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 2B639F9D9; Fri, 8 May 2026 23:49:26 +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=1778284166; cv=none; b=bSP87b4lCYXE9XqiQUpIaqDYTyUlE1FUSEDv24hFUPHRLfBe91UhzpeFr992kC5YofnoZlXJaVsi/f07SmmQuRj2jrps9hRgxUzPVkPfmPVuUf07cNpG/K1Wp/4lPurHZhTNpm4aeLcBNBMXhn2bknsoHOnRixGgYhZiQpD8e6U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778284166; c=relaxed/simple; bh=YKhq8YGrlFIH1geXnhTe1skjB8oYVKcRGftTy+NP8L4=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=dYvsvPloUkhHXuvu/9LSzeQV4UBNWIAEVhvvESDoVAVsNLFn36HClHPCK64pOWlK345+yxzgAdUfZ2ge720BoWY2LJtREV5nbmStOR3RfRfNyUUl6LFWb575BEI48cfnUx+1FCdmXf0CMfeGPHkaqSRACb4fDb0jUqsSCJ6gwug= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=LWZd135X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="LWZd135X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5993C2BCB0; Fri, 8 May 2026 23:49:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1778284166; bh=YKhq8YGrlFIH1geXnhTe1skjB8oYVKcRGftTy+NP8L4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=LWZd135Xea4AAPbLnha0JSwfadnRy4XvPlCmeuwvvIKjrf0e6kkC2TEWO8ffIEUhJ jtMbqzNASCd3jzJH91EXnYSj7OXh8krRwMxZmRsJirXFfjiAKr0seZizVh40bawMxw XyGhiqA2G/0Bj3TnSguZ3Krz3QMT2DfGuNkacySU= Date: Fri, 8 May 2026 16:49:25 -0700 From: Andrew Morton To: Sasha Levin Cc: corbet@lwn.net, skhan@linuxfoundation.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, gregkh@linuxfoundation.org Subject: Re: [PATCH] killswitch: add per-function short-circuit mitigation primitive Message-Id: <20260508164925.20e09fba0277f0bc8ffc9a3d@linux-foundation.org> In-Reply-To: References: <20260507070547.2268452-1-sashal@kernel.org> <20260508135630.a380e3c187b59e4c04e6f358@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 8 May 2026 17:47:04 -0400 Sasha Levin wrote: > >> 19 files changed, 1451 insertions(+), 1 deletion(-) > > > >wowzers. I'm looking at samples/livepatch/livepatch-sample.c wondering > >"why"? > > Yup, a bit chunky, but over half of it is documentation and testing, and the > actual functional code is largely the securityfs interface. So we can't use livepatch here?