Open-source News

Linux 5.7 Changes So Far: New exFAT Driver, Tiger Lake Graphics By Default, Apple Fast Charge, Etc

Phoronix - Mon, 04/06/2020 - 23:00
We are now one week through the two week long Linux 5.7 kernel merge window where new/improved functionality is introduced. Here is a look at the changes so far for Linux 5.7...

C-SKY Architecture Gets Fix For Its Own Speculative Execution Bug In Linux 5.7

Phoronix - Mon, 04/06/2020 - 21:47
C-SKY is a a Chinese 32-bit CPU architecture intended for low-power devices from media boxes / DVRs to printers and other consumer electronics. C-SKY has also worked its way into a ~$6 development board. With its updates for the Linux 5.7 kernel are various additions to this maturing architecture support along with a speculative execution fix...

Initial Benchmarks With Intel oneAPI Level Zero Performance

Phoronix - Mon, 04/06/2020 - 20:38
Last week Intel released an initial set of micro-benchmarks for their oneAPI Level Zero and with L0 support being plumbed into their open-source Intel Compute Runtime, this weekend I started toying around with some Level Zero benchmarks on a variety of Intel processors.

L1d Cache Flush On Context Switch Moves Forward For Linux In Light Of Vulnerabilities

Phoronix - Mon, 04/06/2020 - 20:00
A new patch series sent out just under one month ago was providing opt-in L1 data cache flushing on context switching. That work has now been revived again and now with documentation added it's clear that this work is being done in response to a recent CVE being made public...

Linux Exec Should Be Less Deadlock Prone In Future Kernels

Phoronix - Mon, 04/06/2020 - 19:07
Ongoing work around Linux's exec() code should make it less deadlock prone in future kernel versions...

/dev/random Seeing Performance Work For Linux 5.7

Phoronix - Mon, 04/06/2020 - 18:45
The Linux 5.7 kernel will bring random performance improvements as in /dev/random...

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