From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f169.google.com (mail-lj1-f169.google.com [209.85.208.169]) (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 35A4D20ADE7 for ; Fri, 11 Oct 2024 08:55:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.169 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728636920; cv=none; b=mq/3ZUNyo3YxENKBXr0mDmjYzGE+yvrcyersTGqa1UkxwPMbORnbAk0ezW991EGu7d0guClHomCyAnwemp98av+zKNxH41BIvIMK6HACF/fDLCgovXbPWXcUtt7esK5+IRF7OXIJLobQ3F+MfRZDS3yjUqxrplmJjdk+C86gxKI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728636920; c=relaxed/simple; bh=ZaZIZPL75FN7F2Xka8N1vKtFdsaNKv70SY2RDWflhuk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=n/e+ohcDSOHS9YSAxiiVJvU5AOf3IWvYjkbM20Ct/vXO130zyp5FKDma8kfb0mA2rugA6Yy0YQMkv4ghvIwUE6WxEdccQtZVdJaWnvG5IO1rtgkFYc7teF6T0gM3fPqauQh6rzh9zXqN8mADmCwrkPvay1L4WV2bJXnwcG94OZo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com; spf=pass smtp.mailfrom=suse.com; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b=HoUf0a9D; arc=none smtp.client-ip=209.85.208.169 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=suse.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=suse.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=suse.com header.i=@suse.com header.b="HoUf0a9D" Received: by mail-lj1-f169.google.com with SMTP id 38308e7fff4ca-2facf48166bso19098091fa.0 for ; Fri, 11 Oct 2024 01:55:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1728636915; x=1729241715; 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=X7wBNfh83lXnA+3o4O/+GyuwzB4d/XfOcAHO7ievXKU=; b=HoUf0a9Dtc7XjwAxoZ+UrNfBF/f2x6stKUf/9oej7GGTjfurylQd1Wt208e/pLhfr/ oJOkbe8om3izCp8Ao2M8Xn1ELpXglGm3UPV4NiKcv1nvNEQcQHYAzK8lxsrrqnYcbNPo VoflyiMnmaTcvqVzm5WLebfwMvIaDqkTMslmOsD1nIq9/zaOpZXfQX6gds0bhM8QF2Zb CMjZoxcEhBZhBKQhaYdF/JH+xX1zk76Z1yHi/Cj9U7blijssbGByCQ5enHU2hXyI8cy4 VaT/QXDmitXfR9tG3otxacoldvva5FU9L9GmnmDqKh6f3nloMFPMpwENmF1iFZNXQGFF W9Hw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728636915; x=1729241715; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=X7wBNfh83lXnA+3o4O/+GyuwzB4d/XfOcAHO7ievXKU=; b=CxiZ7ERwMVUetUb7Y9RJd+Dnn2GFXhuSFZMYPtwSuJotFC0bNT0GXs5ZnnitRGSDNm N1UehAUqV5mioE+LeC1s9QomL64IhjjqIYXVMd9jsMqF2e/7Wv58uJKM+v+WEXaA+8C/ Srw8yRjsA8k24wd30mOUFXH0qMyPXBjCA7qb6pkGXmLk94KZPb7UPDnMEJ91B2fF2/Va IylVWtf92u30pAEhNfq2LTULSmeETz/SMeiduEhBukczWs3XOEEz6mXBcmVmtP3UbKyH PP3P3OirqCo6zNlx+VfceJPfMZfZIcrBOstTxl9IpkRu22TbGaO7uOfMVDicHxdZUF7K CUDw== X-Forwarded-Encrypted: i=1; AJvYcCVTjmHkLH9n5J32L9qHMwahw6gSAyCvTVAc+CxgSlqP/s/J9PJ1eqAcb6tO2F44X6a/AK/NjzkF3xiE1QWJ@vger.kernel.org X-Gm-Message-State: AOJu0YwvNyXD+kz8csTb6xtDPcrT4yCHxHKtZyQiMcrCJktVOFWS5zZH TOkPWO68RCL7F/uGlj9USbi4GHauyMD3dPYfmUM53jBf/MBg8/1VDMi33NskEEM= X-Google-Smtp-Source: AGHT+IH6smBqfgsJtAybZTxVKbMCj9FyiXCKYp1jarZHpl/dwusozZ/5eF82l5M+CGUTW/K/5X4FGQ== X-Received: by 2002:a2e:a988:0:b0:2fa:cf82:a1b2 with SMTP id 38308e7fff4ca-2fb327b22demr9136071fa.31.1728636915325; Fri, 11 Oct 2024 01:55:15 -0700 (PDT) Received: from pathway.suse.cz ([176.114.240.50]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5c937118d39sm1700349a12.21.2024.10.11.01.55.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Oct 2024 01:55:15 -0700 (PDT) Date: Fri, 11 Oct 2024 10:55:13 +0200 From: Petr Mladek To: Wardenjohn Cc: jpoimboe@kernel.org, mbenes@suse.cz, jikos@kernel.org, joe.lawrence@redhat.com, live-patching@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V5 1/1] livepatch: Add stack_order sysfs attribute Message-ID: References: <20241008014856.3729-1-zhangwarden@gmail.com> <20241008014856.3729-2-zhangwarden@gmail.com> Precedence: bulk X-Mailing-List: live-patching@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: <20241008014856.3729-2-zhangwarden@gmail.com> On Tue 2024-10-08 09:48:56, Wardenjohn wrote: > Add "stack_order" sysfs attribute which holds the order in which a live > patch module was loaded into the system. A user can then determine an > active live patched version of a function. > > cat /sys/kernel/livepatch/livepatch_1/stack_order -> 1 > > means that livepatch_1 is the first live patch applied > > cat /sys/kernel/livepatch/livepatch_module/stack_order -> N > > means that livepatch_module is the Nth live patch applied > > Suggested-by: Petr Mladek > Suggested-by: Miroslav Benes > Suggested-by: Josh Poimboeuf > Signed-off-by: Wardenjohn Looks and works fine: Reviewed-by: Petr Mladek Tested-by: Petr Mladek Best Regards, Petr PS: I'll wait for the selftest before pushing this change. It would be nice to send both patches together in a single thread.