From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CECBC46467 for ; Wed, 11 Jan 2023 12:08:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231377AbjAKMIY (ORCPT ); Wed, 11 Jan 2023 07:08:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231514AbjAKMIK (ORCPT ); Wed, 11 Jan 2023 07:08:10 -0500 Received: from mail-yb1-xb2a.google.com (mail-yb1-xb2a.google.com [IPv6:2607:f8b0:4864:20::b2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5123B92 for ; Wed, 11 Jan 2023 04:08:08 -0800 (PST) Received: by mail-yb1-xb2a.google.com with SMTP id 188so14759067ybi.9 for ; Wed, 11 Jan 2023 04:08:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=google; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=kmJ3yYULDZh/n/Ts/CIw+F5G8M6+xd7o3i732aR8bfU=; b=Huh5mGKh/5kG5fJLMYNPH7N0pSWybZghPelk0NUdJxECQjfmL+QRCFnkVZYZ4p+6iD U+QihvuYLnC/fu4YtVobiKMfwnj89zGyUkxMQNLkIvXiiPlansCrF7ZPHS4XRej3DbV6 fdWAbhsdr/nCOV/rntZFIEmSK949BWpA3v5Sw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=kmJ3yYULDZh/n/Ts/CIw+F5G8M6+xd7o3i732aR8bfU=; b=QPAc+hAOtnNC5HiKSkc5Fxt9KtQs5PKgnqwXH9nSrOKWI7Ybnz29EPUfmdW3HQe67L GfSaF9ociS+rGlbOjxXgoF1PsC1FfLGRRVrUcfmZmRMiEOOMLTWsW8zhSHjnfARi/0hM O2qmn2Yiws7mZsqhQBBoextk76gDqfIh0i9UM2N6GIRVXHNyowfwjhprwpLAPbOEv5L6 uGD4YVLJ2fXJSpvJ/JcXE9sQAH4guQp1iDd6JuY1YEOcbcVM2G1yuLa+4SyBUuYz7yQq I6jyETcM1boUS6SfYnBhdBUeR4OQ25+WU7jzki8lWfgUTf90+V0GNiFhJ80ZiNGjWTpz pOSw== X-Gm-Message-State: AFqh2krEU0rZmsF1PirQgxXMhNKMWh/MYGAkx58+9ckVVHM5t/uzhgb9 OCzXFfB1dq91GPX2JhPfbT6UBFiViQ9J5qIp8M8= X-Google-Smtp-Source: AMrXdXvmzEvgis5Of6Pt7Xh0a/z6pLQw3QUy93aWK32yWeLm89ANhS2n/0zTM2s9cNRSDg08HA71jg== X-Received: by 2002:a05:6902:15cf:b0:798:e789:5996 with SMTP id l15-20020a05690215cf00b00798e7895996mr33459986ybu.46.1673438887765; Wed, 11 Jan 2023 04:08:07 -0800 (PST) Received: from mail-qt1-f173.google.com (mail-qt1-f173.google.com. [209.85.160.173]) by smtp.gmail.com with ESMTPSA id o5-20020a05620a2a0500b006fcc437c2e8sm9004642qkp.44.2023.01.11.04.08.06 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Jan 2023 04:08:07 -0800 (PST) Received: by mail-qt1-f173.google.com with SMTP id e22so1061129qts.1 for ; Wed, 11 Jan 2023 04:08:06 -0800 (PST) X-Received: by 2002:a05:622a:2598:b0:3ae:db1:185f with SMTP id cj24-20020a05622a259800b003ae0db1185fmr412604qtb.436.1673438886653; Wed, 11 Jan 2023 04:08:06 -0800 (PST) MIME-Version: 1.0 References: <20230101162910.710293-1-Jason@zx2c4.com> <20230101162910.710293-3-Jason@zx2c4.com> <874jt0kndq.fsf@oldenburg.str.redhat.com> In-Reply-To: From: Linus Torvalds Date: Wed, 11 Jan 2023 06:07:50 -0600 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v14 2/7] mm: add VM_DROPPABLE for designating always lazily freeable mappings To: Eric Biggers Cc: Florian Weimer , "Jason A. Donenfeld" , Andy Lutomirski , Ingo Molnar , linux-kernel@vger.kernel.org, patches@lists.linux.dev, tglx@linutronix.de, linux-crypto@vger.kernel.org, linux-api@vger.kernel.org, x86@kernel.org, Greg Kroah-Hartman , Adhemerval Zanella Netto , "Carlos O'Donell" , Arnd Bergmann , Jann Horn , Christian Brauner , linux-mm@kvack.org, mlichvar@redhat.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 11, 2023 at 1:27 AM Eric Biggers wrote: > > How would userspace decide when to reseed its CRNGs, then? .. and that is relevant to all the VM discussions exactly why? Linus