From 963895584a99f3fc8a506a6ab65b9a0ffad6477c Mon Sep 17 00:00:00 2001
From: oburstein <oburstein@nvidia.com>
Date: Wed, 29 Jan 2025 16:33:52 +0200
Subject: [PATCH] [mtcr_ul] Remove flock() usage from READ4_PCI() WRITE4_PCI()
macros no need for this semaphore as we rely on the VSC's semaphore.
---
mtcr_ul/mtcr_ul_com.c | 28 ----------------------------
1 file changed, 28 deletions(-)
diff --git a/mtcr_ul/mtcr_ul_com.c b/mtcr_ul/mtcr_ul_com.c
index d37b64f7..77d2f19a 100644
--- a/mtcr_ul/mtcr_ul_com.c
+++ b/mtcr_ul/mtcr_ul_com.c
@@ -712,21 +712,7 @@ enum {
do \
{ \
int rc; \
- int lock_rc; \
- ul_ctx_t* pci_ctx = mf->ul_ctx; \
- lock_rc = _flock_int(pci_ctx->fdlock, LOCK_EX); \
- if (lock_rc) \
- { \
- perror(err_prefix); \
- action_on_fail; \
- } \
rc = pread(mf->fd, val_ptr, 4, pci_offs); \
- lock_rc = _flock_int(pci_ctx->fdlock, LOCK_UN); \
- if (lock_rc) \
- { \
- perror(err_prefix); \
- action_on_fail; \
- } \
if (rc != 4) \
{ \
if (rc < 0) \
@@ -742,23 +728,9 @@ enum {
do \
{ \
int rc; \
- int lock_rc; \
u_int32_t val_le; \
- ul_ctx_t* pci_ctx = mf->ul_ctx; \
val_le = __cpu_to_le32(val); \
- lock_rc = _flock_int(pci_ctx->fdlock, LOCK_EX); \
- if (lock_rc) \
- { \
- perror(err_prefix); \
- action_on_fail; \
- } \
rc = pwrite(mf->fd, &val_le, 4, pci_offs); \
- lock_rc = _flock_int(pci_ctx->fdlock, LOCK_UN); \
- if (lock_rc) \
- { \
- perror(err_prefix); \
- action_on_fail; \
- } \
if (rc != 4) \
{ \
if (rc < 0) \