From nobody Sat Jul 25 18:53:57 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 DA8C3364941; Tue, 14 Jul 2026 23:09:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784070558; cv=none; b=Jvzy5n0W6aVAL7NPsIzdeQSjqHwzxFv9DgEU4ptr+/3ChBHveD1a8OXUcrnAKl3zcfQmPOlj8sw2IFGv2XmLvKahRh/QgOYI7ZlHRu9zo6jHqUr6DDyJ4T1IgNx4qwlhWRCVzWyuH8lPAJX6gVNbtU8CPtwTkuB1smuKtcco5VY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784070558; c=relaxed/simple; bh=EgZZahlAWYEkBSLjvUc3PjhpEvHQhBWLVcnulYbyUGw=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=Ycer49o6e1axN/cSO+QhhrZ6ix6RWxf3eYfxU2jkF0vclYtsbOcyOBmados4opojSvhhqc6Ht16cBXYEW7JpexHU1TsDVV6hwGtXfsDjpARXvL4Ruz+lgEMpLWNTYG6rFEgiQH8qY9eBGKDAmj+K1gvvJd6nYjTmVQm0Fw6bgaA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=um34+P02; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=39DQJSZw; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="um34+P02"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="39DQJSZw" Date: Tue, 14 Jul 2026 23:09:07 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1784070549; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=y/TNCrX1Is0i4BvFpS3BmHb75jU860CRAYBjvjxpj+E=; b=um34+P02wDF5Tcc/R1m2wSjU61LhyTUT4LirfUfugMEy3gAUvjDtJKWlkTIEUrsqgPpMsA hbS+iv0xQRqo6QSKo2CxdGQrFWGHFDCgATL1BWCewsJkHTR5ck6uzViRePOTChfDKZLsX3 HlEiAb8ZebWeWYlmvXwl66QwNzE1JKhMH38Q07H8OiKQf1xTMY8v6hICftEkFyiT51iovl avh+dkT1pXqos/LOpvZ26LJ3COwaMvbh+6wZV0BI/Hcd8sI0ot30tXFx6/SUCHUEPYKAG7 OvjO5lRZBcpc1usMeINjnLHo2lrRlzv5b5qkKSFX82VoSMrlwEleqoIRgjVzow== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1784070549; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=y/TNCrX1Is0i4BvFpS3BmHb75jU860CRAYBjvjxpj+E=; b=39DQJSZwb0bYeOqmhDH6Vk7ZjlzXIzenLyb/kaf5tZpVLrVJ4R8pBREgRbh2QdMFtgD3Ss Dkk4ClVolami9kAg== From: "tip-bot2 for David Stevens" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/entry] x86/entry/fred: Encode frame pointer on entry Cc: David Stevens , Dave Hansen , "H. Peter Anvin (Intel)" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20260424191456.2679717-12-stevensd@google.com> References: <20260424191456.2679717-12-stevensd@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <178407054780.1844600.12500969285026740435.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the x86/entry branch of tip: Commit-ID: dab01c597f6bd40e0efe7da967b8374ca1971b79 Gitweb: https://git.kernel.org/tip/dab01c597f6bd40e0efe7da967b8374ca= 1971b79 Author: David Stevens AuthorDate: Fri, 24 Apr 2026 12:14:54 -07:00 Committer: Dave Hansen CommitterDate: Tue, 14 Jul 2026 11:08:12 -07:00 x86/entry/fred: Encode frame pointer on entry Add missing ENCODE_FRAME_POINTER macro invocation into FRED_ENTER macro, to prevent the unwinder from encountering a NULL stack frame pointer when CONFIG_UNWINDER_FRAME_POINTER is enabled Fixes: 14619d912b65 ("x86/fred: FRED entry/exit and dispatch code") Signed-off-by: David Stevens Signed-off-by: Dave Hansen Acked-by: H. Peter Anvin (Intel) Link: https://patch.msgid.link/20260424191456.2679717-12-stevensd@google.com --- arch/x86/entry/entry_64_fred.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/entry/entry_64_fred.S b/arch/x86/entry/entry_64_fred.S index 0d2768a..b98f894 100644 --- a/arch/x86/entry/entry_64_fred.S +++ b/arch/x86/entry/entry_64_fred.S @@ -7,6 +7,7 @@ #include =20 #include +#include #include #include =20 @@ -19,6 +20,7 @@ UNWIND_HINT_END_OF_STACK ANNOTATE_NOENDBR PUSH_AND_CLEAR_REGS + ENCODE_FRAME_POINTER movq %rsp, %rdi /* %rdi -> pt_regs */ .endm =20