From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 9A6F340D594 for ; Fri, 19 Jun 2026 05:40:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781847611; cv=none; b=o0S4kuUqEVWewUjPBGBZCjEtzbbTtEDp3zZcbLSHzibi9GGcyFryTKZJg+N9B1Wh09PhEQczxX8K1j5+8zT+qvaqAGPNjjxRipyNhzRkm899QhCFW6LZ4s22UAHQIIksrGKAe4oIxUDRGP0FJwW7FAhF8uTXYUzFLFkYkqrJ26Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781847611; c=relaxed/simple; bh=T7rNpxPHz64RIbJJQx8Y3MNjCxE6fUYmNlgby3Rl4c8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=WD598RdBg12bLd5Xon1AxSbFIrkGhZIr/NF5X2nNMumi/mvNHN8tnMCAnoiYSUBfvjemMe5vRsm2yjjhd0gr+I0XObd4ff6D3xUCx8yDWVXJNYtCq9Se1XALLQDAk05a1Ya7PkLXLSpjDCmD7d+fhFEUk+0Glo9hu3nPwAhU884= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=W65T20s8; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="W65T20s8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A71C1F000E9; Fri, 19 Jun 2026 05:40:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1781847610; bh=kDP4ChyqcfH1FgqynMDN3E55iirmCZRh6YE5e4sRWyE=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=W65T20s8lSoO90yu2czF+SA2XtgWx9f9KaDYurv22/d9sKsYhbiLwHNONzn7XF5mE j2zNjZKTlZX1UyJhB2em6wgzvSKhhTALbeytuUqV99S9Vgdwcqvss+bBokbQB7npU1 h1FFQVzfT2W1A9omfHtM4SCvKumwo/rdVdpuSfTc= Date: Fri, 19 Jun 2026 07:39:03 +0200 From: Greg KH To: Mathias Stearn Cc: Mark Rutland , stable@vger.kernel.org, catalin.marinas@arm.com, peterz@infradead.org Subject: Re: [PATCH 7.0] arm64/entry: Fix arm64-specific rseq brokenness Message-ID: <2026061930-tightrope-bronze-4198@gregkh> References: <20260618151426.308099-1-mark.rutland@arm.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Thu, Jun 18, 2026 at 10:50:00PM +0200, Mathias Stearn wrote: > On Thu, Jun 18, 2026 at 5:14 PM Mark Rutland wrote: > > Mathias Stearn reports that since v6.19, there are two big issues > > affecting rseq: > > [...] > > The other rseq fixes made it into v7.1 and were all backported to v7.0.y > > as of v7.0.10. We forgot to CC stable, so this patch was missed. > > > > This isn't needed for earlier stable trees. > > What about 6.19 itself, or is that not a stable tree? AFAIK it isn't a > priority for us (MongoDB) like 7.0 is, but I felt like mentioning it > for completeness, since rseq is quite broken on arm64 with 6.19 today. If you look at the front page of kernel.org, you will note that 6.19 has gone end-of-life a long time ago, sorry. We aren't supporting that anymore at all. thanks, greg k-h