From nobody Sun Feb 8 05:37:31 2026 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 E245A2FD1CA for ; Tue, 3 Feb 2026 21:59:41 +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=1770155982; cv=none; b=QACkTEXnb0PfyYbVPvusqgPB7DHh/FK+q6dMcVCHYdT8mCprMLtfEFxkQ36PVyErn+Nf0fQAicLKxMD/D/lObYtwSTs5DXhdQIZm14vLkPHZiH4DmpHMls8jdGMeU/+S5xd9UMooUVYGdIqHV99GmnjCRT8xe7Ra6W8buWuIPWw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770155982; c=relaxed/simple; bh=l3lv70WuHdd5JyfupJcNBHPFun7DR3XERVrXmaUS9K4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YgmXoU0/9zlJIMcTLX+yk+vvVLot7b3z9wQPi+vuybqvvh7noGE8ejXOjwup77HZNvjGciTrEQcWQp61u/Fk+jKaASvvP89H9bb56VmwBD+FEoUhkzYnRL+R3E5aiE4nKVkXAGXlge6kobGz/qPyUhdkY3ujwTR2azY1/4/gE2c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jwhm2+dg; 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="jwhm2+dg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9A9B3C19425; Tue, 3 Feb 2026 21:59:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770155981; bh=l3lv70WuHdd5JyfupJcNBHPFun7DR3XERVrXmaUS9K4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jwhm2+dguK84Z490HBA8W5Kdygf8hULbUbE+8TMOuYbHD4AtW5gNDCT+sfWcMGW75 eWJAQYBBwtLWy+mUjCbJ1rDo+xQvdWKDWfdnEQ5JKP0FI6WwmZksVlwI7bWX7V8PaR UK/jHgPBaxgqOXMMNZEdj+Di+W+xaF+FkDeU3dyqyxLmi6d6c9SdZz6Ae++4NdCFz4 noUQbJ+ZuEecRd+4zz4ZCgyEn07JvO2/WACdxy1BmrUgUTCl+D3rdDJbLz0wS/Qv/o zc5r5iBbWlOEF8nt2hvYaMM+aOX1TEFyiWAK7Yzc+zoCV5zt2NOuNsl17NUSjJ5D1h L44qAtN9us5zw== From: Josh Poimboeuf To: Steven Rostedt Cc: linux-kernel@vger.kernel.org, Peter Zijlstra , Julia Lawall Subject: [PATCH 2/2] unwind: Fix return value for already-queued case in unwind_deferred_request() Date: Tue, 3 Feb 2026 13:59:33 -0800 Message-ID: X-Mailer: git-send-email 2.52.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The unwind_deferred_request() return value is documented in the function header: * Return: 0 if the callback successfully was queued. * 1 if the callback is pending or was already executed. * Negative if there's an error. However, when the callback is already queued, it may return a non-1 value. Fix it to match the documented behavior. Fixes: be3d526a5b34 ("unwind deferred: Use bitmask to determine which callb= acks to call") Signed-off-by: Josh Poimboeuf --- kernel/unwind/deferred.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/unwind/deferred.c b/kernel/unwind/deferred.c index 416af9b98bad..edf39c61130a 100644 --- a/kernel/unwind/deferred.c +++ b/kernel/unwind/deferred.c @@ -282,7 +282,7 @@ int unwind_deferred_request(struct unwind_work *work, u= 64 *cookie) * have also set pending and queued a callback. */ WARN_ON_ONCE(!(old_mask & UNWIND_PENDING)); - return old_mask & bit_mask; + return !!(old_mask & bit_mask); } =20 /* The work has been claimed, now schedule it. */ --=20 2.52.0