linux-kernel - Re: powerpc/kernel: Avoid preemption check during iommu_range

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Message-Id: <3xQvGn0rbmz9tWP@ozlabs.org>
Date:   Mon,  7 Aug 2017 20:41:52 +1000 (AEST)
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     victora <victora@...ux.vnet.ibm.com>, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, aneesh.kumar@...ux.vnet.ibm.com,
        khandual@...ux.vnet.ibm.com
Cc:     victora@...ibm.com, mauricfo@...ux.vnet.ibm.com,
        victora@...ux.vnet.ibm.com
Subject: Re: powerpc/kernel: Avoid preemption check during iommu_range_alloc

On Thu, 2017-07-20 at 17:26:06 UTC, victora wrote:
> Replaced __this_cpu_read function call by raw_cpu_read in
> iommu_range_alloc function.
> Preemption doesn't need to be disabled since any CPU can safely
> use IOMMU pool.
> 
> Signed-off-by: Victor Aoqui <victora@...ux.vnet.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/75f327c6b75715f3a090daeb33e050

cheers