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