From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qk1-f173.google.com (mail-qk1-f173.google.com [209.85.222.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20AD83DC87A for ; Wed, 3 Jun 2026 02:57:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.222.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780455445; cv=none; b=AREpungB14ppZuuo6ExlEHp/Hul7NQ5uLkZD+BRxb+1ltMMAmDLXeX9NtZhQlFUfv+TWrxYndxnTpcaXEHu1abn+Z2Mb1m6eJyMHlaHMTTF61jwQy9LxuRpYYcC5bmH6CwUo8qGP5/Z1fbZaYYOangIoDvI2YHf4HkUkkvJmkW0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780455445; c=relaxed/simple; bh=N4OxoQTixXI0CRT16N1iXZqTHUvsDx1Q9fcNeE9kgUU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uU7TG5LC/PS4Ha7vrHaP8kMUpUTFCMp3V7KBWJO7/NyOZpw81ekpFczY8H+oAHyg3X2f7rkfhWkWpXUI3oRH4t9ESy4W0fGj3NEz6ZY0zf3fKRZA5hR87r/4GIVugTDI+87cl18IkGYDHgGLjGk8vf4JIsFQApjTBU6L3xhvft4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=soleen.com; spf=pass smtp.mailfrom=soleen.com; dkim=pass (2048-bit key) header.d=soleen.com header.i=@soleen.com header.b=E/KUNS3x; arc=none smtp.client-ip=209.85.222.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=soleen.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=soleen.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=soleen.com header.i=@soleen.com header.b="E/KUNS3x" Received: by mail-qk1-f173.google.com with SMTP id af79cd13be357-9157d3f2098so165168585a.3 for ; Tue, 02 Jun 2026 19:57:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=soleen.com; s=google; t=1780455442; x=1781060242; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=y3awZDWC/0BEHXSInI6v/h4g63e1F9fJCkxQA7vD56Q=; b=E/KUNS3xAzyC0G5EB+KrwKNZP2PaaFGBqYrzzi3riFW2g2Hl9xI4giD9ok2HT6DwCL u4K2OUJO3dmn0W5ZKtJ5f/r2xR6z8CKXTWncXmk/lpinHNYaAKMZNWQ8/JxX5elMmjKM HFy7vIxTAvEQD4jgxZriuLi4E1f4EmlG7EVlnDE8Wz+RvwLVS6nPuCBe4CR1H8BRDgpq Hkc94WHD1xU5zAR2I1oX/q/ZixtaEc+HsSDKvY/8wukHbiN6cACtWFcV3HoEDajqVegw onscqy7DfCCZERTXfCIG22TP1ZXsp02TW1N35oI7kOz5CjHslA6DZ8rWxHUnZXz0S3rp E2xA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780455442; x=1781060242; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=y3awZDWC/0BEHXSInI6v/h4g63e1F9fJCkxQA7vD56Q=; b=N7U1uXrGmIMISVCkGJ5iBCtD9iOwat6E772jj/m21qHZ+z6QxRFi1cZYdn+XpNh3vy 8nfoSP9+vfylvmR+4RSc+1GceAHsF2yMBZzY3TKM/uz0a0nZ9u52kL9p6soJGlI8vBXT HPe0lRjvo46kvbRqUoZCTu6NNoadZo+TK0uYvBBf8JiHgDm4MEYqdkkg2iPWPv/lOQ94 +oAjWCHS7Ns6YM/nI097Cb2xrcVmggwv7+Ty1f14Up5pFGPIkPJOaYmcICrPumcDNqZ8 oTue9nzR+Ikba9wLZFfzycbsO/joitn+z8LXYMBuwehV90YGFqqHioGLW1H2qE7K/A3z SrBw== X-Forwarded-Encrypted: i=1; AFNElJ8xJCgsyXZGg9hQ6YhqUq9hLNE2rrCuAjFeEB+OHCsl8rsN+RPPKNCWd1GXUN6ta5Lh8fDt8sEit0tr3fT6LEA=@vger.kernel.org X-Gm-Message-State: AOJu0YytiysUSaYFZdpRO8eiZ24j8u8y4PXzjvwFR/tf4F+ZrUXx3GyQ VgVC1AaPnEyYe0twELogQxFziEr7lX0Z07gfmACaciKxVD3jUxx/KWWCxxd3HJknH2s= X-Gm-Gg: Acq92OFupnOKmcRAdeGo8VGzLNPnlaOuUo4xbfbDBAdmnKecn/wge4/KooJcp6HhYIj YNqVT3m6p0J1+BSbtAYwOvaKYBL6g37CiICA/chEGC7/+5ZQYqeu3G8vAxl4I5bvlVBjRCbCzVG