[dpdk-dev] [PATCH] eal/windows: cleanup virt2phys handle
From: Dmitry Kozlyuk <hidden>
Date: 2021-07-26 21:36:42
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
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 <redacted>
---
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