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Message-Id: <20190626034117.23247-10-sashal@kernel.org>
Date: Tue, 25 Jun 2019 23:40:26 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Lu Baolu <baolu.lu@...ux.intel.com>,
Dave Jiang <dave.jiang@...el.com>,
Joerg Roedel <jroedel@...e.de>,
Sasha Levin <sashal@...nel.org>,
iommu@...ts.linux-foundation.org
Subject: [PATCH AUTOSEL 5.1 10/51] iommu/vt-d: Set the right field for Page Walk Snoop
From: Lu Baolu <baolu.lu@...ux.intel.com>
[ Upstream commit 66d78ad316b0e1ca5ae19663468554e2c0e31c26 ]
Set the page walk snoop to the right bit, otherwise the domain
id field will be overlapped.
Reported-by: Dave Jiang <dave.jiang@...el.com>
Fixes: 6f7db75e1c469 ("iommu/vt-d: Add second level page table interface")
Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/iommu/intel-pasid.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel-pasid.c b/drivers/iommu/intel-pasid.c
index 03b12d2ee213..fdf05c45d516 100644
--- a/drivers/iommu/intel-pasid.c
+++ b/drivers/iommu/intel-pasid.c
@@ -387,7 +387,7 @@ static inline void pasid_set_present(struct pasid_entry *pe)
*/
static inline void pasid_set_page_snoop(struct pasid_entry *pe, bool value)
{
- pasid_set_bits(&pe->val[1], 1 << 23, value);
+ pasid_set_bits(&pe->val[1], 1 << 23, value << 23);
}
/*
--
2.20.1
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