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=-11.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 E697BC4363A for ; Thu, 29 Oct 2020 16:18:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 776342076E for ; Thu, 29 Oct 2020 16:18:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="Ff96IwCg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726254AbgJ2QST (ORCPT ); Thu, 29 Oct 2020 12:18:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725841AbgJ2QST (ORCPT ); Thu, 29 Oct 2020 12:18:19 -0400 Received: from mail-il1-x144.google.com (mail-il1-x144.google.com [IPv6:2607:f8b0:4864:20::144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80916C0613CF for ; Thu, 29 Oct 2020 09:18:17 -0700 (PDT) Received: by mail-il1-x144.google.com with SMTP id z2so3582779ilh.11 for ; Thu, 29 Oct 2020 09:18:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=to:from:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=ntN5vn0y57nYkQWRakhQFLzyuwW1u93x8+H2aMDTWTE=; b=Ff96IwCgJWckTOnkNQdOIxiNGq5wTVWHUPEPtVLvPuTDJ/tJgD+kfNnx5CHEBi9WzA 8IR29xUzIlC2iQaj0p6cgQffHBnqwMYBCwsKApNDllqVs6UftHHtA3D6KiS6qHgSU1XQ OwCkdaE8JVwQeZlNyh7ucyOcQJqd5LqnixdIwwnwxyYZaSSausoWiM/nEuBLfBJBRiwI WSQo4sFbY7LA1zwQse9Q4hqMPtUO6CZxGyPYtBQ7CUCPzrRXb6DcFlmV55MJvCYWDeN9 bpl0uAO8K2vgXUORRf25GcENbMoPAE/2L4LUeEoiN24YBhZ65alEf/3PxnZjvS4QUHdR 1UJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=ntN5vn0y57nYkQWRakhQFLzyuwW1u93x8+H2aMDTWTE=; b=NuD9nKMiQEjVy1jNnfTL08CUUewsrZ3siZCd8vrHxRgjmLZ1fSw+Agjog2rvWzlX8j 8ZvFPuU2L05sFR712QB9d7wXOotEXvf9atmOE6RCuaXUEOhpF93iEyFkNAnMc3JUiCvK cFxB3P9cGAUK8EMLnW+xGMmItX2wj+9eBtL23t2ueRkzIDB/lVGM2CxBCfy7FYf2XMdZ IXuCv2wnQqdT+Ry+H7msPDv7GQjNGHp7dJTrzWkLQ8ynFiw8U1km4KN2eI8vpvwsdyXu JcxBAgXu3bLmmYYEZxpZ7qrQAdwUHLnGP3WN0inLn6abGM2nh2XEeuYIzuCXs6jTy3JU J4zw== X-Gm-Message-State: AOAM532evau+9WP/yiDtMnovxi2ALtTH0XwWOq44m56QrZKA9kfEw/ER /jk4vB1ELnHFPSTK+w3Pg6bmvpPl2J4q0g== X-Google-Smtp-Source: ABdhPJy3EIx/nLWjeLql8lt/3FL9sXy7dAhWiIuMWtwMagNokeHPOJDz0/gkbDZlrHk7SkaC8/saGg== X-Received: by 2002:a05:6e02:1386:: with SMTP id d6mr3799034ilo.116.1603988296590; Thu, 29 Oct 2020 09:18:16 -0700 (PDT) Received: from [192.168.1.30] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id e11sm2493937ioq.48.2020.10.29.09.18.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Oct 2020 09:18:16 -0700 (PDT) To: Ley Foon Tan , "linux-kernel@vger.kernel.org" From: Jens Axboe Subject: [PATCH] nios32: add support for TIF_NOTIFY_SIGNAL Message-ID: Date: Thu, 29 Oct 2020 10:18:15 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Wire up TIF_NOTIFY_SIGNAL handling for nios32. Cc: Ley Foon Tan Signed-off-by: Jens Axboe --- 5.11 has support queued up for TIF_NOTIFY_SIGNAL, see this posting for details: https://lore.kernel.org/io-uring/20201026203230.386348-1-axboe@kernel.dk/ As part of that work, I'm adding TIF_NOTIFY_SIGNAL support to all archs, as that will enable a set of cleanups once all of them support it. I'm happy carrying this patch if need be, or it can be funelled through the arch tree. Let me know. arch/nios2/include/asm/thread_info.h | 2 ++ arch/nios2/kernel/signal.c | 3 ++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/nios2/include/asm/thread_info.h b/arch/nios2/include/asm/thread_info.h index 7349a4fa635b..272d2c72a727 100644 --- a/arch/nios2/include/asm/thread_info.h +++ b/arch/nios2/include/asm/thread_info.h @@ -86,6 +86,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_MEMDIE 4 /* is terminating due to OOM killer */ #define TIF_SECCOMP 5 /* secure computing */ #define TIF_SYSCALL_AUDIT 6 /* syscall auditing active */ +#define TIF_NOTIFY_SIGNAL 7 /* signal notifications exist */ #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ #define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling @@ -97,6 +98,7 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_SECCOMP (1 << TIF_SECCOMP) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) +#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) #define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) diff --git a/arch/nios2/kernel/signal.c b/arch/nios2/kernel/signal.c index cf2dca2ac7c3..2009ae2d3c3b 100644 --- a/arch/nios2/kernel/signal.c +++ b/arch/nios2/kernel/signal.c @@ -306,7 +306,8 @@ asmlinkage int do_notify_resume(struct pt_regs *regs) if (!user_mode(regs)) return 0; - if (test_thread_flag(TIF_SIGPENDING)) { + if (test_thread_flag(TIF_SIGPENDING) || + test_thread_flag(TIF_NOTIFY_SIGNAL)) { int restart = do_signal(regs); if (unlikely(restart)) { -- 2.29.0 -- Jens Axboe