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 8AC1A37312B; Sat, 28 Feb 2026 17:58:25 +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=1772301505; cv=none; b=IpfgXmbqYipRuJ8lrMIX8Bwg+Pyqi77/1uQVtM2yyWnAJP1RjKA0VdVKFzFzPiga5D3B0X6T8U9fybeyhObrxJXTfkEcAhhuww/EoxS8H4gN3+AzUZT2USrmhZW0Tgm3hgtWWH4CD5VwpvYwWNLxzYXFoHLvZcmfhTxKM0OLTP4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301505; c=relaxed/simple; bh=9L1oZcuaQriepnx5tlDnK2zkiVRUhPcE3h+4TexLDM0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qRrD/hQeouy4/epRGBln+TE9Ahyem8/TLOQTvOow/2+LLl0UL65D6xR5tfRdk6K/LbXnzkcHJGjC7NQrNzDqIjXZSz2ztKMdftWhEPpn56cF0g2RuoYOKZBdG7sRJfgV83B4pjSlKdHL/lVreLuBDUcLUgf2iarxQBUaln+zxrw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pTQchcUy; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pTQchcUy" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DC44AC19424; Sat, 28 Feb 2026 17:58:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301505; bh=9L1oZcuaQriepnx5tlDnK2zkiVRUhPcE3h+4TexLDM0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pTQchcUyi9lp9o3IRkwkl0chomM1gHCKwAsmuXM/vM+MDj47IjnM6ArJekxkaL+iy dPBmudhu+Wt4sSLkLFvFaJplGrWPbv6ekJYNHrkv/LbrDfqsVQsedzZreKyF+ydX8r 0jnspcskkhx+heFs9IMXqm4GcRZI8iHHHR1mhUZV6tuQZATb6qM2EHpSLIlTvUo8tG O8QYsxaQSVvMD9AG1j2EqeUIEf0Zn5enYKuVZGNb6RJoAT7Pan0lUmS9t0IApBpAA4 iB06zfdSN6lTeXFoqQppb1WXzvXWhkx1oCz5vPIu40N3Pf4rU0NytDaBsdECNrJ1VB GBpsSHgDaY9EQ== From: Sasha Levin To: patches@lists.linux.dev Cc: Tiezhu Yang , stable@vger.kernel.org, Huacai Chen , Sasha Levin Subject: [PATCH 6.18 690/752] LoongArch: Guard percpu handler under !CONFIG_PREEMPT_RT Date: Sat, 28 Feb 2026 12:46:41 -0500 Message-ID: <20260228174750.1542406-690-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Tiezhu Yang [ Upstream commit 70b0faae3590c628a98a627a10e5d211310169d4 ] After commit 88fd2b70120d ("LoongArch: Fix sleeping in atomic context for PREEMPT_RT"), it should guard percpu handler under !CONFIG_PREEMPT_RT to avoid redundant operations. Cc: stable@vger.kernel.org Signed-off-by: Tiezhu Yang Signed-off-by: Huacai Chen Signed-off-by: Sasha Levin --- arch/loongarch/kernel/unwind_prologue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/loongarch/kernel/unwind_prologue.c b/arch/loongarch/kernel/unwind_prologue.c index 729e775bd40dd..ee1c29686ab05 100644 --- a/arch/loongarch/kernel/unwind_prologue.c +++ b/arch/loongarch/kernel/unwind_prologue.c @@ -65,7 +65,7 @@ static inline bool scan_handlers(unsigned long entry_offset) static inline bool fix_exception(unsigned long pc) { -#ifdef CONFIG_NUMA +#if defined(CONFIG_NUMA) && !defined(CONFIG_PREEMPT_RT) int cpu; for_each_possible_cpu(cpu) { -- 2.51.0