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* [dpdk-stable] [PATCH] eal/windows: cleanup virt2phys handle
@ 2021-07-26 21:36 Dmitry Kozlyuk
  2021-07-27  5:43 ` [dpdk-stable] [dpdk-dev] " Menon, Ranjit
  0 siblings, 1 reply; 3+ messages in thread
From: Dmitry Kozlyuk @ 2021-07-26 21:36 UTC (permalink / raw)
  To: dev
  Cc: Dmitry Kozlyuk, stable, Narcisa Ana Maria Vasile, Dmitry Malloy,
	Pallavi Kadam

eal_mem_virt2phys_init() opens a handle for use by rte_mem_virt2phy().
Close this handle on EAL cleanup.

Fixes: 2a5d547a4a9b ("eal/windows: implement basic memory management")
Cc: stable@dpdk.org

Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
---
 lib/eal/windows/eal.c         | 1 +
 lib/eal/windows/eal_memory.c  | 7 +++++++
 lib/eal/windows/eal_windows.h | 5 +++++
 3 files changed, 13 insertions(+)

diff --git a/lib/eal/windows/eal.c b/lib/eal/windows/eal.c
index 5413d4d87f..3d8c520412 100644
--- a/lib/eal/windows/eal.c
+++ b/lib/eal/windows/eal.c
@@ -261,6 +261,7 @@ rte_eal_cleanup(void)
 		eal_get_internal_configuration();
 
 	eal_intr_thread_cancel();
+	eal_mem_virt2iova_cleanup();
 	/* after this point, any DPDK pointers will become dangling */
 	rte_eal_memory_detach();
 	eal_cleanup_config(internal_conf);
diff --git a/lib/eal/windows/eal_memory.c b/lib/eal/windows/eal_memory.c
index 4db048ccb5..71741fc07e 100644
--- a/lib/eal/windows/eal_memory.c
+++ b/lib/eal/windows/eal_memory.c
@@ -198,6 +198,13 @@ eal_mem_virt2iova_init(void)
 	return ret;
 }
 
+void
+eal_mem_virt2iova_cleanup(void)
+{
+	if (virt2phys_device != INVALID_HANDLE_VALUE)
+		CloseHandle(virt2phys_device);
+}
+
 phys_addr_t
 rte_mem_virt2phy(const void *virt)
 {
diff --git a/lib/eal/windows/eal_windows.h b/lib/eal/windows/eal_windows.h
index 7cc811485d..23ead6d30c 100644
--- a/lib/eal/windows/eal_windows.h
+++ b/lib/eal/windows/eal_windows.h
@@ -79,6 +79,11 @@ void eal_intr_thread_cancel(void);
  */
 int eal_mem_virt2iova_init(void);
 
+/**
+ * Cleanup resources used for virtual to physical address translation.
+ */
+void eal_mem_virt2iova_cleanup(void);
+
 /**
  * Locate Win32 memory management routines in system libraries.
  *
-- 
2.29.3


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-07-30 16:41 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-26 21:36 [dpdk-stable] [PATCH] eal/windows: cleanup virt2phys handle Dmitry Kozlyuk
2021-07-27  5:43 ` [dpdk-stable] [dpdk-dev] " Menon, Ranjit
2021-07-30 16:41   ` Thomas Monjalon

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