From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752033Ab1EFFLp (ORCPT ); Fri, 6 May 2011 01:11:45 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:55942 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751400Ab1EFFLo convert rfc822-to-8bit (ORCPT ); Fri, 6 May 2011 01:11:44 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=I8IKfN/4o7gKDEkWs6uhT9VzYRvd9F1iBWO11hm744cSzlw6rXSV2LJvG28J+rMu2a QEw6yfHJTmDiLqhUfofRbPkGkXTTxKQ9w0oYMuiWWnQYrwIjajqkFc2wqev59oFqobbv mw7QwenMf6v0/F2AumiNpLJlnAF7HOO5HpI2E= MIME-Version: 1.0 In-Reply-To: <201105052237.11656.arnd@arndb.de> References: <201105050824.34056.arnd@arndb.de> <201105052237.11656.arnd@arndb.de> Date: Fri, 6 May 2011 07:11:42 +0200 X-Google-Sender-Auth: znE4lW3ySX8ajmmN3KBKN5EKKok Message-ID: Subject: Re: [PATCH] m68k: Merge mmu and non-mmu versions of sys_call_table From: Geert Uytterhoeven To: Arnd Bergmann Cc: "Linux/m68k" , Greg Ungerer , Linux Kernel Development , uClinux list Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 5, 2011 at 22:37, Arnd Bergmann wrote: > On Thursday 05 May 2011 20:44:20 Geert Uytterhoeven wrote: >> recvmmsg is a false positive, as we set __ARCH_WANT_SYS_SOCKETCALL. > > This looks really strange. The commit that introduced recvmmsg (a2e27255) > added it to both socketcall and as a separate syscall in a number of > architectures, without a good reason for it. I guess it's too late > to change that now, but we should at least fix the script so we > don't report it missing when socketcall is set. Some architectures don't use socketcall, so they use a separate syscall. IIRC, powerpc is migrating away from socketcall (commit 86250b9d12caa1a3dee12a7cf638b7dd70eaadb6, "powerpc: Wire up direct socket system calls"), hence they added a separate call for it. > However, if your unistd.h has defined __NR_recvmmsg before, you should > probably add it to the syscall table, just in case that someone built > a binary with that number. We never had it. BTW, we have a hole at 218/219. I don't remember why, but it may have been a placeholder for pselect6 and ppoll when that implementation was still in flux. Couldn't find anything about it in git/cvs archives, so I'll check have to check my old mailing list archives... Gr{oetje,eeting}s,                         Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that.                                 -- Linus Torvalds