* [PATCH 0/1] [PULL REQUEST] iommu/vt-d: patches for v5.11
@ 2020-12-01 1:31 Lu Baolu
2020-12-01 1:31 ` [PATCH 1/1] iommu/vt-d: Avoid GFP_ATOMIC where it is not needed Lu Baolu
2020-12-01 15:14 ` [PATCH 0/1] [PULL REQUEST] iommu/vt-d: patches for v5.11 Will Deacon
0 siblings, 2 replies; 3+ messages in thread
From: Lu Baolu @ 2020-12-01 1:31 UTC (permalink / raw)
To: Will Deacon, Joerg Roedel; +Cc: iommu, Christophe JAILLET
Hi Will,
Below patch is ready for v5.11. It includes:
- Avoid GFP_ATOMIC where it is not needed
Can you please consider it for v5.11?
Best regards,
Lu Baolu
Christophe JAILLET (1):
iommu/vt-d: Avoid GFP_ATOMIC where it is not needed
drivers/iommu/intel/iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--
2.25.1
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^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH 1/1] iommu/vt-d: Avoid GFP_ATOMIC where it is not needed
2020-12-01 1:31 [PATCH 0/1] [PULL REQUEST] iommu/vt-d: patches for v5.11 Lu Baolu
@ 2020-12-01 1:31 ` Lu Baolu
2020-12-01 15:14 ` [PATCH 0/1] [PULL REQUEST] iommu/vt-d: patches for v5.11 Will Deacon
1 sibling, 0 replies; 3+ messages in thread
From: Lu Baolu @ 2020-12-01 1:31 UTC (permalink / raw)
To: Will Deacon, Joerg Roedel; +Cc: iommu, Christophe JAILLET
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
There is no reason to use GFP_ATOMIC in a 'suspend' function.
Use GFP_KERNEL instead to give more opportunities to allocate the
requested memory.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/20201030182630.5154-1-christophe.jaillet@wanadoo.fr
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
---
drivers/iommu/intel/iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index d252dcedfd71..d9ba52ba40eb 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -3485,7 +3485,7 @@ static int iommu_suspend(void)
for_each_active_iommu(iommu, drhd) {
iommu->iommu_state = kcalloc(MAX_SR_DMAR_REGS, sizeof(u32),
- GFP_ATOMIC);
+ GFP_KERNEL);
if (!iommu->iommu_state)
goto nomem;
}
--
2.25.1
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 0/1] [PULL REQUEST] iommu/vt-d: patches for v5.11
2020-12-01 1:31 [PATCH 0/1] [PULL REQUEST] iommu/vt-d: patches for v5.11 Lu Baolu
2020-12-01 1:31 ` [PATCH 1/1] iommu/vt-d: Avoid GFP_ATOMIC where it is not needed Lu Baolu
@ 2020-12-01 15:14 ` Will Deacon
1 sibling, 0 replies; 3+ messages in thread
From: Will Deacon @ 2020-12-01 15:14 UTC (permalink / raw)
To: Lu Baolu, Joerg Roedel
Cc: catalin.marinas, iommu, Christophe JAILLET, kernel-team, Will Deacon
On Tue, 1 Dec 2020 09:31:48 +0800, Lu Baolu wrote:
> Below patch is ready for v5.11. It includes:
>
> - Avoid GFP_ATOMIC where it is not needed
>
> Can you please consider it for v5.11?
>
> Best regards,
> Lu Baolu
>
> [...]
Applied to arm64 (for-next/iommu/vt-d), thanks!
[1/1] iommu/vt-d: Avoid GFP_ATOMIC where it is not needed
https://git.kernel.org/arm64/c/33e07157105e
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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