Re: [PATCH] dma-buf: heaps: Set allocation limit for system heap

On Mon, Aug 2, 2021 at 7:18 PM John Stultz wrote: > > On Thu, Jul 22, 2021 at 12:07 PM Hridya Valsaraju wrote: > > This patch limits the size of total memory that can be requested in a > > single allocation from the system heap. This would prevent a > > buggy/malicio

Re: [PATCH 3/3] dma-buf: nuke SW_SYNC debugfs files

On Thu, Jul 29, 2021 at 9:52 PM John Stultz wrote: > > On Thu, Jul 29, 2021 at 12:24 AM Daniel Vetter wrote: > > > > On Thu, Jul 29, 2021 at 09:03:30AM +0200, Christian König wrote: > > > As we now knew controlling dma_fence synchronization from userspace is > > > extremely dangerous and can not

[PATCH] dma-buf: heaps: Set allocation limit for system heap

the size of the device's total RAM which is the same as what was set by the deprecated ION system heap. Signed-off-by: Hridya Valsaraju --- drivers/dma-buf/heaps/system_heap.c | 6 ++ 1 file changed, 6 insertions(+) diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps

[PATCH] dma-buf: Delete the DMA-BUF attachment sysfs statistics

the DMA-BUF attachment statistics from sysfs. Fixes: bdb8d06dfefd (dmabuf: Add the capability to expose DMA-BUF stats in sysfs) Signed-off-by: Hridya Valsaraju --- Hello all, One of our partners recently reported a perf regression in a driver which was being caused due to the overhead of setup

Re: [PATCH v6] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

On Tue, Jun 15, 2021 at 2:49 AM Daniel Vetter wrote: > > On Thu, Jun 03, 2021 at 02:47:51PM -0700, Hridya Valsaraju wrote: > > Overview > > > > The patch adds DMA-BUF statistics to /sys/kernel/dmabuf/buffers. It > > allows statistics to be enabled for eac

Re: [Linaro-mm-sig] [PATCH v3] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

On Wed, Feb 3, 2021 at 2:25 AM Daniel Vetter wrote: > > On Mon, Feb 01, 2021 at 01:02:30PM -0800, Hridya Valsaraju wrote: > > On Mon, Feb 1, 2021 at 10:37 AM Daniel Vetter wrote: > > > > > > On Thu, Jan 28, 2021 at 1:03 PM Sumit Semwal > > > wrote: >

Re: [Linaro-mm-sig] [PATCH v3] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

i Hridya, > > > > > > > > On Wed, 27 Jan 2021 at 17:36, Greg KH > > > > wrote: > > > >> On Tue, Jan 26, 2021 at 12:42:36PM -0800, Hridya Valsaraju wrote: > > > >>> This patch allows statistics to be enabled for each DMA-BUF i

Re: [Linaro-mm-sig] [PATCH v3] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

On Thu, Jan 28, 2021 at 6:35 AM Sumit Semwal wrote: > > Hi Simon, > > On Thu, 28 Jan 2021 at 20:01, Simon Ser wrote: > > > > On Thursday, January 28th, 2021 at 1:03 PM, Sumit Semwal > > wrote: > > > > > Since he didn't comment over Hridya's last clarification about the > > > tracepoints to

[PATCH v3] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

-review.googlesource.com/c/platform/system/memory/libmeminfo/+/1549734 Signed-off-by: Hridya Valsaraju Reported-by: kernel test robot --- Changes in v3: Fix a warning reported by the kernel test robot. Changes in v2: -Move statistics to /sys/kernel/dmabuf/buffers in oder to allow addition of other DMA-BUF

Re: [Linaro-mm-sig] [PATCH v2] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

On Wed, Jan 20, 2021 at 4:22 AM Christian König wrote: > > Am 19.01.21 um 23:57 schrieb Hridya Valsaraju: > > This patch allows statistics to be enabled for each DMA-BUF in > > sysfs by enabling the config CONFIG_DMABUF_SYSFS_STATS. > > > > The following stats wi

Re: [Linaro-mm-sig] [PATCH v2] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

On Wed, Jan 20, 2021 at 4:42 AM Daniel Vetter wrote: > > On Wed, Jan 20, 2021 at 1:22 PM Christian König > wrote: > > > > Am 19.01.21 um 23:57 schrieb Hridya Valsaraju: > > > This patch allows statistics to be enabled for each DMA-BUF in >

[PATCH v2] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

-review.googlesource.com/c/platform/system/memory/libmeminfo/+/1549734 Signed-off-by: Hridya Valsaraju --- Changes in v2: -Move statistics to /sys/kernel/dmabuf/buffers in oder to allow addition of other DMA-BUF-related sysfs stats in future. Based on feedback from Daniel Vetter. -Each attachment has its own

Re: [PATCH] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

Thank you Christian! On Fri, Dec 11, 2020 at 12:03 AM Christian König wrote: > > Am 10.12.20 um 23:41 schrieb Hridya Valsaraju: > > Thanks again for the reviews! > > > > On Thu, Dec 10, 2020 at 3:03 AM Christian König > > wrote: > >> Am 10.12.20 um 11:5

Re: [PATCH] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

Thank you for the reviews Greg, Christian and Daniel! On Thu, Dec 10, 2020 at 1:59 AM Christian König wrote: > > In general a good idea, but I have a few concern/comments here. > > Am 10.12.20 um 05:43 schrieb Hridya Valsaraju: > > This patch allows statistics to be enable

Re: [PATCH] dmabuf: Add the capability to expose DMA-BUF stats in sysfs

n Thu, Dec 10, 2020 at 10:58:50AM +0100, Christian König wrote: > >>>> In general a good idea, but I have a few concern/comments here. > >>>> > >>>> Am 10.12.20 um 05:43 schrieb Hridya Valsaraju: > >>>>> This patch allows statistics

Re: [PATCH] staging: ion: remove from the tree

he Android kernel developers) who are both annoyed at > > > > > the current situation. Because of this problem, just drop the > > > > > in-kernel > > > > > copy of the ion code now, as it's not used, and is only causing > > > > > problems > &g