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 6D3E7225D9; Sun, 1 Sep 2024 17:01:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725210084; cv=none; b=tQOcPOhtP3h1jIXiJ12WDvGbOwR6s1IiOJFL10XSwWLDEhcLha+xeGVrTJnRzrF4UB8Z/uhkvnxYgQyEJly0HXgKjraAu/dPx1nJV6v4CQwZXrem1PPRhdZwAlweGFNzWo2TQRJDGlYaAXUT7halD1PTy5jhvEiJXsBW3ZcKy7Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725210084; c=relaxed/simple; bh=DO0jdaCyd1Z0YYF3b+gpOd/aIa0T3k/GwM0Ii3TWpSA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=d2A9APtDK603PCquydn3kO6fzbnLUFy4fOqCILxv8ggebuLAfU+H4MfFJHJOEsrbHBde3nCjb2+cu7itYj8Pix/o8HwPbIGsMRufg77wmknYZqGYbpipDHfiXHaDr6J+VfKw4vfezqkIWnmK9Nio4jozBUZpjmIgDgPidHewIL0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=FXm3bWww; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="FXm3bWww" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0ECEC4CEC3; Sun, 1 Sep 2024 17:01:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725210084; bh=DO0jdaCyd1Z0YYF3b+gpOd/aIa0T3k/GwM0Ii3TWpSA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=FXm3bWwwnF63McN8vAEkx/rzaHWgYJ/qIE2np82FVAUpFLKMPh0NZwmBF4O8msA8C e08sx2ODMDqVxMKyLJGXXofB/aKHSo7xle2qfpwHsndrnodzjZGdXMvzgv+XuoHN46 20HLvuw917Hcn34JY+bP9oM6vWL1XkMgcgL9gFkk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Helge Deller , Sasha Levin Subject: [PATCH 5.15 084/215] parisc: Use irq_enter_rcu() to fix warning at kernel/context_tracking.c:367 Date: Sun, 1 Sep 2024 18:16:36 +0200 Message-ID: <20240901160826.531858009@linuxfoundation.org> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240901160823.230213148@linuxfoundation.org> References: <20240901160823.230213148@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Helge Deller [ Upstream commit 73cb4a2d8d7e0259f94046116727084f21e4599f ] Use irq*_rcu() functions to fix this kernel warning: WARNING: CPU: 0 PID: 0 at kernel/context_tracking.c:367 ct_irq_enter+0xa0/0xd0 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.7.0-rc3-64bit+ #1037 Hardware name: 9000/785/C3700 IASQ: 0000000000000000 0000000000000000 IAOQ: 00000000412cd758 00000000412cd75c IIR: 03ffe01f ISR: 0000000000000000 IOR: 0000000043c20c20 CPU: 0 CR30: 0000000041caa000 CR31: 0000000000000000 ORIG_R28: 0000000000000005 IAOQ[0]: ct_irq_enter+0xa0/0xd0 IAOQ[1]: ct_irq_enter+0xa4/0xd0 RP(r2): irq_enter+0x34/0x68 Backtrace: [<000000004034a3ec>] irq_enter+0x34/0x68 [<000000004030dc48>] do_cpu_irq_mask+0xc0/0x450 [<0000000040303070>] intr_return+0x0/0xc Signed-off-by: Helge Deller Signed-off-by: Sasha Levin --- arch/parisc/kernel/irq.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index 5d9044e65a1a6..04127377b7be8 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -518,7 +518,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) old_regs = set_irq_regs(regs); local_irq_disable(); - irq_enter(); + irq_enter_rcu(); eirr_val = mfctl(23) & cpu_eiem & per_cpu(local_ack_eiem, cpu); if (!eirr_val) @@ -553,7 +553,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) #endif /* CONFIG_IRQSTACKS */ out: - irq_exit(); + irq_exit_rcu(); set_irq_regs(old_regs); return; -- 2.43.0