kernel/linux.git/tools/virtio, branch v6.12.97

tools/virtio: check mmap return value in vringh_test

2026-07-24T14:10:58+00:00

[ Upstream commit ec6177dfe98b9be1c3ede6c0dfe4394ea2a76959 ] In parallel_test(), the return values of mmap() for both host_map and guest_map are not checked against MAP_FAILED. If mmap() fails, the subsequent code will dereference the invalid pointer, leading to a segmentation fault. Add MAP_FAILED checks after both mmap() calls, using err() to report the error and exit, consistent with the existing error handling style in this file (e.g., the open() call on line 149). Fixes: 1515c5ce26ae ("tools/virtio: add vring_test.") Signed-off-by: longlong yan Signed-off-by: Michael S. Tsirkin Message-ID: <20260605021446.1611-1-yanlonglong@kylinos.cn> Signed-off-by: Sasha Levin

Fix typo in vringh_test.c

2024-11-06T09:40:07+00:00

Corrected minor typo in tools/virtio/vringh_test.c: - Fixed "retreives" to "retrieves" Signed-off-by: Shivam Chaudhary Message-Id: <20241008145204.478749-1-cvam0000@gmail.com> Signed-off-by: Michael S. Tsirkin

tools/virtio:Fix the wrong format specifier

2024-09-10T06:51:48+00:00

The unsigned int should use "%u" instead of "%d". Signed-off-by: Zhu Jun Message-Id: <20240724074108.9530-1-zhujun2@cmss.chinamobile.com> Signed-off-by: Michael S. Tsirkin Reviewed-by: Eugenio Pérez Reviewed-by: Xuan Zhuo

tools/virtio: creating pipe assertion in vringh_test

2024-07-04T15:00:31+00:00

parallel_test() function in vringh_test needs to verify the creation of the guest/host pipe. Signed-off-by: Yunseong Kim Message-Id: <20240624174905.27980-2-yskelg@gmail.com> Signed-off-by: Michael S. Tsirkin

tools: virtio: introduce vhost_net_test

2024-03-05T10:38:14+00:00

introduce vhost_net_test for both vhost_net tx and rx basing on virtio_test to test vhost_net changing in the kernel. Steps for vhost_net tx testing: 1. Prepare a out buf. 2. Kick the vhost_net to do tx processing. 3. Do the receiving in the tun side. 4. verify the data received by tun is correct. Steps for vhost_net rx testing: 1. Prepare a in buf. 2. Do the sending in the tun side. 3. Kick the vhost_net to do rx processing. 4. verify the data received by vhost_net is correct. Signed-off-by: Yunsheng Lin Acked-by: Michael S. Tsirkin Signed-off-by: Paolo Abeni

tools/virtio: Add dma sync api for virtio test

2023-10-16T09:32:23+00:00

Fixes: 8bd2f71054bd ("virtio_ring: introduce dma sync api for virtqueue") also add dma sync api for virtio test. Signed-off-by: Liming Wu Message-Id: <20231008031734.1095-1-liming.wu@jaguarmicro.com> Signed-off-by: Michael S. Tsirkin

tools/virtio: fix build break for aarch64

2023-06-27T14:47:08+00:00

"-mfunction-return=thunk -mindirect-branch-register" are only valid for x86. So introduce compiler operation check to avoid such issues Fixes: 0d0ed4006127 ("tools/virtio: enable to build with retpoline") Signed-off-by: Peng Fan Message-Id: <20230323040024.3809108-1-peng.fan@oss.nxp.com> Signed-off-by: Michael S. Tsirkin

tools/virtio: use canonical ftrace path

2023-06-09T16:08:08+00:00

The canonical location for the tracefs filesystem is at /sys/kernel/tracing. But, from Documentation/trace/ftrace.rst: Before 4.1, all ftrace tracing control files were within the debugfs file system, which is typically located at /sys/kernel/debug/tracing. For backward compatibility, when mounting the debugfs file system, the tracefs file system will be automatically mounted at: /sys/kernel/debug/tracing A few spots in tools/virtio still refer to this older debugfs path, so let's update them to avoid confusion. Signed-off-by: Ross Zwisler Message-Id: <20230215223350.2658616-6-zwisler@google.com> Signed-off-by: Michael S. Tsirkin Reviewed-by: Mukesh Ojha

tools/virtio: Add .gitignore for ringtest

2023-06-08T19:43:08+00:00

Ignore executables for ringtest. Signed-off-by: Rong Tao Message-Id: Signed-off-by: Michael S. Tsirkin

tools/virtio: Fix arm64 ringtest compilation error

2023-06-08T19:43:08+00:00

Add cpu_relax() for arm64 instead of directly assert(), and add assert.h header file. Also, add smp_wmb and smp_mb for arm64. Compilation error as follows, avoid __always_inline undefined. $ make cc -Wall -pthread -O2 -ggdb -flto -fwhole-program -c -o ring.o ring.c In file included from ring.c:10: main.h: In function ‘busy_wait’: main.h:99:21: warning: implicit declaration of function ‘assert’ [-Wimplicit-function-declaration] 99 | #define cpu_relax() assert(0) | ^~~~~~ main.h:107:17: note: in expansion of macro ‘cpu_relax’ 107 | cpu_relax(); | ^~~~~~~~~ main.h:12:1: note: ‘assert’ is defined in header ‘’; did you forget to ‘#include ’? 11 | #include +++ |+#include 12 | main.h: At top level: main.h:143:23: error: expected ‘;’ before ‘void’ 143 | static __always_inline | ^ | ; 144 | void __read_once_size(const volatile void *p, void *res, int size) | ~~~~ main.h:158:23: error: expected ‘;’ before ‘void’ 158 | static __always_inline void __write_once_size(volatile void *p, void *res, int size) | ^~~~~ | ; make: *** [: ring.o] Error 1 Signed-off-by: Rong Tao Message-Id: Signed-off-by: Michael S. Tsirkin