From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-x32d.google.com (mail-wm1-x32d.google.com [IPv6:2a00:1450:4864:20::32d]) by sourceware.org (Postfix) with ESMTPS id 4FF8F3982046 for ; Mon, 10 May 2021 17:56:36 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 4FF8F3982046 Received: by mail-wm1-x32d.google.com with SMTP id a10-20020a05600c068ab029014dcda1971aso9539935wmn.3 for ; Mon, 10 May 2021 10:56:36 -0700 (PDT) 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:mime-version:content-transfer-encoding; bh=1C07pbVfBci82UwrAObKhnILR5DtdOchkev/ZB7utXg=; b=FKrhKu9FlZUmtacm+fhz70yv9H1CthJxnbgKMFOY1vKyqnOMV8xdc5cpp/IJIC632K 7C4I1g3HSfLPHrHe62YGgxz1dlfWy9OQPGLWJP12yEn0rFxm/oW67/r0apxnapJf8IUL H5zda9VXyK/cdFoX9qvzO7gX2Onf0Z4lIIcS6SkInsBpRL0XxkLXp0QSjZ6pIx3F8x91 DBdTUpTmmaFeJeuttWkkBCw6u1v9+MV/ISGmZdAipGLRE/+8Pckayb1aRQHqjKdGLNwY I87PmTUuooByICsAyNkgBW/EnWwPwvhhtiJw3NJazZQfWfqeWm0cVUdosyHgOBSVGJiL lW5w== X-Gm-Message-State: AOAM5308CPjf1HnfybIReN+YUcad3cDXBez6HtaZvud7++PBn26/8IwN 959XgrbPQeLYMoV7nWg/3nI= X-Google-Smtp-Source: ABdhPJz/sHuprn/NSrqA6hjwON4cmTD5ktxZbpMQdvPDL08v36+xQpW3B8tfMtxiqOS6cWlnjOzRBw== X-Received: by 2002:a05:600c:35d2:: with SMTP id r18mr16885113wmq.23.1620669395491; Mon, 10 May 2021 10:56:35 -0700 (PDT) Received: from sqli.sqli.com ([195.53.121.100]) by smtp.googlemail.com with ESMTPSA id m13sm24318830wrw.86.2021.05.10.10.56.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 May 2021 10:56:35 -0700 (PDT) From: Alejandro Colomar To: mtk.manpages@gmail.com Cc: Florian Weimer , Jakub Wilk , Alejandro Colomar , linux-man@vger.kernel.org, libc-alpha@sourceware.org Subject: [PATCH 13/39] kexec_load.2: Use syscall(SYS_...); for system calls without a wrapper Date: Mon, 10 May 2021 19:55:22 +0200 Message-Id: <20210510175546.28445-14-alx.manpages@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210510175546.28445-1-alx.manpages@gmail.com> References: <20210510175546.28445-1-alx.manpages@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-12.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 May 2021 17:56:37 -0000 Signed-off-by: Alejandro Colomar --- man2/kexec_load.2 | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/man2/kexec_load.2 b/man2/kexec_load.2 index 62a3e2006..74f142355 100644 --- a/man2/kexec_load.2 +++ b/man2/kexec_load.2 @@ -29,18 +29,23 @@ kexec_load, kexec_file_load \- load a new kernel for later execution .SH SYNOPSIS .nf -.B #include +.BR "#include " " /* Definition of " KEXEC_* " constants */" +.BR "#include " " /* Definition of " SYS_* " constants */" +.B #include .PP -.BI "long kexec_load(unsigned long " entry ", unsigned long " nr_segments , -.BI " struct kexec_segment *" segments , -.BI " unsigned long " flags ); -.BI "long kexec_file_load(int " kernel_fd ", int " initrd_fd , -.BI " unsigned long " cmdline_len ", const char *" cmdline , -.BI " unsigned long " flags ); +.BI "long syscall(SYS_kexec_load, unsigned long " entry , +.BI " unsigned long " nr_segments \ +", struct kexec_segment *" segments , +.BI " unsigned long " flags ); +.BI "long syscall(SYS_kexec_file_load, int " kernel_fd ", int " initrd_fd , +.BI " unsigned long " cmdline_len ", const char *" cmdline , +.BI " unsigned long " flags ); .fi .PP .IR Note : -There are no glibc wrappers for these system calls; see NOTES. +glibc provides no wrappers for these system calls, +necessitating the use of +.BR syscall (2). .SH DESCRIPTION The .BR kexec_load () @@ -332,9 +337,6 @@ The system call first appeared in Linux 3.17. .SH CONFORMING TO These system calls are Linux-specific. -.SH NOTES -Glibc does not provide a wrapper for these system calls; call them using -.BR syscall (2). .SH SEE ALSO .BR reboot (2), .BR syscall (2), -- 2.31.1