From patchwork Thu Apr 28 07:25:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 12830111 X-Patchwork-Delegate: bpf@iogearbox.net 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 D485DC433F5 for ; Thu, 28 Apr 2022 07:25:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245201AbiD1H3J (ORCPT ); Thu, 28 Apr 2022 03:29:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37080 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245099AbiD1H2s (ORCPT ); Thu, 28 Apr 2022 03:28:48 -0400 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 108C630F78; Thu, 28 Apr 2022 00:25:28 -0700 (PDT) Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9BxMNpjQWpidk8BAA--.6695S3; Thu, 28 Apr 2022 15:25:25 +0800 (CST) From: Tiezhu Yang To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Jonathan Corbet Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] bpf, docs: Remove duplicated word "instructions" Date: Thu, 28 Apr 2022 15:25:22 +0800 Message-Id: <1651130723-23635-2-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1651130723-23635-1-git-send-email-yangtiezhu@loongson.cn> References: <1651130723-23635-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9BxMNpjQWpidk8BAA--.6695S3 X-Coremail-Antispam: 1UD129KBjvdXoWrtF4UCryftFy3XF18Wr1UAwb_yoWfArg_CF y7tFW5C3Z8Ka4rKr4UCr1UXF97uFWrCr18Ar1jyrsFq34DXa1DAFZ8tryqy343Cr4xuFn8 JrZ7Xr13ArnxCjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbfkYjsxI4VWxJwAYFVCjjxCrM7AC8VAFwI0_Xr0_Wr1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7 IE14v26r18M28IrcIa0xkI8VCY1x0267AKxVWUCVW8JwA2ocxC64kIII0Yj41l84x0c7CE w4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26ryj6F1UM28EF7xvwVC0I7IYx2IY6x kF7I0E14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIE c7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I 8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCF s4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCY02Avz4vE14v_GF4l42xK82IYc2Ij64 vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8G jcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2I x0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK 8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I 0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUxYLvDUUUU X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net The word "instructions" is duplicated, remove it. Signed-off-by: Tiezhu Yang --- Documentation/bpf/instruction-set.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/bpf/instruction-set.rst b/Documentation/bpf/instruction-set.rst index 5300837..30b019c 100644 --- a/Documentation/bpf/instruction-set.rst +++ b/Documentation/bpf/instruction-set.rst @@ -130,7 +130,7 @@ Byte swap instructions The byte swap instructions use an instruction class of ``BFP_ALU`` and a 4-bit code field of ``BPF_END``. -The byte swap instructions instructions operate on the destination register +The byte swap instructions operate on the destination register only and do not use a separate source register or immediate value. The 1-bit source operand field in the opcode is used to to select what byte From patchwork Thu Apr 28 07:25:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tiezhu Yang X-Patchwork-Id: 12830109 X-Patchwork-Delegate: bpf@iogearbox.net 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 7A1A9C433FE for ; Thu, 28 Apr 2022 07:25:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245131AbiD1H2t (ORCPT ); Thu, 28 Apr 2022 03:28:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245108AbiD1H2s (ORCPT ); Thu, 28 Apr 2022 03:28:48 -0400 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 81BBE2F392; Thu, 28 Apr 2022 00:25:29 -0700 (PDT) Received: from linux.localdomain (unknown [113.200.148.30]) by mail.loongson.cn (Coremail) with SMTP id AQAAf9BxMNpjQWpidk8BAA--.6695S4; Thu, 28 Apr 2022 15:25:25 +0800 (CST) From: Tiezhu Yang To: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Jonathan Corbet Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] bpf, docs: BPF_FROM_BE exists as alias for BPF_TO_BE Date: Thu, 28 Apr 2022 15:25:23 +0800 Message-Id: <1651130723-23635-3-git-send-email-yangtiezhu@loongson.cn> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1651130723-23635-1-git-send-email-yangtiezhu@loongson.cn> References: <1651130723-23635-1-git-send-email-yangtiezhu@loongson.cn> X-CM-TRANSID: AQAAf9BxMNpjQWpidk8BAA--.6695S4 X-Coremail-Antispam: 1UD129KBjvdXoW7GrWrJryUJrWruF47WF17KFg_yoW3Zrg_CF 1kJ3Z5Wa1rCryruw1UWF1xCF97AFWrur4UA3WIyF4DAayqqws8Cr98W34DArWUGrW7u398 CrZ3Wry3ZrnrGjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbfkYjsxI4VWxJwAYFVCjjxCrM7AC8VAFwI0_Wr0E3s1l1xkIjI8I 6I8E6xAIw20EY4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7 IE14v26r15M28IrcIa0xkI8VCY1x0267AKxVW8JVW5JwA2ocxC64kIII0Yj41l84x0c7CE w4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26ryj6F1UM28EF7xvwVC0I7IYx2IY6x kF7I0E14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIE14v26F4UJVW0owA2z4x0Y4vEx4A2jsIE c7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I 8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r4j6F4UMcvjeVCF s4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCY02Avz4vE14v_GF4l42xK82IYc2Ij64 vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8G jcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2I x0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK 8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I 0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUs8sqDUUUU X-CM-SenderInfo: p1dqw3xlh2x3gn0dqz5rrqw2lrqou0/ Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: bpf@iogearbox.net According include/uapi/linux/bpf.h: #define BPF_FROM_LE BPF_TO_LE #define BPF_FROM_BE BPF_TO_BE BPF_FROM_BE exists as alias for BPF_TO_BE instead of BPF_TO_LE. Signed-off-by: Tiezhu Yang --- Documentation/bpf/instruction-set.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/bpf/instruction-set.rst b/Documentation/bpf/instruction-set.rst index 30b019c..00b0800 100644 --- a/Documentation/bpf/instruction-set.rst +++ b/Documentation/bpf/instruction-set.rst @@ -157,7 +157,7 @@ Examples: dst_reg = htobe64(dst_reg) ``BPF_FROM_LE`` and ``BPF_FROM_BE`` exist as aliases for ``BPF_TO_LE`` and -``BPF_TO_LE`` respetively. +``BPF_TO_BE`` respetively. Jump instructions