From mboxrd@z Thu Jan 1 00:00:00 1970 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 56D43FA3746 for ; Sat, 29 Oct 2022 23:19:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229636AbiJ2XTA (ORCPT ); Sat, 29 Oct 2022 19:19:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37714 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229728AbiJ2XSx (ORCPT ); Sat, 29 Oct 2022 19:18:53 -0400 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [IPv6:2a03:a000:7:0:5054:ff:fe1c:15ff]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9EB632F008; Sat, 29 Oct 2022 16:18:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=es2LQZ+nRVoUgaLb53NmGXxokQxrFnpTsmJfGV37wCY=; b=LnEzB0aRSO3AFBfNlPrL2rJ1cr 6gOEM/JPvtzfSLMg6/4R6jEUvDcdFkmaXLOLIj6/aQtv/G3DNeOQAYgaHhO3F4LkwtfLrIKCc6FWp 4PsGQh/iBm67PGTxXoDMd1VRCf4gWpsIrU32doBkYpjdb8PIIpiEv6gyGmy32dNeDHuS8mDaJMrAE VWEuGgwh5JxAI5r0wYV8h4Brza3AXQFfP7zQXL09QeCyFW1Spzxng5v/vqwPtgepk3Jk803JnDZ4w 4ItyQp2E873GmkZ3ES4oGCZwHz7S5YCdL6jpKMS53dGxvPk/Kj97AHTSlGSuCVZwyX0aXsb5HLw6z 7BD+z8oA==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.96 #2 (Red Hat Linux)) id 1oov6J-00FOKV-0p; Sat, 29 Oct 2022 23:18:51 +0000 From: Al Viro To: linux-arch@vger.kernel.org Cc: Linus Torvalds , linux-kernel@vger.kernel.org Subject: [PATCH 02/10] kill coredump_params->regs Date: Sun, 30 Oct 2022 00:18:42 +0100 Message-Id: <20221029231850.3668437-2-viro@zeniv.linux.org.uk> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221029231850.3668437-1-viro@zeniv.linux.org.uk> References: <20221029231850.3668437-1-viro@zeniv.linux.org.uk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: Al Viro Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org it's always task_pt_regs(current) Signed-off-by: Al Viro --- fs/binfmt_elf.c | 4 ++-- fs/coredump.c | 1 - include/linux/coredump.h | 1 - 3 files changed, 2 insertions(+), 4 deletions(-) diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 63c7ebb0da89..002fd713ac11 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -2082,7 +2082,7 @@ static int fill_note_info(struct elfhdr *elf, int phdrs, /* now collect the dump for the current */ memset(info->prstatus, 0, sizeof(*info->prstatus)); fill_prstatus(&info->prstatus->common, current, cprm->siginfo->si_signo); - elf_core_copy_regs(&info->prstatus->pr_reg, cprm->regs); + elf_core_copy_regs(&info->prstatus->pr_reg, task_pt_regs(current)); /* Set up header */ fill_elf_header(elf, phdrs, ELF_ARCH, ELF_CORE_EFLAGS); @@ -2109,7 +2109,7 @@ static int fill_note_info(struct elfhdr *elf, int phdrs, /* Try to dump the FPU. */ info->prstatus->pr_fpvalid = - elf_core_copy_task_fpregs(current, cprm->regs, info->fpu); + elf_core_copy_task_fpregs(current, task_pt_regs(current), info->fpu); if (info->prstatus->pr_fpvalid) fill_note(info->notes + info->numnote++, "CORE", NT_PRFPREG, sizeof(*info->fpu), info->fpu); diff --git a/fs/coredump.c b/fs/coredump.c index b4ec1bf889f9..1a474de1e52b 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -525,7 +525,6 @@ void do_coredump(const kernel_siginfo_t *siginfo) static atomic_t core_dump_count = ATOMIC_INIT(0); struct coredump_params cprm = { .siginfo = siginfo, - .regs = task_pt_regs(current), .limit = rlimit(RLIMIT_CORE), /* * We must use the same mm->flags while dumping core to avoid diff --git a/include/linux/coredump.h b/include/linux/coredump.h index 08a1d3e7e46d..a0655d7c149c 100644 --- a/include/linux/coredump.h +++ b/include/linux/coredump.h @@ -18,7 +18,6 @@ struct core_vma_metadata { struct coredump_params { const kernel_siginfo_t *siginfo; - struct pt_regs *regs; struct file *file; unsigned long limit; unsigned long mm_flags; -- 2.30.2