From patchwork Tue Jan 3 08:13:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 13087296 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 4355DC3DA7D for ; Tue, 3 Jan 2023 08:15:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236992AbjACIPx (ORCPT ); Tue, 3 Jan 2023 03:15:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237011AbjACIPp (ORCPT ); Tue, 3 Jan 2023 03:15:45 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06DD3DF47; Tue, 3 Jan 2023 00:15:41 -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 ams.source.kernel.org (Postfix) with ESMTPS id 42024B80E4B; Tue, 3 Jan 2023 08:15:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77973C433D2; Tue, 3 Jan 2023 08:15:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672733739; bh=Rt+ctlLDG+RcfDhKnOQ3XDWBP/i4HpiT+/Kv3NW5xjc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=scX5rU+AHzWjE++BCOr7F3nCaUZwsYjg46blicWzZrQp2/qRRmkkdV/CX69kABU97 7nR9MuP9gIVlpg2jc8UDFZEJRDB2hssWwVMALZpqkgu3RW68D69f/Ok9ICsQxkGPC2 dnZWpUdxrxUFJI5tP2//53YvCFpZF8dRza3uG5c0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, linux-sh@vger.kernel.org, Jens Axboe Subject: [PATCH 5.10 27/63] sh: add support for TIF_NOTIFY_SIGNAL Date: Tue, 3 Jan 2023 09:13:57 +0100 Message-Id: <20230103081310.209696584@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-sh@vger.kernel.org From: Jens Axboe [ Upstream commit 6d3a273355e3c8471ddf9e8ce9a7cc4472bf1ccc ] Wire up TIF_NOTIFY_SIGNAL handling for sh. Cc: linux-sh@vger.kernel.org Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- arch/sh/include/asm/thread_info.h | 4 +++- arch/sh/kernel/signal_32.c | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-) --- a/arch/sh/include/asm/thread_info.h +++ b/arch/sh/include/asm/thread_info.h @@ -105,6 +105,7 @@ extern void init_thread_xstate(void); #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ +#define TIF_NOTIFY_SIGNAL 3 /* signal notifications exist */ #define TIF_SINGLESTEP 4 /* singlestepping active */ #define TIF_SYSCALL_AUDIT 5 /* syscall auditing active */ #define TIF_SECCOMP 6 /* secure computing */ @@ -116,6 +117,7 @@ extern void init_thread_xstate(void); #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) +#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) @@ -132,7 +134,7 @@ extern void init_thread_xstate(void); #define _TIF_ALLWORK_MASK (_TIF_SYSCALL_TRACE | _TIF_SIGPENDING | \ _TIF_NEED_RESCHED | _TIF_SYSCALL_AUDIT | \ _TIF_SINGLESTEP | _TIF_NOTIFY_RESUME | \ - _TIF_SYSCALL_TRACEPOINT) + _TIF_SYSCALL_TRACEPOINT | _TIF_NOTIFY_SIGNAL) /* work to do on interrupt/exception return */ #define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \ --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -499,7 +499,7 @@ asmlinkage void do_notify_resume(struct unsigned long thread_info_flags) { /* deal with pending signal delivery */ - if (thread_info_flags & _TIF_SIGPENDING) + if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) do_signal(regs, save_r0); if (thread_info_flags & _TIF_NOTIFY_RESUME)