Re: [Linaro-mm-sig] [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 02/22/2017 05:01 PM, Chen Feng wrote: > > > On 2017/2/22 3:29, Laura Abbott wrote: >> On 02/20/2017 10:05 PM, Chen Feng wrote: >>> Hi Laura, >>> >>> When we enable kernel v4.4 or newer version on our platform, we meet the >>> issue >>> of flushing cache without reference device. It seems

Re: [Linaro-mm-sig] [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 02/22/2017 05:01 PM, Chen Feng wrote: > > > On 2017/2/22 3:29, Laura Abbott wrote: >> On 02/20/2017 10:05 PM, Chen Feng wrote: >>> Hi Laura, >>> >>> When we enable kernel v4.4 or newer version on our platform, we meet the >>> issue >>> of flushing cache without reference device. It seems

Re: [Linaro-mm-sig] [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 2017/2/22 3:29, Laura Abbott wrote: > On 02/20/2017 10:05 PM, Chen Feng wrote: >> Hi Laura, >> >> When we enable kernel v4.4 or newer version on our platform, we meet the >> issue >> of flushing cache without reference device. It seems that this patch set is >> a solution. I'm curious the

Re: [Linaro-mm-sig] [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 2017/2/22 3:29, Laura Abbott wrote: > On 02/20/2017 10:05 PM, Chen Feng wrote: >> Hi Laura, >> >> When we enable kernel v4.4 or newer version on our platform, we meet the >> issue >> of flushing cache without reference device. It seems that this patch set is >> a solution. I'm curious the

Re: [Linaro-mm-sig] [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 02/20/2017 10:05 PM, Chen Feng wrote: > Hi Laura, > > When we enable kernel v4.4 or newer version on our platform, we meet the issue > of flushing cache without reference device. It seems that this patch set is > a solution. I'm curious the progress of the discussion. Do you have any plan > to

Re: [Linaro-mm-sig] [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 02/20/2017 10:05 PM, Chen Feng wrote: > Hi Laura, > > When we enable kernel v4.4 or newer version on our platform, we meet the issue > of flushing cache without reference device. It seems that this patch set is > a solution. I'm curious the progress of the discussion. Do you have any plan > to

Re: [Linaro-mm-sig] [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

Hi Laura, When we enable kernel v4.4 or newer version on our platform, we meet the issue of flushing cache without reference device. It seems that this patch set is a solution. I'm curious the progress of the discussion. Do you have any plan to fix it in v4.4 and newer kernel verison? On

Re: [Linaro-mm-sig] [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

Hi Laura, When we enable kernel v4.4 or newer version on our platform, we meet the issue of flushing cache without reference device. It seems that this patch set is a solution. I'm curious the progress of the discussion. Do you have any plan to fix it in v4.4 and newer kernel verison? On

Re: [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 09/13/2016 08:14 AM, Will Deacon wrote: On Tue, Sep 13, 2016 at 08:02:20AM -0700, Laura Abbott wrote: On 09/13/2016 02:19 AM, Will Deacon wrote: On Mon, Sep 12, 2016 at 02:32:56PM -0700, Laura Abbott wrote: arm64 may need to guarantee the caches are synced. Implement versions of the

Re: [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 09/13/2016 08:14 AM, Will Deacon wrote: On Tue, Sep 13, 2016 at 08:02:20AM -0700, Laura Abbott wrote: On 09/13/2016 02:19 AM, Will Deacon wrote: On Mon, Sep 12, 2016 at 02:32:56PM -0700, Laura Abbott wrote: arm64 may need to guarantee the caches are synced. Implement versions of the

Re: [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On Tue, Sep 13, 2016 at 08:02:20AM -0700, Laura Abbott wrote: > On 09/13/2016 02:19 AM, Will Deacon wrote: > >On Mon, Sep 12, 2016 at 02:32:56PM -0700, Laura Abbott wrote: > >> > >>arm64 may need to guarantee the caches are synced. Implement versions of > >>the kernel_force_cache API to allow

Re: [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On Tue, Sep 13, 2016 at 08:02:20AM -0700, Laura Abbott wrote: > On 09/13/2016 02:19 AM, Will Deacon wrote: > >On Mon, Sep 12, 2016 at 02:32:56PM -0700, Laura Abbott wrote: > >> > >>arm64 may need to guarantee the caches are synced. Implement versions of > >>the kernel_force_cache API to allow

Re: [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 09/13/2016 02:19 AM, Will Deacon wrote: Hi Laura, On Mon, Sep 12, 2016 at 02:32:56PM -0700, Laura Abbott wrote: arm64 may need to guarantee the caches are synced. Implement versions of the kernel_force_cache API to allow this. Signed-off-by: Laura Abbott --- v3:

Re: [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

On 09/13/2016 02:19 AM, Will Deacon wrote: Hi Laura, On Mon, Sep 12, 2016 at 02:32:56PM -0700, Laura Abbott wrote: arm64 may need to guarantee the caches are synced. Implement versions of the kernel_force_cache API to allow this. Signed-off-by: Laura Abbott --- v3: Switch to calling cache

Re: [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

Hi Laura, On Mon, Sep 12, 2016 at 02:32:56PM -0700, Laura Abbott wrote: > > arm64 may need to guarantee the caches are synced. Implement versions of > the kernel_force_cache API to allow this. > > Signed-off-by: Laura Abbott > --- > v3: Switch to calling cache operations

Re: [RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

Hi Laura, On Mon, Sep 12, 2016 at 02:32:56PM -0700, Laura Abbott wrote: > > arm64 may need to guarantee the caches are synced. Implement versions of > the kernel_force_cache API to allow this. > > Signed-off-by: Laura Abbott > --- > v3: Switch to calling cache operations directly instead of

[RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

arm64 may need to guarantee the caches are synced. Implement versions of the kernel_force_cache API to allow this. Signed-off-by: Laura Abbott --- v3: Switch to calling cache operations directly instead of relying on DMA mapping. --- arch/arm64/include/asm/cacheflush.h | 8

[RFCv3][PATCH 3/5] arm64: Implement ARCH_HAS_FORCE_CACHE

arm64 may need to guarantee the caches are synced. Implement versions of the kernel_force_cache API to allow this. Signed-off-by: Laura Abbott --- v3: Switch to calling cache operations directly instead of relying on DMA mapping. --- arch/arm64/include/asm/cacheflush.h | 8