From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Mon, 05 Feb 2007 14:28:01 +0000 (GMT) Received: from hu-out-0506.google.com ([72.14.214.233]:5799 "EHLO hu-out-0506.google.com") by ftp.linux-mips.org with ESMTP id S20037715AbXBEO0c (ORCPT ); Mon, 5 Feb 2007 14:26:32 +0000 Received: by hu-out-0506.google.com with SMTP id 22so786011hug for ; Mon, 05 Feb 2007 06:25:32 -0800 (PST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:to:cc:subject:date:message-id:x-mailer:in-reply-to:references:from; b=eHmTgSEj1bGZKd1GIgzN9ch5/pjaAxlF0kGm2Be9/44dCoOdG2d8sjakVtSE5RNEgJjGVmW/VpG4M8vhVFE/qYxrGQaW5YNMO3Fh+PHRLE14WSs/lkjb2Nngei6RbA0SWYOp28H2eK9oJpX97pD+4j1FmMjpNcpoFelZwgccc54= Received: by 10.48.48.18 with SMTP id v18mr2279253nfv.1170685531584; Mon, 05 Feb 2007 06:25:31 -0800 (PST) Received: from spoutnik.innova-card.com ( [81.252.61.1]) by mx.google.com with ESMTP id k23sm27230792nfc.2007.02.05.06.25.30; Mon, 05 Feb 2007 06:25:30 -0800 (PST) Received: by spoutnik.innova-card.com (Postfix, from userid 500) id DCFC823F777; Mon, 5 Feb 2007 15:24:29 +0100 (CET) To: ralf@linux-mips.org Cc: linux-mips@linux-mips.org, Franck Bui-Huu Subject: [PATCH 8/10] signal32: no need to save c0_status register in setup_sigcontext32() Date: Mon, 5 Feb 2007 15:24:26 +0100 Message-Id: <11706854691838-git-send-email-fbuihuu@gmail.com> X-Mailer: git-send-email 1.4.4.3.ge6d4 In-Reply-To: <11706854683935-git-send-email-fbuihuu@gmail.com> References: <11706854683935-git-send-email-fbuihuu@gmail.com> From: Franck Bui-Huu Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 13931 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: vagabon.xyz@gmail.com Precedence: bulk X-list: linux-mips From: Franck Bui-Huu All the information in the MIPS c0_status register is priviledged. Nothing that would constitute part of the thread context. The one flag one could possibly argument about might be c0_status.fr but none of the ABIs or tools or application software can make use of it. So for consistency with restore_sigcontext32(), which does not restore c0_status register, this patch remove the saving part. Signed-off-by: Franck Bui-Huu --- arch/mips/kernel/signal32.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 5d102ef..0994d6e 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -170,7 +170,6 @@ static int setup_sigcontext32(struct pt_regs *regs, int i; err |= __put_user(regs->cp0_epc, &sc->sc_pc); - err |= __put_user(regs->cp0_status, &sc->sc_status); err |= __put_user(0, &sc->sc_regs[0]); for (i = 1; i < 32; i++) -- 1.4.4.3.ge6d4