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 7EC4221C9E5; Tue, 2 Dec 2025 18:20:45 +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=1764699645; cv=none; b=ilCslB+JrWAHIJ+xpVAR9RR1G13zd3aUW0Fc1EEk6RRH7RUXUgR35Thczl5w7c4f/nDkswYW/jIOV/q+M5IxiWjDcQenk2FOqZ6ZJL5FCcs/fgY46tIjciFBjATGC2Z+S4xAC4mnu9JWA+CpuUL6X1Mgol0tXbuhNU9z583ZERE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764699645; c=relaxed/simple; bh=kLwNwpHVpLRa7Qyf9zwl9tMTIMo12JxS3eH10qwonPo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=iw5aAQWEGUtUP0MJyk7K1uJxWYLejDkIGT3n7pE6OrR/pVn0ie3/BzbymgvBI88x0z7r61l753/64HSZR47gCfSLg4TKRxrypwcUNMW7rBPkcv94Xkss+grQq2W8AfP1tDlcW0JBqmRaXhRFKF8tH+x7sUY2eEVJsn1hAAzyvvQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Jvf2sfPZ; 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="Jvf2sfPZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C859C4CEF1; Tue, 2 Dec 2025 18:20:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764699645; bh=kLwNwpHVpLRa7Qyf9zwl9tMTIMo12JxS3eH10qwonPo=; h=From:To:Cc:Subject:Date:From; b=Jvf2sfPZnlTfr5dz6doQuVDI9wuPHuJ/gemlxA3GDr9JvOU3ZhHl3z8at2BLTQrSq tnGqvVOqJi9k9vVQlL6iWGOJ+C+1YqwgXVv0mKSY8B4QEp8E25r9rwwxjueIkw77zo 1sIkOY4nGTnorEJnlyH+rTPWYCdYqfD1+w9/P71OgbaH01sMstNSb9fqqFOZgSWJBf th+aEoUZ2F1TzoFJJ0cKU4uTXo2lVkapdhT3BNV/Mw9xUyfIZV4UCpgBGTH++eWvit yjIW4TETZixzoW7ndnGoe0ck0S6pWxv6VhZNypH8c/iZYkoHQABegR6eHoxsrXtmFK CpCSqkwcOsa1g== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, bpf@vger.kernel.org, Andrey Grodzovsky , Petr Mladek , Song Liu , Raja Khan , Miroslav Benes , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Peter Zijlstra Subject: [PATCH 0/2] bpf, x86/unwind/orc: Support reliable unwinding through BPF stack frames Date: Tue, 2 Dec 2025 10:19:17 -0800 Message-ID: X-Mailer: git-send-email 2.51.1 Precedence: bulk X-Mailing-List: live-patching@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Fix livepatch stalls which may be seen when a task is blocked with BPF JIT on its kernel stack. Josh Poimboeuf (2): bpf: Add bpf_has_frame_pointer() x86/unwind/orc: Support reliable unwinding through BPF stack frames arch/x86/kernel/unwind_orc.c | 39 +++++++++++++++++++++++++----------- arch/x86/net/bpf_jit_comp.c | 10 +++++++++ include/linux/bpf.h | 3 +++ kernel/bpf/core.c | 16 +++++++++++++++ 4 files changed, 56 insertions(+), 12 deletions(-) -- 2.51.1