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 64EE741B8F6; Sat, 28 Feb 2026 17:45:40 +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=1772300740; cv=none; b=CsS7D2oCSx/zNqTQae591FyR+LrDxFwjrIHHxudZpRqT0TBbew5OgOTKtyr/fqWLDZFCS2UzUzhZCVQWNHm6LYqN50T3i0w8YfFfqtRb3DwMa2TKWONozS6i7vwpQnsOmnCQ2lkrlvR2whKOmRwhE4PTMg5qd+3aWwvd5qdlpHs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300740; c=relaxed/simple; bh=9L1oZcuaQriepnx5tlDnK2zkiVRUhPcE3h+4TexLDM0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=h/re/iahGN0Dif18Ju3pgLw4Iy8k3E4AcdznYzC8E+Vt62oCQI0tmvsMnuJc0AvyRmkZf9zOAlG525jzqq5jUeRiuvRVYYM0K2ccVMiF+MQsmTIgRggC6Nwrf9XyMFxE/qkvRLTmu+v+JSXwjeparJ5+68TV/czuANDcMTQcK3o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=thGywmJz; 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="thGywmJz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AF4C4C2BC87; Sat, 28 Feb 2026 17:45:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300740; bh=9L1oZcuaQriepnx5tlDnK2zkiVRUhPcE3h+4TexLDM0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=thGywmJzcYdpFTmGkEMUwX1xhWr2Hk9QKeQCM4qnslngNr/U7M3EKASSmHys/FkS0 0clQEfM6aIY6iulRwODVoU7ft2ro5HFQlWlaZRV0SqoiAc0ZMaUyG9wYkLT7RCOsts jHChNfhDL9KI27jURFogjkZTfLVWnAGrxQTsvfMKlu1WiCJicl1RRPtmZ2ODR2iv7S RMfUOa94UTHfYEEwJ79yCYKs+l2S/2OckkITK0Pu/FoIYe0nirOSZATbvNtsPWp8vv Z/yqjmvQvG6bVeg59RvPxbzbHsR//Hpv4u3PJhgRZbD2R2+UEg03tzjj28tvt7EIt5 /S0N1yFU1Awyg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tiezhu Yang , Huacai Chen , Sasha Levin Subject: [PATCH 6.19 775/844] LoongArch: Guard percpu handler under !CONFIG_PREEMPT_RT Date: Sat, 28 Feb 2026 12:31:28 -0500 Message-ID: <20260228173244.1509663-776-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-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