From mboxrd@z Thu Jan 1 00:00:00 1970 From: Petr Vorel Date: Wed, 23 Jun 2021 11:25:18 +0200 Subject: [LTP] [PATCH] controllers/cpuset_hotplug: skip unsupported Microsoft Hyper-V In-Reply-To: <20210622145938.106477-1-krzysztof.kozlowski@canonical.com> References: <20210622145938.106477-1-krzysztof.kozlowski@canonical.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it Hi Krzysztof, > Microsoft Hyper-V with Linux guests does not support CPU hotplug, even > if enabled in kernel configuration. Quoting Ubuntu bug report from > June 2018: "While Hyper-V may present all potential CPUs via ACPI MADT, > CPU add/remove is not supported.". [1] Reviewed-by: Petr Vorel LGTM. How many of tests will need tst_virt_hyperv? Although we don't touch legacy API, I'd make an exception and add it to both test.sh and tst_test.sh (ideally with an API extension, i.e. test could use SKIP_VIRT="hyperv", but that can wait till tests are converted). Kind regards, Petr