d2ed8a299c
Update some patch for uadk from mainline. To get more infomation, please visit the homepage: https://github.com/Linaro/uadk Signed-off-by: Wenkai Lin <linwenkai6@hisilicon.com>
52 lines
1.3 KiB
Diff
52 lines
1.3 KiB
Diff
From 00d8dd57f97586658770a258f3e8fb331180f457 Mon Sep 17 00:00:00 2001
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From: Wenkai Lin <linwenkai6@hisilicon.com>
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Date: Thu, 10 Mar 2022 20:03:15 +0800
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Subject: [PATCH 091/109] uadk: mempool: fix redundant assignment
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1. pos_first is no need to be assinged because it
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will get a value later.
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2. improve performance by giving other threads or
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processes a chance to run
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Signed-off-by: Wenkai Lin <linwenkai6@hisilicon.com>
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---
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wd_mempool.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/wd_mempool.c b/wd_mempool.c
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index bfacd28..8467c48 100644
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--- a/wd_mempool.c
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+++ b/wd_mempool.c
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@@ -14,6 +14,7 @@
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#include <sys/mman.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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+#include <pthread.h>
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#include "wd.h"
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#define SYSFS_NODE_PATH "/sys/devices/system/node/node"
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@@ -409,8 +410,8 @@ static int alloc_block_from_mempool(struct mempool *mp,
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int mem_combined_num,
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int mem_splited_num)
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{
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- int pos_first = pos;
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int pos_last = pos;
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+ int pos_first;
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int i, ret;
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do {
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@@ -607,7 +608,9 @@ void wd_blockpool_destroy(handle_t blkpool)
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mp = bp->mp;
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wd_atomic_sub(&bp->ref, 1);
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- while(wd_atomic_load(&bp->ref));
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+ while (wd_atomic_load(&bp->ref))
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+ sched_yield();
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+
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free_mem_to_mempool(bp);
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free(bp->blk_elem);
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free(bp);
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--
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2.27.0
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