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Received: from DESKTOP-S9E58SO.localdomain(mailfrom:cp0613@linux.alibaba.com fp:SMTPD_---0XDM1n5s_1792754182 cluster:ay36) by smtp.aliyun-inc.com; Fri, 23 Oct 2026 19:16:23 +0800 From: Chen Pei To: pjw@kernel.org, palmer@dabbelt.com, alex@ghiti.fr, rppt@kernel.org, pasha.tatashin@soleen.com, pratyush@kernel.org, graf@amazon.com, shuah@kernel.org Cc: 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: [PATCH 3/4] selftests: kho: Add riscv support Date: Fri, 23 Oct 2026 19:16:11 +0800 Message-ID: <20261023111612.2134-4-cp0613@linux.alibaba.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261023111612.2134-1-cp0613@linux.alibaba.com> References: <20261023111612.2134-1-cp0613@linux.alibaba.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 25BC940007 X-Spam-Status: No, score=-26.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=4.0.1 X-Stat-Signature: iqhhj4jdnsb3gnoc4yjnga6wjrr3xx3b X-HE-Tag: 1792754186-505727 X-HE-Meta: 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 ygNsQtJt uSrejQ6KxKF7m0+rZkGD+xDCcET3mFnhQ9JLXFkympsJZjSqMy/XOhjKBRHhHPyZZpiXIBnRBxW7jNBrrcd1RtcqlsXKkik67Zs1Q2Pb5m3ZDmJiYgwZnNEcr2ZA4dmVPZrpPd8lqTU+DbLfqNhaAFPNx6BE7mvPxf1ZZLMQP9NUIbQBHeA09jMw+0gvrwFgjZBHp8G4ErQuZM9xVM/MzxQEgeiCXkcqJvG1tuC+Mo+9aUxEoieIJotX6ORkgI3dlW2KD 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 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. 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: 7.3.0-rc7-00108-gc6e90ee4ccbb (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 diff --git a/tools/testing/selftests/kho/riscv.conf b/tools/testing/selftests/kho/riscv.conf new file mode 100644 index 000000000000..ec2a46cd45d5 --- /dev/null +++ b/tools/testing/selftests/kho/riscv.conf @@ -0,0 +1,9 @@ +QEMU_CMD="qemu-system-riscv64 -M virt -cpu max" +QEMU_KCONFIG=" +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_SPARSEMEM_MANUAL=y +" +KERNEL_IMAGE="Image" +KERNEL_CMDLINE="console=ttyS0" diff --git a/tools/testing/selftests/kho/vmtest.sh b/tools/testing/selftests/kho/vmtest.sh index 0014bd76e88d..325af59f653a 100755 --- a/tools/testing/selftests/kho/vmtest.sh +++ b/tools/testing/selftests/kho/vmtest.sh @@ -21,7 +21,7 @@ Options: -d) path to the kernel build directory -j) number of jobs for compilation, similar to -j in make -t) run test for target_arch, requires CROSS_COMPILE set - supported targets: aarch64, x86_64 + supported targets: aarch64, x86_64, riscv64 -h) display this help EOF } @@ -127,6 +127,7 @@ function target_to_arch() { case $target in aarch64) echo "arm64" ;; x86_64) echo "x86" ;; + riscv64) echo "riscv" ;; *) skip "architecture $target is not supported" esac } -- 2.50.1