From: Jacob Pan <jacob.jun.pan@linux.intel.com>
To: LKML <linux-kernel@vger.kernel.org>,
iommu@lists.linux.dev, Jason Gunthorpe <jgg@nvidia.com>,
"Lu Baolu" <baolu.lu@linux.intel.com>,
Joerg Roedel <joro@8bytes.org>,
Jean-Philippe Brucker <jean-philippe@linaro.com>,
Dave Hansen <dave.hansen@intel.com>,
Thomas Gleixner <tglx@linutronix.de>, X86 Kernel <x86@kernel.org>,
bp@alien8.de, "H. Peter Anvin" <hpa@zytor.com>,
Peter Zijlstra <peterz@infradead.org>,
corbet@lwn.net, vkoul@kernel.org, dmaengine@vger.kernel.org,
linux-doc@vger.kernel.org
Cc: "Robin Murphy" <robin.murphy@arm.com>,
"Will Deacon" <will@kernel.org>,
David Woodhouse <dwmw2@infradead.org>,
Raj Ashok <ashok.raj@intel.com>,
"Tian, Kevin" <kevin.tian@intel.com>, Yi Liu <yi.l.liu@intel.com>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Kirill Shutemov <kirill.shutemov@linux.intel.com>,
Jacob Pan <jacob.jun.pan@linux.intel.com>
Subject: [PATCH v4 4/6] iommu/sva: Use GFP_KERNEL for pasid allocation
Date: Wed, 1 Mar 2023 15:56:44 -0800 [thread overview]
Message-ID: <20230301235646.2692846-5-jacob.jun.pan@linux.intel.com> (raw)
In-Reply-To: <20230301235646.2692846-1-jacob.jun.pan@linux.intel.com>
We’re not using spinlock-protected IOASID allocation anymore, there’s
no need for GFP_ATOMIC.
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
---
drivers/iommu/iommu-sva.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c
index 297852ae5e7c..8c92a145e15d 100644
--- a/drivers/iommu/iommu-sva.c
+++ b/drivers/iommu/iommu-sva.c
@@ -29,7 +29,7 @@ static int iommu_sva_alloc_pasid(struct mm_struct *mm, ioasid_t min, ioasid_t ma
goto out;
}
- ret = ida_alloc_range(&iommu_global_pasid_ida, min, max, GFP_ATOMIC);
+ ret = ida_alloc_range(&iommu_global_pasid_ida, min, max, GFP_KERNEL);
if (ret < min)
goto out;
mm->pasid = ret;
--
2.25.1
next prev parent reply other threads:[~2023-03-01 23:53 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-01 23:56 [PATCH v4 0/6] Remove VT-d virtual command interface and IOASID Jacob Pan
2023-03-01 23:56 ` [PATCH v4 1/6] iommu/vt-d: Remove virtual command interface Jacob Pan
2023-03-01 23:56 ` [PATCH v4 2/6] iommu/sva: Move PASID helpers to sva code Jacob Pan
2023-03-02 9:03 ` Tian, Kevin
2023-03-02 16:47 ` Jacob Pan
2023-03-02 12:21 ` Baolu Lu
2023-03-02 16:54 ` Jacob Pan
2023-03-01 23:56 ` [PATCH v4 3/6] iommu/sva: Stop using ioasid_set for SVA Jacob Pan
2023-03-02 8:58 ` Tian, Kevin
2023-03-02 16:57 ` Jacob Pan
2023-03-02 13:01 ` Baolu Lu
2023-03-02 17:17 ` Jacob Pan
2023-03-03 2:24 ` Baolu Lu
2023-03-03 9:32 ` Jean-Philippe Brucker
2023-03-03 9:57 ` Baolu Lu
2023-03-03 13:15 ` Jason Gunthorpe
2023-03-07 17:42 ` Jacob Pan
2023-03-08 7:32 ` Tian, Kevin
2023-03-07 22:32 ` Jacob Pan
2023-03-08 18:23 ` Jason Gunthorpe
2023-03-11 17:18 ` Fenghua Yu
2023-03-20 14:11 ` Jason Gunthorpe
2023-03-02 13:52 ` Tina Zhang
2023-03-02 17:23 ` Jacob Pan
2023-03-01 23:56 ` Jacob Pan [this message]
2023-03-02 8:59 ` [PATCH v4 4/6] iommu/sva: Use GFP_KERNEL for pasid allocation Tian, Kevin
2023-03-02 13:04 ` Baolu Lu
2023-03-01 23:56 ` [PATCH v4 5/6] iommu/ioasid: Rename INVALID_IOASID Jacob Pan
2023-03-02 1:36 ` Fenghua Yu
2023-03-02 9:00 ` Tian, Kevin
2023-03-02 13:07 ` Baolu Lu
2023-03-01 23:56 ` [PATCH v4 6/6] iommu: Remove ioasid infrastructure Jacob Pan
2023-03-02 9:01 ` Tian, Kevin
2023-03-02 13:08 ` Baolu Lu
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