From patchwork Tue Jan 3 08:13:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 13087301 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 C60F7C54EBD for ; Tue, 3 Jan 2023 08:15:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236972AbjACIPl (ORCPT ); Tue, 3 Jan 2023 03:15:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237000AbjACIPa (ORCPT ); Tue, 3 Jan 2023 03:15:30 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E7CEFDF8A; Tue, 3 Jan 2023 00:15:24 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 86146611FA; Tue, 3 Jan 2023 08:15:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 830E7C433D2; Tue, 3 Jan 2023 08:15:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672733724; bh=54lcWpF+12GAxUbD5FhfBUU9aVVa6z40nDeaFbT44MM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=b+bmZF9/MRW8k9uXOCDoRSp6Jz1vJE8HDky+1bc8rwnH3RH01ItTzbY57iOsNYL2V ZibYhm5kGJdUXPx4gYEucOX1kjNWGU8rMIiF6Jv5K2ejVJF61sgA7Ek/VbKbIzq8Sp kA/oH5LcdZTuBeXITxA/zZ3iAbQDGaD48hk8Ipf4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, linux-parisc@vger.kernel.org, Helge Deller , Jens Axboe Subject: [PATCH 5.10 22/63] parisc: add support for TIF_NOTIFY_SIGNAL Date: Tue, 3 Jan 2023 09:13:52 +0100 Message-Id: <20230103081309.895547605@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230103081308.548338576@linuxfoundation.org> References: <20230103081308.548338576@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org From: Jens Axboe [ Upstream commit 18cb3281285d2190c0605d2e53543802319bd1a1 ] Wire up TIF_NOTIFY_SIGNAL handling for parisc. Cc: linux-parisc@vger.kernel.org Acked-by: Helge Deller Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- arch/parisc/include/asm/thread_info.h | 4 +++- arch/parisc/kernel/signal.c | 3 ++- 2 files changed, 5 insertions(+), 2 deletions(-) --- a/arch/parisc/include/asm/thread_info.h +++ b/arch/parisc/include/asm/thread_info.h @@ -52,6 +52,7 @@ struct thread_info { #define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define TIF_32BIT 4 /* 32 bit binary */ #define TIF_MEMDIE 5 /* is terminating due to OOM killer */ +#define TIF_NOTIFY_SIGNAL 6 /* signal notifications exist */ #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ #define TIF_NOTIFY_RESUME 8 /* callback before returning to user */ #define TIF_SINGLESTEP 9 /* single stepping? */ @@ -61,6 +62,7 @@ struct thread_info { #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) +#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) #define _TIF_32BIT (1 << TIF_32BIT) @@ -72,7 +74,7 @@ struct thread_info { #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | \ - _TIF_NEED_RESCHED) + _TIF_NEED_RESCHED | _TIF_NOTIFY_SIGNAL) #define _TIF_SYSCALL_TRACE_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \ _TIF_BLOCKSTEP | _TIF_SYSCALL_AUDIT | \ _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT) --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -609,7 +609,8 @@ do_signal(struct pt_regs *regs, long in_ void do_notify_resume(struct pt_regs *regs, long in_syscall) { - if (test_thread_flag(TIF_SIGPENDING)) + if (test_thread_flag(TIF_SIGPENDING) || + test_thread_flag(TIF_NOTIFY_SIGNAL)) do_signal(regs, in_syscall); if (test_thread_flag(TIF_NOTIFY_RESUME))