Ph/66o0p3dW61NIEMaMoU/1Yp4I8DwnNQUHf2OlG7u5hza3il0i7raN9BmBMjTkNEWDz/nJJv4t nHoSaY2ED8PKEoFYMeEPxmgWXQIeF0CEHYdLN/5ZB3fptHc0ugw46ghU/00SlyiFnQMys5jMjjA SA/RZE/V5PIwsUBXtBMJCZymMni3oFHxmETj1ACPMNOo0zch6dIIveslfvusvr+blag8OKVVjUi t9HE/Pp3MPnnSSaSQiTA5BFMAWhV36Sxn4jwqhI30cd28+kBFuM6E6kr0kR9T44kO8/dR+eRQLr TD67UH8i2BxEjq/dpG9VLx3adlaiq4bTOLt7MiCIxjbphClpKwrlKVdsH+xxnxSw== X-Received: by 2002:a05:620a:3199:b0:915:86c6:8432 with SMTP id af79cd13be357-9158a6979f0mr317963585a.14.1780455442182; Tue, 02 Jun 2026 19:57:22 -0700 (PDT) Received: from plex ([71.181.43.54]) by smtp.gmail.com with ESMTPSA id af79cd13be357-9158a37bae6sm118824085a.31.2026.06.02.19.57.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jun 2026 19:57:21 -0700 (PDT) Date: Wed, 3 Jun 2026 02:57:19 +0000 From: Pasha Tatashin To: Mike Rapoport Cc: Pasha Tatashin , linux-kselftest@vger.kernel.org, shuah@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, skhan@linuxfoundation.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, corbet@lwn.net, dmatlack@google.com, kexec@lists.infradead.org, pratyush@kernel.org, skhawaja@google.com, graf@amazon.com Subject: Re: [PATCH v4 03/13] liveupdate: centralize state management into struct luo_ser Message-ID: References: <20260530221938.115978-1-pasha.tatashin@soleen.com> <20260530221938.115978-4-pasha.tatashin@soleen.com> <178038801487.119771.6308607614059754603.b4-review@b4> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <178038801487.119771.6308607614059754603.b4-review@b4> On 06-02 11:13, Mike Rapoport wrote: > On Sat, 30 May 2026 22:19:28 +0000, Pasha Tatashin wrote: > > diff --git a/kernel/liveupdate/luo_flb.c b/kernel/liveupdate/luo_flb.c > > index 8f5c5dd01cd0..c8dd30b41238 100644 > > --- a/kernel/liveupdate/luo_flb.c > > +++ b/kernel/liveupdate/luo_flb.c > > @@ -579,53 +565,18 @@ int __init luo_flb_setup_outgoing(void *fdt_out) > > [ ... skip 18 lines ... ] > > - offset = fdt_subnode_offset(fdt_in, 0, LUO_FDT_FLB_NODE_NAME); > > - if (offset < 0) { > > - pr_err("Unable to get FLB node [%s]\n", LUO_FDT_FLB_NODE_NAME); > > - > > - return -ENOENT; > > + if (flbs_pa) { > > I like > > if (!flbs_pa) > return; > > more Ok. > > > > > diff --git a/kernel/liveupdate/luo_session.c b/kernel/liveupdate/luo_session.c > > index 8d9201c25412..3b760fefa7b9 100644 > > --- a/kernel/liveupdate/luo_session.c > > +++ b/kernel/liveupdate/luo_session.c > > @@ -497,75 +494,34 @@ int luo_session_retrieve(const char *name, struct file **filep) > > [ ... skip 58 lines ... ] > > + if (sessions_pa) { > > + header_ser = phys_to_virt(sessions_pa); > > + luo_session_global.incoming.header_ser = header_ser; > > + luo_session_global.incoming.ser = (void *)(header_ser + 1); > > + luo_session_global.incoming.active = true; > > } > > Ditto This functions get's re-written with early return later in the serires. > > -- > Sincerely yours, > Mike. >