linux-kernel - [GIT PULL 16/22] intel_th: msu: Correct the block wrap detection

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Date:   Fri,  3 May 2019 11:44:49 +0300
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: [GIT PULL 16/22] intel_th: msu: Correct the block wrap detection

In multi window mode the MSU will set "window wrap" bit to indicate block
wrapping as well. Take this into account when checking data blocks.

Signed-off-by: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
---
 drivers/hwtracing/intel_th/msu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwtracing/intel_th/msu.h b/drivers/hwtracing/intel_th/msu.h
index e8cb819a3804..574c16004cb2 100644
--- a/drivers/hwtracing/intel_th/msu.h
+++ b/drivers/hwtracing/intel_th/msu.h
@@ -95,7 +95,7 @@ static inline unsigned long msc_data_sz(struct msc_block_desc *bdesc)
 
 static inline bool msc_block_wrapped(struct msc_block_desc *bdesc)
 {
-	if (bdesc->hw_tag & MSC_HW_TAG_BLOCKWRAP)
+	if (bdesc->hw_tag & (MSC_HW_TAG_BLOCKWRAP | MSC_HW_TAG_WINWRAP))
 		return true;
 
 	return false;
-- 
2.20.1