From patchwork Tue Sep 19 03:58:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pu Lehui X-Patchwork-Id: 13390709 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id A12EBCD37B4 for ; Tue, 19 Sep 2023 03:58:43 +0000 (UTC) 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: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:In-Reply-To:References: List-Owner; bh=zIHaDkfHuC/KGSCIBfpVZEE6WxdP4xdDyxCTkyF2ue8=; b=taU7ZK+tjrlkvG k1K+ru4IGMnxktmmr5i5QaQFXXcFE4iZ6iFiUD8ePsVMcD0Dd6PBrlj8T+gKOMtCOi9YwKcRKEr/X 4gVI+o04rRQAy82YxYYqTdAe2xFdEXr5qb62EPdk9aFP+eVYUK6+PhjH3dc4+Io86Q1yK3SB1YzHY tFbryiEucL1/SA9q8yX+/rLyDHg40OjjSKLPUxHGr31Ck26TLOxQORaq8qDPFPh6Z/uRC49fzeVE7 xJPtl0tubK1KAmoR+Z+FDdIfyVAsVI4ji1+yYsXwjkLMjOzVvvuilVoK+Xa7TOqtFE7QMGkt7+0Qf HYtiiW7xia4WJ2JvIteA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qiRsm-00GsDj-1K; Tue, 19 Sep 2023 03:58:40 +0000 Received: from dggsgout11.his.huawei.com ([45.249.212.51]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qiRse-00Gs6m-1m for linux-riscv@lists.infradead.org; Tue, 19 Sep 2023 03:58:35 +0000 Received: from mail02.huawei.com (unknown [172.30.67.143]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4RqSZB3LnPz4f3lVT for ; Tue, 19 Sep 2023 11:58:26 +0800 (CST) Received: from localhost.localdomain (unknown [10.67.175.61]) by APP4 (Coremail) with SMTP id gCh0CgBn_t1hHAll2JRXAw--.51929S2; Tue, 19 Sep 2023 11:58:25 +0800 (CST) From: Pu Lehui To: bpf@vger.kernel.org, linux-riscv@lists.infradead.org, netdev@vger.kernel.org Cc: =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Palmer Dabbelt , Conor Dooley , Luke Nelson , Pu Lehui , Pu Lehui Subject: [PATCH bpf-next v2 0/6] Zbb support and code simplification for RV64 JIT Date: Tue, 19 Sep 2023 11:58:33 +0800 Message-Id: <20230919035839.3297328-1-pulehui@huaweicloud.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CM-TRANSID: gCh0CgBn_t1hHAll2JRXAw--.51929S2 X-Coremail-Antispam: 1UD129KBjvdXoWruF13Xr4UZw17Zw13Cw1kAFb_yoWkCFbE9F WxXFyxGry5tFy3tasxG3WktFWkC3ykJFyUWFn8tF47uFnxXr1kt3s5KrZFv348Zay8Zr13 Xw1DAFyIyrnI9jkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbI8FF20E14v26ryj6rWUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_tr0E3s1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j 6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628v n2kIc2xKxwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F4 0E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_GFv_Wryl IxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCVW8JwCI42IY6xIIjxv20xvEc7CjxV AFwI0_Gr1j6F4UJwCI42IY6xAIw20EY4v20xvaj40_Zr0_Wr1UMIIF0xvEx4A2jsIE14v2 6r4j6F4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvj fUF0eHDUUUU X-CM-SenderInfo: psxovxtxl6x35dzhxuhorxvhhfrp/ X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230918_205832_809717_D5270860 X-CRM114-Status: UNSURE ( 5.31 ) 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: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add Zbb support [0] to optimize code size and performance of RV64 JIT. Meanwhile, adjust the code for unification and simplification. Tests test_bpf.ko and test_verifier have passed, as well as the relative testcases of test_progs*. Link: https://github.com/riscv/riscv-bitmanip/releases/download/1.0.0/bitmanip-1.0.0-38-g865e7a7.pdf [0] v2: - Add runtime detection for Zbb instructions. (Conor Dooley) - Correct formatting issues detected by checkpatch. (Simon Horman) v1: https://lore.kernel.org/bpf/20230913153413.1446068-1-pulehui@huaweicloud.com/ Pu Lehui (6): riscv, bpf: Unify 32-bit sign-extension to emit_sextw riscv, bpf: Unify 32-bit zero-extension to emit_zextw riscv, bpf: Simplify sext and zext logics in branch instructions riscv, bpf: Add necessary Zbb instructions riscv, bpf: Optimize sign-extention mov insns with Zbb support riscv, bpf: Optimize bswap insns with Zbb support arch/riscv/net/bpf_jit.h | 124 +++++++++++++++++++ arch/riscv/net/bpf_jit_comp64.c | 213 +++++++++++--------------------- 2 files changed, 195 insertions(+), 142 deletions(-)