Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-29 Thread Vivek Gautam
On Tue, Jan 29, 2019 at 8:34 PM Ard Biesheuvel wrote: > > (+ Bjorn) > > On Mon, 28 Jan 2019 at 12:27, Vivek Gautam > wrote: > > > > Hi Ard, > > > > On Thu, Jan 24, 2019 at 1:25 PM Ard Biesheuvel > > wrote: > > > > > > On Thu, 24 Jan 2019 at 07:58, Vivek Gautam > > > wrote: > > > > > > > > On

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-29 Thread Ard Biesheuvel
(+ Bjorn) On Mon, 28 Jan 2019 at 12:27, Vivek Gautam wrote: > > Hi Ard, > > On Thu, Jan 24, 2019 at 1:25 PM Ard Biesheuvel > wrote: > > > > On Thu, 24 Jan 2019 at 07:58, Vivek Gautam > > wrote: > > > > > > On Mon, Jan 21, 2019 at 7:55 PM Ard Biesheuvel > > > wrote: > > > > > > > > On Mon, 21

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-28 Thread Vivek Gautam
Hi Ard, On Thu, Jan 24, 2019 at 1:25 PM Ard Biesheuvel wrote: > > On Thu, 24 Jan 2019 at 07:58, Vivek Gautam > wrote: > > > > On Mon, Jan 21, 2019 at 7:55 PM Ard Biesheuvel > > wrote: > > > > > > On Mon, 21 Jan 2019 at 14:56, Robin Murphy wrote: > > > > > > > > On 21/01/2019 13:36, Ard Bieshe

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-23 Thread Ard Biesheuvel
On Thu, 24 Jan 2019 at 07:58, Vivek Gautam wrote: > > On Mon, Jan 21, 2019 at 7:55 PM Ard Biesheuvel > wrote: > > > > On Mon, 21 Jan 2019 at 14:56, Robin Murphy wrote: > > > > > > On 21/01/2019 13:36, Ard Biesheuvel wrote: > > > > On Mon, 21 Jan 2019 at 14:25, Robin Murphy wrote: > > > >> > > >

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-23 Thread Vivek Gautam
On Mon, Jan 21, 2019 at 7:55 PM Ard Biesheuvel wrote: > > On Mon, 21 Jan 2019 at 14:56, Robin Murphy wrote: > > > > On 21/01/2019 13:36, Ard Biesheuvel wrote: > > > On Mon, 21 Jan 2019 at 14:25, Robin Murphy wrote: > > >> > > >> On 21/01/2019 10:50, Ard Biesheuvel wrote: > > >>> On Mon, 21 Jan 2

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-21 Thread Robin Murphy
On 21/01/2019 14:24, Ard Biesheuvel wrote: On Mon, 21 Jan 2019 at 14:56, Robin Murphy wrote: On 21/01/2019 13:36, Ard Biesheuvel wrote: On Mon, 21 Jan 2019 at 14:25, Robin Murphy wrote: On 21/01/2019 10:50, Ard Biesheuvel wrote: On Mon, 21 Jan 2019 at 11:17, Vivek Gautam wrote: Hi, O

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-21 Thread Ard Biesheuvel
On Mon, 21 Jan 2019 at 14:56, Robin Murphy wrote: > > On 21/01/2019 13:36, Ard Biesheuvel wrote: > > On Mon, 21 Jan 2019 at 14:25, Robin Murphy wrote: > >> > >> On 21/01/2019 10:50, Ard Biesheuvel wrote: > >>> On Mon, 21 Jan 2019 at 11:17, Vivek Gautam > >>> wrote: > > Hi, > > >>

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-21 Thread Robin Murphy
On 21/01/2019 13:36, Ard Biesheuvel wrote: On Mon, 21 Jan 2019 at 14:25, Robin Murphy wrote: On 21/01/2019 10:50, Ard Biesheuvel wrote: On Mon, 21 Jan 2019 at 11:17, Vivek Gautam wrote: Hi, On Mon, Jan 21, 2019 at 12:56 PM Ard Biesheuvel wrote: On Mon, 21 Jan 2019 at 06:54, Vivek Gaut

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-21 Thread Ard Biesheuvel
On Mon, 21 Jan 2019 at 14:25, Robin Murphy wrote: > > On 21/01/2019 10:50, Ard Biesheuvel wrote: > > On Mon, 21 Jan 2019 at 11:17, Vivek Gautam > > wrote: > >> > >> Hi, > >> > >> > >> On Mon, Jan 21, 2019 at 12:56 PM Ard Biesheuvel > >> wrote: > >>> > >>> On Mon, 21 Jan 2019 at 06:54, Vivek Gau

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-21 Thread Robin Murphy
On 21/01/2019 10:50, Ard Biesheuvel wrote: On Mon, 21 Jan 2019 at 11:17, Vivek Gautam wrote: Hi, On Mon, Jan 21, 2019 at 12:56 PM Ard Biesheuvel wrote: On Mon, 21 Jan 2019 at 06:54, Vivek Gautam wrote: Qualcomm SoCs have an additional level of cache called as System cache, aka. Last le

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-21 Thread Ard Biesheuvel
On Mon, 21 Jan 2019 at 11:17, Vivek Gautam wrote: > > Hi, > > > On Mon, Jan 21, 2019 at 12:56 PM Ard Biesheuvel > wrote: > > > > On Mon, 21 Jan 2019 at 06:54, Vivek Gautam > > wrote: > > > > > > Qualcomm SoCs have an additional level of cache called as > > > System cache, aka. Last level cache

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-21 Thread Vivek Gautam
Hi, On Mon, Jan 21, 2019 at 12:56 PM Ard Biesheuvel wrote: > > On Mon, 21 Jan 2019 at 06:54, Vivek Gautam > wrote: > > > > Qualcomm SoCs have an additional level of cache called as > > System cache, aka. Last level cache (LLC). This cache sits right > > before the DDR, and is tightly coupled w

Re: [PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-20 Thread Ard Biesheuvel
On Mon, 21 Jan 2019 at 06:54, Vivek Gautam wrote: > > Qualcomm SoCs have an additional level of cache called as > System cache, aka. Last level cache (LLC). This cache sits right > before the DDR, and is tightly coupled with the memory controller. > The clients using this cache request their slice

[PATCH 0/3] iommu/arm-smmu: Add support to use Last level cache

2019-01-20 Thread Vivek Gautam
Qualcomm SoCs have an additional level of cache called as System cache, aka. Last level cache (LLC). This cache sits right before the DDR, and is tightly coupled with the memory controller. The clients using this cache request their slices from this system cache, make it active, and can then start