From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C3EE21873 for ; Tue, 3 Jan 2023 08:17:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29C8AC433F0; Tue, 3 Jan 2023 08:17:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672733827; bh=b0Kucyb2ql/kHHPCrUlcNegZWffcedsOdFEfMLeOiIE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VccoWS+BTcLsTqySX3pfhkAz+FF9e6hX2unsglrEXPVZLzWfBn0P8yyQTpErQSUTy K/7dIJTnTdsNjS/YfMRRjILhMtemYlpwsPj1IaZowOvh8pv4ou+MByt5t975mW0Lar ezYdt00MwgpUjW3HyBOFymWSC2kfvWmPpeRyKqb0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nick Hu , Greentime Hu , Vincent Chen , Jens Axboe Subject: [PATCH 5.10 38/63] nds32: add support for TIF_NOTIFY_SIGNAL Date: Tue, 3 Jan 2023 09:14:08 +0100 Message-Id: <20230103081310.864434606@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 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Jens Axboe [ Upstream commit b13e8bf615fe26fb6a6dfe1b5a1c65e1624dfee2 ] Wire up TIF_NOTIFY_SIGNAL handling for nds32. Cc: Nick Hu Cc: Greentime Hu Cc: Vincent Chen Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- arch/nds32/include/asm/thread_info.h | 2 ++ arch/nds32/kernel/ex-exit.S | 2 +- arch/nds32/kernel/signal.c | 2 +- 3 files changed, 4 insertions(+), 2 deletions(-) --- a/arch/nds32/include/asm/thread_info.h +++ b/arch/nds32/include/asm/thread_info.h @@ -48,6 +48,7 @@ struct thread_info { #define TIF_NEED_RESCHED 2 #define TIF_SINGLESTEP 3 #define TIF_NOTIFY_RESUME 4 /* callback before returning to user */ +#define TIF_NOTIFY_SIGNAL 5 /* signal notifications exist */ #define TIF_SYSCALL_TRACE 8 #define TIF_POLLING_NRFLAG 17 #define TIF_MEMDIE 18 @@ -57,6 +58,7 @@ struct thread_info { #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) +#define _TIF_NOTIFY_SIGNAL (1 << TIF_NOTIFY_SIGNAL) #define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG) --- a/arch/nds32/kernel/ex-exit.S +++ b/arch/nds32/kernel/ex-exit.S @@ -120,7 +120,7 @@ work_pending: andi $p1, $r1, #_TIF_NEED_RESCHED bnez $p1, work_resched - andi $p1, $r1, #_TIF_SIGPENDING|#_TIF_NOTIFY_RESUME + andi $p1, $r1, #_TIF_SIGPENDING|#_TIF_NOTIFY_RESUME|#_TIF_NOTIFY_SIGNAL beqz $p1, no_work_pending move $r0, $sp ! 'regs' --- a/arch/nds32/kernel/signal.c +++ b/arch/nds32/kernel/signal.c @@ -376,7 +376,7 @@ static void do_signal(struct pt_regs *re asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int thread_flags) { - if (thread_flags & _TIF_SIGPENDING) + if (thread_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) do_signal(regs); if (thread_flags & _TIF_NOTIFY_RESUME)