Am 28.05.21 um 17:10 schrieb Thomas Hellström:
On 5/28/21 4:19 PM, Christian König wrote:
Am 27.05.21 um 16:47 schrieb Thomas Hellström:
Reading out of write-combining mapped memory is typically very slow
since the CPU doesn't prefetch. However some archs have special
instructions to do this.
On 5/28/21 4:19 PM, Christian König wrote:
Am 27.05.21 um 16:47 schrieb Thomas Hellström:
Reading out of write-combining mapped memory is typically very slow
since the CPU doesn't prefetch. However some archs have special
instructions to do this.
So add a best-effort memcpy_from_wc taking dma
Am 27.05.21 um 16:47 schrieb Thomas Hellström:
Reading out of write-combining mapped memory is typically very slow
since the CPU doesn't prefetch. However some archs have special
instructions to do this.
So add a best-effort memcpy_from_wc taking dma-buf-map pointer
arguments that attempts to us
Reading out of write-combining mapped memory is typically very slow
since the CPU doesn't prefetch. However some archs have special
instructions to do this.
So add a best-effort memcpy_from_wc taking dma-buf-map pointer
arguments that attempts to use a fast prefetching memcpy and
otherwise falls b
