org, tsbogend@alpha.franken.de, johan.almbladh@anyfinetworks.com, paulburton@kernel.org, bpf@vger.kernel.org, Jiaxun Yang Subject: [PATCH 0/2] MIPS: Implement two workarounds for BPF JIT Date: Wed, 22 Feb 2023 16:12:20 +0000 Message-Id: <20230222161222.11879-1-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.37.1 (Apple Git-137.1) MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hi all, Just noticed eBPF JIT is not working on R4000 when messing around with QEMU. This patchset implements two workarounds that is blocking us from enabling eBPF JIT on R4000. Thanks. - Jiaxun Jiaxun Yang (2): MIPS: ebpf jit: Implement DADDI workarounds MIPS: ebpf jit: Implement R4000 workarounds arch/mips/Kconfig | 5 +---- arch/mips/net/bpf_jit_comp.c | 8 ++++++++ arch/mips/net/bpf_jit_comp32.c | 4 ++++ arch/mips/net/bpf_jit_comp64.c | 3 +++ 4 files changed, 16 insertions(+), 4 deletions(-)