kernel/0203-Revert-perf-change-smmu-print-level-optimize-ccache-.patch

From d628e54db51d3bb37e74712046152a05d0c716cf Mon Sep 17 00:00:00 2001
From: linmin <linmin@eswincomputing.com>
Date: Thu, 31 Oct 2024 10:18:06 +0800
Subject: [PATCH 203/219] Revert "perf:change smmu print level,optimize ccache
 flush"

Changelogs:
1.The mb() must be placed outside of the flush loop, unless there will be
  cache coherrent problem.

This reverts commit 97d711e2382616175589c242b95d0522809ff772.

Signed-off-by: linmin <linmin@eswincomputing.com>
---
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 4 ++--
 drivers/soc/sifive/sifive_ccache.c          | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 77d37ee6e71f..c383426a0655 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -1661,9 +1661,9 @@ static irqreturn_t arm_smmu_evtq_thread(int irq, void *dev)
 			if (!ret || !__ratelimit(&rs))
 				continue;
 
-			dev_dbg(smmu->dev, "event 0x%02x received:\n", id);
+			dev_info(smmu->dev, "event 0x%02x received:\n", id);
 			for (i = 0; i < ARRAY_SIZE(evt); ++i)
-				dev_dbg(smmu->dev, "\t0x%016llx\n",
+				dev_info(smmu->dev, "\t0x%016llx\n",
 					 (unsigned long long)evt[i]);
 
 			cond_resched();
diff --git a/drivers/soc/sifive/sifive_ccache.c b/drivers/soc/sifive/sifive_ccache.c
index 2010ccd64f86..a88123c81ace 100644
--- a/drivers/soc/sifive/sifive_ccache.c
+++ b/drivers/soc/sifive/sifive_ccache.c
@@ -130,8 +130,8 @@ static void ccache_flush64_range(phys_addr_t paddr, size_t size)
 	for (line = paddr; line < paddr + size;
 	line += SIFIVE_CCACHE_FLUSH64_LINE_LEN) {
 		writeq(line, ccache_base + SIFIVE_CCACHE_FLUSH64);
+		mb();
 	}
-	mb();
 }
 
 static const struct riscv_nonstd_cache_ops ccache_cmo_ops __initdata = {
-- 
2.47.0