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From: Auger Eric <eric.auger@redhat.com>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>,
	iommu@lists.linux-foundation.org,
	LKML <linux-kernel@vger.kernel.org>,
	Lu Baolu <baolu.lu@linux.intel.com>,
	Joerg Roedel <joro@8bytes.org>,
	David Woodhouse <dwmw2@infradead.org>
Cc: "Tian, Kevin" <kevin.tian@intel.com>, Raj Ashok <ashok.raj@intel.com>
Subject: Re: [PATCH v3 1/7] iommu/vt-d: Enforce PASID devTLB field mask
Date: Thu, 2 Jul 2020 09:16:33 +0200	[thread overview]
Message-ID: <0c76fbb7-8844-6a72-5249-934ed0a5c10b@redhat.com> (raw)
In-Reply-To: <1593617636-79385-2-git-send-email-jacob.jun.pan@linux.intel.com>

Hi,

On 7/1/20 5:33 PM, Jacob Pan wrote:
> From: Liu Yi L <yi.l.liu@intel.com>
> 
> Set proper masks to avoid invalid input spillover to reserved bits.
> 
> Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
> Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>


> ---
>  include/linux/intel-iommu.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
> index 4100bd224f5c..729386ca8122 100644
> --- a/include/linux/intel-iommu.h
> +++ b/include/linux/intel-iommu.h
> @@ -380,8 +380,8 @@ enum {
>  
>  #define QI_DEV_EIOTLB_ADDR(a)	((u64)(a) & VTD_PAGE_MASK)
>  #define QI_DEV_EIOTLB_SIZE	(((u64)1) << 11)
> -#define QI_DEV_EIOTLB_GLOB(g)	((u64)g)
> -#define QI_DEV_EIOTLB_PASID(p)	(((u64)p) << 32)
> +#define QI_DEV_EIOTLB_GLOB(g)	((u64)(g) & 0x1)
> +#define QI_DEV_EIOTLB_PASID(p)	((u64)((p) & 0xfffff) << 32)
>  #define QI_DEV_EIOTLB_SID(sid)	((u64)((sid) & 0xffff) << 16)
>  #define QI_DEV_EIOTLB_QDEP(qd)	((u64)((qd) & 0x1f) << 4)
>  #define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \
> 

Reviewed-by: Eric Auger <eric.auger@redhat.com>

Thanks

Eric

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  reply	other threads:[~2020-07-02  7:16 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01 15:33 [PATCH v3 0/7] iommu/vt-d: Misc tweaks and fixes for vSVA Jacob Pan
2020-07-01 15:33 ` [PATCH v3 1/7] iommu/vt-d: Enforce PASID devTLB field mask Jacob Pan
2020-07-02  7:16   ` Auger Eric [this message]
2020-07-01 15:33 ` [PATCH v3 2/7] iommu/vt-d: Remove global page support in devTLB flush Jacob Pan
2020-07-02  7:16   ` Auger Eric
2020-07-06 23:58     ` Jacob Pan
2020-07-01 15:33 ` [PATCH v3 3/7] iommu/vt-d: Fix PASID devTLB invalidation Jacob Pan
2020-07-02  0:50   ` Lu Baolu
2020-07-02  7:16   ` Auger Eric
2020-07-01 15:33 ` [PATCH v3 4/7] iommu/vt-d: Handle non-page aligned address Jacob Pan
2020-07-02  7:50   ` Auger Eric
2020-07-06 23:28     ` Jacob Pan
2020-07-01 15:33 ` [PATCH v3 5/7] iommu/vt-d: Fix devTLB flush for vSVA Jacob Pan
2020-07-02  8:39   ` Auger Eric
2020-07-06 21:05     ` Jacob Pan
2020-07-01 15:33 ` [PATCH v3 6/7] iommu/vt-d: Warn on out-of-range invalidation address Jacob Pan
2020-07-02  0:55   ` Lu Baolu
2020-07-02  8:47   ` Auger Eric
2020-07-02 13:43     ` Jacob Pan
2020-07-01 15:33 ` [PATCH v3 7/7] iommu/vt-d: Disable multiple GPASID-dev bind Jacob Pan
2020-07-02  8:50   ` Auger Eric

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