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b=Z3imFrBRIo9t9Yz/Ltm7Ff8+nHDcN7NYtOjGSxZGcWd897KE8A/Sq4V/CqIvLv871 H/suoek4i9utHo9fCiOZgX5jaG/9bkM/yZutRwIroOlp2K38ZKl+oGX6EH9lJE5rb2 qyaG6ck7YoNqmzqlqBJJ2EB3YtU1lXrPG6aLcUGtmaBTvTkgZuM4WZuNdNu7GNXoCq lIsMQMLpqj7ajlDCYv9m00MsHmhetq3I0LQH4pQ/fE27QcvxpOU9zJ8JKezGyYKO9t 793Cmut5YeoKWxEEZNvI/v6a9jEhC/D5rTokAWBTazmFQuTVVjvv0idbbMPJXJwj1j pUOqQiynQ7iIA== Date: Thu, 5 Nov 2026 15:08:33 +0200 From: Mike Rapoport To: Chen Pei Cc: pjw@kernel.org, palmer@dabbelt.com, alex@ghiti.fr, pasha.tatashin@soleen.com, pratyush@kernel.org, graf@amazon.com, shuah@kernel.org, guoren@kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, kexec@lists.infradead.org Subject: Re: [PATCH v2 4/5] selftests: kho: Add riscv support Message-ID: References: <20261103080926.2079-1-cp0613@linux.alibaba.com> <20261103080926.2079-5-cp0613@linux.alibaba.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261103080926.2079-5-cp0613@linux.alibaba.com> X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS autolearn=unavailable autolearn_force=no version=4.0.1 X-Rspamd-Server: rspam09 X-Stat-Signature: 6de9f9jym7fbof4tjynf6q4pnj3kpx3y X-Rspamd-Queue-Id: E9C5F140008 X-Rspam-User: X-HE-Tag: 1793884121-468717 X-HE-Meta: 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 67P1e8NU 6bPoqq5N39DsBgFVL7mwvRiPBET4A64VScfBlKN8/j1l2BoGQf1lnH/v0LXFT2GiugmKgus97m9RosB9GCXurRfZ98rXCul7S7xot48uYwpARHdK0r4GSGN8duuCjZq9VG7RA7E6aA3Rmr/UCg9j7HnKYQUNZQF1yeQ4ZsYqmRa9xqijsdiZB/PjgTRjoy+bivzLcxA2zFIvTxdjDpTg2T7REg0JUJ0qmdT3f4EC6USfAU70w0wBRPD00jBqgPpWnwqp0cO3LTc39bEuHfrK0T9BbGw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi Chen, On Tue, Nov 03, 2026 at 04:09:25PM +0800, Chen Pei wrote: > Teach the KHO vmtest runner about riscv64: map the target to ARCH > riscv and describe the QEMU virt machine, the kernel image and its > console -- a 16550A port probed from the device tree on virt, hence > the SERIAL_8250{,_CONSOLE} and SERIAL_OF_PLATFORM symbols. Also > select CONFIG_SPARSEMEM_MANUAL: the runner requires > CONFIG_DEFERRED_STRUCT_PAGE_INIT, which depends on SPARSEMEM, while > riscv falls back to FLATMEM (no ARCH_SPARSEMEM_DEFAULT), so without > it the test would just be skipped. We can read the patch, no need to list everything here. The changelog should focus on "why" rather than "how". > Signed-off-by: Chen Pei > --- > > Test: qemu-system-riscv64 (virt, -cpu max, TCG), in-tree runner > "tools/testing/selftests/kho/vmtest.sh -t riscv64" (boots the Image > and kexec'es into the same Image). > > KHO: found kexec handover data. > KHO: exec from: 7.4.0-rc1-next-20261102-00005-gfca49e548231 (count 1) > test_kho: KHO restore succeeded > ok 1 KHO succeeded > # Totals: pass:1 fail:0 xfail:0 xpass:0 skip:0 error:0 > > tools/testing/selftests/kho/riscv.conf | 9 +++++++++ > tools/testing/selftests/kho/vmtest.sh | 3 ++- > 2 files changed, 11 insertions(+), 1 deletion(-) > create mode 100644 tools/testing/selftests/kho/riscv.conf -- Sincerely yours, Mike.