All of lore.kernel.org
 help / color / mirror / Atom feed
From: <eagostini@nvidia.com>
To: <dev@dpdk.org>
Cc: Elena Agostini <eagostini@nvidia.com>
Subject: [PATCH] app/test-gpudev: use GPU ptr to CPU unmap
Date: Mon, 21 Feb 2022 23:00:52 +0000	[thread overview]
Message-ID: <20220221230052.17607-1-eagostini@nvidia.com> (raw)

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


             reply	other threads:[~2022-02-21 14:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-21 23:00 eagostini [this message]
2022-02-22 19:05 ` [PATCH] app/test-gpudev: use GPU ptr to CPU unmap Thomas Monjalon

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220221230052.17607-1-eagostini@nvidia.com \
    --to=eagostini@nvidia.com \
    --cc=dev@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.