* [PATCH] app/test-gpudev: use GPU ptr to CPU unmap
@ 2022-02-21 23:00 eagostini
2022-02-22 19:05 ` Thomas Monjalon
0 siblings, 1 reply; 2+ messages in thread
From: eagostini @ 2022-02-21 23:00 UTC (permalink / raw)
To: dev; +Cc: Elena Agostini
From: Elena Agostini <eagostini@nvidia.com>
Use rte_gpu_mem_cpu_map with the GPU memory
pointer.
Signed-off-by: Elena Agostini <eagostini@nvidia.com>
---
app/test-gpudev/main.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/app/test-gpudev/main.c b/app/test-gpudev/main.c
index 417f2d78b7..d4b8b8971d 100644
--- a/app/test-gpudev/main.c
+++ b/app/test-gpudev/main.c
@@ -210,7 +210,7 @@ gpu_mem_cpu_map(uint16_t gpu_id)
fprintf(stderr, "rte_gpu_mem_cpu_map returned error\n");
goto error;
}
- printf("GPU memory mapped for CPU access at 0x%p\n", ptr_cpu);
+ printf("GPU memory CPU mapped at 0x%p\n", ptr_cpu);
((uint8_t *)ptr_cpu)[0] = 0x4;
((uint8_t *)ptr_cpu)[1] = 0x5;
@@ -221,12 +221,12 @@ gpu_mem_cpu_map(uint16_t gpu_id)
((uint8_t *)ptr_cpu)[1],
((uint8_t *)ptr_cpu)[2]);
- ret = rte_gpu_mem_cpu_unmap(gpu_id, ptr_cpu);
+ ret = rte_gpu_mem_cpu_unmap(gpu_id, ptr_gpu);
if (ret < 0) {
fprintf(stderr, "rte_gpu_mem_cpu_unmap returned error %d\n", ret);
goto error;
}
- printf("GPU memory mapped for CPU access at 0x%p\n", ptr_cpu);
+ printf("GPU memory CPU unmapped, 0x%p not valid anymore\n", ptr_cpu);
ret = rte_gpu_mem_free(gpu_id, ptr_gpu);
if (ret < 0) {
@@ -240,7 +240,7 @@ gpu_mem_cpu_map(uint16_t gpu_id)
error:
- rte_gpu_mem_cpu_unmap(gpu_id, ptr_cpu);
+ rte_gpu_mem_cpu_unmap(gpu_id, ptr_gpu);
rte_gpu_mem_free(gpu_id, ptr_gpu);
printf("\n=======> TEST: FAILED\n");
--
2.17.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] app/test-gpudev: use GPU ptr to CPU unmap
2022-02-21 23:00 [PATCH] app/test-gpudev: use GPU ptr to CPU unmap eagostini
@ 2022-02-22 19:05 ` Thomas Monjalon
0 siblings, 0 replies; 2+ messages in thread
From: Thomas Monjalon @ 2022-02-22 19:05 UTC (permalink / raw)
To: Elena Agostini; +Cc: dev
22/02/2022 00:00, eagostini@nvidia.com:
> From: Elena Agostini <eagostini@nvidia.com>
>
> Use rte_gpu_mem_cpu_map with the GPU memory
> pointer.
>
> Signed-off-by: Elena Agostini <eagostini@nvidia.com>
> ---
> app/test-gpudev/main.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
Squashed with gpudev API update.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-02-21 23:00 [PATCH] app/test-gpudev: use GPU ptr to CPU unmap eagostini
2022-02-22 19:05 ` Thomas Monjalon
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