Hi Robin,
On Tue, Sep 25, 2018 at 11:48:17AM +0100, Robin Murphy wrote:
> Will has the cleaned-up version in his tree along with a couple of other
> SMMU fixes, which I assume he's planning to send you a pull for (he's off at
> yet another conference just now so I can't confirm offline).
Okay, le
Hi Joerg,
On 25/09/18 10:01, Joerg Roedel wrote:
Hey Robin,
On Thu, Aug 23, 2018 at 01:14:59PM +0100, Robin Murphy wrote:
Fixes: 2c3d273eabe8 ("iommu/io-pgtable-arm: Support lockless operation")
Signed-off-by: Robin Murphy
I can't find a newer version of this in my inbox, do you plan to sen
Hey Robin,
On Thu, Aug 23, 2018 at 01:14:59PM +0100, Robin Murphy wrote:
> Fixes: 2c3d273eabe8 ("iommu/io-pgtable-arm: Support lockless operation")
> Signed-off-by: Robin Murphy
I can't find a newer version of this in my inbox, do you plan to send
one or has it been addressed differently?
Rega
On 06/09/18 11:05, Will Deacon wrote:
Hi Robin,
On Thu, Aug 23, 2018 at 01:14:59PM +0100, Robin Murphy wrote:
In removing the pagetable-wide lock, we gained the possibility of the
vanishingly unlikely case where we have a race between two concurrent
unmappers splitting the same block entry. The
Hi Robin,
On Thu, Aug 23, 2018 at 01:14:59PM +0100, Robin Murphy wrote:
> In removing the pagetable-wide lock, we gained the possibility of the
> vanishingly unlikely case where we have a race between two concurrent
> unmappers splitting the same block entry. The logic to handle this is
> fairly s
In removing the pagetable-wide lock, we gained the possibility of the
vanishingly unlikely case where we have a race between two concurrent
unmappers splitting the same block entry. The logic to handle this is
fairly straightforward - whoever loses the race frees their partial
next-level table and
