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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42245C33CB3 for ; Tue, 14 Jan 2020 10:06:04 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1575E2467D for ; Tue, 14 Jan 2020 10:06:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Vy+SxnUy"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="kWcupiyU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1575E2467D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fYG5AU6nwo94DTvU9mDOtQschychHnRfrV5qHJhWhfY=; b=Vy+SxnUyDfo+H1 vdGObnoAix3yjvG7sEWb1/WQygOigvJrgLfD9bun9d9TOexCj8ZiF0af+1h16bjrmGRSTy+ccG3ck TlVp87KF4XkRcAikCPz/8L+yx9OAVSsoOgRq+lcXfzg0ondSfY4qVgmUtfbwvCfc3Z6FlK7N5fAbu nmJ+2SNwmbX0aebgJRGmX+l2Q1KR2sVtqLhFumXISGgTQdM8XNzM6m0nRfVxP4tyaTutUTVHedJ8N bEwTepuQBQhWYYK13Fzm98JpERxctkszWraH6vLxVZQF9eP1ofG8dvh2sWE9WkoZjQ8HLcPwpP11F tWbfMpKPUrqZHNEcAiCg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1irJ5H-0005a5-7O; Tue, 14 Jan 2020 10:06:03 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1irJ4m-00057i-SL for linux-arm-kernel@lists.infradead.org; Tue, 14 Jan 2020 10:05:36 +0000 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 06FD02467D; Tue, 14 Jan 2020 10:05:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578996332; bh=YCf5PWWDVWJ847+R08vWx2HT4qX17hPoH9QOn8WjUZE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kWcupiyUgWFzd01gIE+s3gx3MEsfrZw4/TcnkRP86BrLTQqrCHjlq2IVd24yTmbT2 YjD8PpKXxkMyagY6WKIFwk3CHQvnEPcv7Q3au9myctoQymoWAW8RUQaQkbo3pLWj4u 4+owoXnGzGpUryxcRA4KF35pjvFFi4jtPe8KC4IU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Subject: [PATCH 5.4 59/78] arm: Implement copy_thread_tls Date: Tue, 14 Jan 2020 11:01:33 +0100 Message-Id: <20200114094401.337985296@linuxfoundation.org> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200114094352.428808181@linuxfoundation.org> References: <20200114094352.428808181@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200114_020532_940342_8850AEBB X-CRM114-Status: UNSURE ( 9.66 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Greg Kroah-Hartman , Christian Brauner , Amanieu dAntras , linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Amanieu d'Antras commit 167ee0b82429cb5df272808c7a21370b7c961ab2 upstream. This is required for clone3 which passes the TLS value through a struct rather than a register. Signed-off-by: Amanieu d'Antras Cc: linux-arm-kernel@lists.infradead.org Cc: # 5.3.x Link: https://lore.kernel.org/r/20200102172413.654385-4-amanieu@gmail.com Signed-off-by: Christian Brauner Signed-off-by: Greg Kroah-Hartman --- arch/arm/Kconfig | 1 + arch/arm/kernel/process.c | 6 +++--- 2 files changed, 4 insertions(+), 3 deletions(-) --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -73,6 +73,7 @@ config ARM select HAVE_ARM_SMCCC if CPU_V7 select HAVE_EBPF_JIT if !CPU_ENDIAN_BE32 select HAVE_CONTEXT_TRACKING + select HAVE_COPY_THREAD_TLS select HAVE_C_RECORDMCOUNT select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_CONTIGUOUS if MMU --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -224,8 +224,8 @@ void release_thread(struct task_struct * asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); int -copy_thread(unsigned long clone_flags, unsigned long stack_start, - unsigned long stk_sz, struct task_struct *p) +copy_thread_tls(unsigned long clone_flags, unsigned long stack_start, + unsigned long stk_sz, struct task_struct *p, unsigned long tls) { struct thread_info *thread = task_thread_info(p); struct pt_regs *childregs = task_pt_regs(p); @@ -259,7 +259,7 @@ copy_thread(unsigned long clone_flags, u clear_ptrace_hw_breakpoint(p); if (clone_flags & CLONE_SETTLS) - thread->tp_value[0] = childregs->ARM_r3; + thread->tp_value[0] = tls; thread->tp_value[1] = get_tpuser(); thread_notify(THREAD_NOTIFY_COPY, thread); _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel